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Hassan AF, Awwad NS, Ibrahium HA, El-Kott AF. Biochar/Delonix regia seed gum/chitosan composite as efficient adsorbent for the elimination of phenol from aqueous medium. Int J Biol Macromol 2024; 273:132771. [PMID: 38823752 DOI: 10.1016/j.ijbiomac.2024.132771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/09/2024] [Accepted: 05/28/2024] [Indexed: 06/03/2024]
Abstract
In this study, biochar (BC) from Delonix regia pods peel and gum from Delonix regia seed (SG) were prepared, and also biochar/chitosan composite (BCS) and biochar/Delonix regia seed gum/chitosan composite (BCGS) were fabricated for the efficient adsorption of phenol. Various characterization tools such as SEM, TEM, ATR-FTIR, TGA, zeta potential, and textural investigation were studied to examine the features of the synthetized adsorbents, confirming their positive construction. It was fully studied how necessary factors, comprising pH, dose of adsorbent, contact shaking time, initial phenol concentration, and temperature influenced adsorption behavior. An obvious rise of the adsorption capacity from 60.16 to 165.20 mg/g was achieved by the modification of biochar with Delonix regia seed gum and chitosan under ideal circumstances of 2 h contact duration, pH 7, 15 °C, and a dose of 2.0 g/L. The phenol adsorption was well applied by Langmuir, Temkin, Dubinin-Radushkevich, and Sips isotherms, in addition to nonlinear pseudo-second-order kinetic model. Furthermore, the physisorption, endothermic, and spontaneous process was illustrated by thermodynamic investigation. Additionally, the fabricated adsorbents could be effectively used and regenerated without main losses of only 7.5, 4.6, and 4.0 % for BC, BCS, and BCGS, respectively in the removal percentage after seven cycles of application.
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Affiliation(s)
- Asaad F Hassan
- Department of Chemistry, Faculty of Science, Damanhour University, Damanhour 22511, Egypt.
| | - Nasser S Awwad
- Chemistry Department, Faculty of Science, King Khalid University, PO Box 9004, Abha, 61413, Saudi Arabia
| | - Hala A Ibrahium
- Biology Department, Faculty of Science, King Khalid University, PO Box 9004, Abha, 61413, Saudi Arabia
| | - Attalla F El-Kott
- Biology Department, Faculty of Science, King Khalid University, PO Box 9004, Abha, 61413, Saudi Arabia
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2
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Murtaza G, Ahmed Z, Usman M, Iqbal R, Zulfiqar F, Tariq A, Ditta A. Physicochemical properties and performance of non-woody derived biochars for the sustainable removal of aquatic pollutants: A systematic review. CHEMOSPHERE 2024; 359:142368. [PMID: 38763397 DOI: 10.1016/j.chemosphere.2024.142368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 10/14/2023] [Accepted: 05/16/2024] [Indexed: 05/21/2024]
Abstract
Biochar is a carbon-rich material produced from the partial combustion of different biomass residues. It can be used as a promising material for adsorbing pollutants from soil and water and promoting environmental sustainability. Extensive research has been conducted on biochars prepared from different feedstocks used for pollutant removal. However, a comprehensive review of biochar derived from non-woody feedstocks (NWF) and its physiochemical attributes, adsorption capacities, and performance in removing heavy metals, antibiotics, and organic pollutants from water systems needs to be included. This review revealed that the biochars derived from NWF and their adsorption efficiency varied greatly according to pyrolysis temperatures. However, biochars (NWF) pyrolyzed at higher temperatures (400-800 °C) manifested excellent physiochemical and structural attributes as well as significant removal effectiveness against antibiotics, heavy metals, and organic compounds from contaminated water. This review further highlighted why biochars prepared from NWF are most valuable/beneficial for water treatment. What preparatory conditions (pyrolysis temperature, residence time, heating rate, and gas flow rate) are necessary to design a desirable biochar containing superior physiochemical and structural properties, and adsorption efficiency for aquatic pollutants? The findings of this review will provide new research directions in the field of water decontamination through the application of NWF-derived adsorbents.
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Affiliation(s)
- Ghulam Murtaza
- Faculty of Environmental Science and Engineering, Kunming University of Science & Technology, Kunming, 650500, China
| | - Zeeshan Ahmed
- Xinjiang Institute of Ecology & Geography, Chinese Academy of Sciences, Urumqi, Xinjiang, 830011, China; Xinjiang Institute of Ecology & Geography, Cele National Station of Observation and Research for Desert-Grassland Ecosystems, Chinese Academy of Sciences, Xinjiang, 848300, China; College of Life Science, Shenyang Normal University, Shenyang, 110034, China.
| | - Muhammad Usman
- School of Agriculture and Biology, Shanghai Jiao Tong University, 800 Dongchuan Road, Minghang District, Shanghai, 200240, China
| | - Rashid Iqbal
- Department of Agronomy, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Pakistan
| | - Faisal Zulfiqar
- Department of Horticultural Sciences, Faculty of Agriculture and Environment, The Islamia University of Bahawalpur, Pakistan
| | - Akash Tariq
- Xinjiang Institute of Ecology & Geography, Chinese Academy of Sciences, Urumqi, Xinjiang, 830011, China; Xinjiang Institute of Ecology & Geography, Cele National Station of Observation and Research for Desert-Grassland Ecosystems, Chinese Academy of Sciences, Xinjiang, 848300, China
| | - Allah Ditta
- Department of Environmental Sciences, Shaheed Benazir Bhutto University, Sheringal, Dir (Upper), 18000, Khyber Pakhtunkhwa, Pakistan; School of Biological Sciences, The University of Western Australia, Perth, WA, 6009, Australia.
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3
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Jari Y, Roche N, Chaker Necibi M, Zahra Falil F, Tayibi S, Lyamlouli K, Chehbouni A, Gourich B. Porous activated carbons derived from waste Moroccan pine cones for high-performance adsorption of bisphenol A from water. Heliyon 2024; 10:e29645. [PMID: 38699018 PMCID: PMC11064093 DOI: 10.1016/j.heliyon.2024.e29645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 03/16/2024] [Accepted: 04/11/2024] [Indexed: 05/05/2024] Open
Abstract
Porous-activated carbons (ACs) derived from Moroccan pine cones (PC) were synthesised by a two step-chemical activation/carbonisation method using phosphoric acid (PC-H) and zinc chloride (PC-Z) as activating agents and used for the adsorption of bisphenol A (BPA) from water. Several techniques (TGA/DTA, FT-IR, XRD, SEM and BET) were used to determine the surface area and pore characterisation and variations during the preparation of the adsorbents. The modification significantly increased the surface area of both ACs, resulting in values of 1369.03 m2 g-1 and 1018.86 m2 g-1 for PC-H and PC-Z, respectively. Subsequent adsorption tests were carried out, varying parameters including adsorbent dosage, pH, initial BPA concentration, and contact time. Therefore, the highest adsorption capacity was observed when the BPA molecules were in their neutral form. High pH values were found to be unfavourable for the removal of bisphenol A from water. The results showed that BPA adsorption kinetics and isotherms followed pseudo-second-order and Langmuir models. Thermodynamic studies indicated that the adsorption was spontaneous and endothermic. Besides, the regeneration of spent adsorbents demonstrated their reusability. The adsorption mechanisms can be attributed to physical adsorption, hydrogen bonds, electrostatic forces, hydrophobic interactions, and π-π intermolecular forces.
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Affiliation(s)
- Yassine Jari
- International Water Research Institute (IWRI), Mohammed VI Polytechnic University, Ben Guerir, 43150, Morocco
| | - Nicolas Roche
- International Water Research Institute (IWRI), Mohammed VI Polytechnic University, Ben Guerir, 43150, Morocco
- Aix-Marseille University, CNRS, IRD, INRAE, Coll France, CEREGE, CEDEX, 13454, Aix-en-Provence, France
| | - Mohamed Chaker Necibi
- International Water Research Institute (IWRI), Mohammed VI Polytechnic University, Ben Guerir, 43150, Morocco
| | - Fatima Zahra Falil
- Laboratory of Process and Environmental Engineering, Higher School of Technology, Hassan II University of Casablanca, Morocco
| | - Saida Tayibi
- AgroBioSciences (AgBS), College of Sustainable Agriculture and Environmental Science (CSAES), Mohammed VI Polytechnic University (UM6P), Benguerir, 43150, Morocco
| | - Karim Lyamlouli
- AgroBioSciences (AgBS), College of Sustainable Agriculture and Environmental Science (CSAES), Mohammed VI Polytechnic University (UM6P), Benguerir, 43150, Morocco
| | - Abdelghani Chehbouni
- International Water Research Institute (IWRI), Mohammed VI Polytechnic University, Ben Guerir, 43150, Morocco
- Centre D’études Spatiales de La Biosphère (Cesbio), Institut de Recherche Pour le Développement (IRD), Unité Mixte de Recherche (UMR), 31401, Toulouse, France
| | - Bouchaib Gourich
- International Water Research Institute (IWRI), Mohammed VI Polytechnic University, Ben Guerir, 43150, Morocco
- Laboratory of Process and Environmental Engineering, Higher School of Technology, Hassan II University of Casablanca, Morocco
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Ogunniyi S, Emenike EC, Iwuozor KO, Ighalo JO, Ezzat AO, Adewoye TL, Egbemhenghe A, Okoro HK, Adeniyi AG. Removal of phenol from wastewater using Luffa cylindrica fibers in a packed bed column: Optimization, isotherm and kinetic studies. Heliyon 2024; 10:e26443. [PMID: 38420395 PMCID: PMC10900429 DOI: 10.1016/j.heliyon.2024.e26443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 02/11/2024] [Accepted: 02/13/2024] [Indexed: 03/02/2024] Open
Abstract
This research entails a comparison of the effectiveness of unmodified Luffa cylindrica fiber in a fully packed bed (RLCF) and NaOH-modified Luffa cylindrica fiber in another fully packed bed (MLCF) in the context of phenol removal from wastewater. Experimental data obtained through batch adsorption experiments were utilized to determine the most suitable model. It was observed that as the initial concentration of phenol increased from 100 to 500 mg/l, the maximum percentage removal increased from 63.5 to 83.1% for RLCF-PB and from 89.9 to 99.5% for MLCF-PB. The correlation coefficient (R2) was calculated for the Langmuir, Freundlich, Temkin, Harkin-Jura, Halsey, and Flory-Huggins models for both materials. The analysis revealed that the pseudo-second-order model was the most suitable, followed by the Elovich model, with the pseudo-first-order model being the least suitable. The Weber-Morris diffusion model suggested that pore diffusion was the rate-determining step, and diffusion at the border layer was determined to be endothermic, feasible, heterogeneous, and spontaneous. In summary, this study indicates that MLCF-PB is a promising material for the efficient removal of phenol from aqueous solutions.
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Affiliation(s)
- Samuel Ogunniyi
- Department of Chemical Engineering, University of Ilorin, P. M. B. 1515, Ilorin, Nigeria
| | - Ebuka Chizitere Emenike
- Department of Pure and Industrial Chemistry, Nnamdi Azikiwe University, P. M. B. 5025, Awka, Nigeria
| | - Kingsley O. Iwuozor
- Department of Pure and Industrial Chemistry, Nnamdi Azikiwe University, P. M. B. 5025, Awka, Nigeria
| | - Joshua O. Ighalo
- Department of Chemical Engineering, Nnamdi Azikiwe University, P. M. B. 5025, Awka, Nigeria
- Department of Chemical Engineering, Kansas State University, Manhattan, KS, USA
| | - Abdelrahman O. Ezzat
- Department of Chemistry, College of Sciences, King Saud University, Riyadh, 11451, Saudi Arabia
| | | | - Abel Egbemhenghe
- Department of Chemistry and Biochemistry, College of Art and Science, Texas Tech University, USA
- Department of Chemistry, Lagos State University, Ojo, Lagos, Nigeria
| | - Hussein K. Okoro
- Environmental-Analytical Research Group, Department of Industrial Chemistry, Faculty of Physical Sciences, University of Ilorin, P. M. B. 1515, Ilorin, Nigeria
| | - Adewale George Adeniyi
- Department of Chemical Engineering, University of Ilorin, P. M. B. 1515, Ilorin, Nigeria
- Department of Chemical Engineering, College of Engineering and Technology, Landmark University, Omu-aran, Nigeria
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5
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Lingamdinne LP, Angaru GKR, Pal CA, Koduru JR, Karri RR, Mubarak NM, Chang YY. Insights into kinetics, thermodynamics, and mechanisms of chemically activated sunflower stem biochar for removal of phenol and bisphenol-A from wastewater. Sci Rep 2024; 14:4267. [PMID: 38383598 PMCID: PMC10881974 DOI: 10.1038/s41598-024-54907-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 02/18/2024] [Indexed: 02/23/2024] Open
Abstract
This study synthesized a highly efficient KOH-treated sunflower stem activated carbon (KOH-SSAC) using a two-step pyrolysis process and chemical activation using KOH. The resulting material exhibited exceptional properties, such as a high specific surface area (452 m2/g) and excellent adsorption capacities for phenol (333.03 mg/g) and bisphenol A (BPA) (365.81 mg/g). The adsorption process was spontaneous and exothermic, benefiting from the synergistic effects of hydrogen bonding, electrostatic attraction, and stacking interactions. Comparative analysis also showed that KOH-SSAC performed approximately twice as well as sunflower stem biochar (SSB), indicating its potential for water treatment and pollutant removal applications. The study suggests the exploration of optimization strategies to further enhance the efficiency of KOH-SSAC in large-scale scenarios. These findings contribute to the development of improved materials for efficient water treatment and pollution control.
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Affiliation(s)
| | | | | | - Janardhan Reddy Koduru
- Department of Environmental Engineering, Kwangwoon University, Seoul, 01897, Republic of Korea.
| | - Rama Rao Karri
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei.
| | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Jalandhar, Punjab, India
| | - Yoon-Young Chang
- Department of Environmental Engineering, Kwangwoon University, Seoul, 01897, Republic of Korea.
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6
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Zhou Y, Zhang X, Deng J, Li C, Sun K, Luo X, Yuan S. Adsorption and mechanism study for phenol removal by 10% CO 2 activated bio-char after acid or alkali pretreatment. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 348:119317. [PMID: 37857218 DOI: 10.1016/j.jenvman.2023.119317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 09/26/2023] [Accepted: 10/06/2023] [Indexed: 10/21/2023]
Abstract
The development of an efficient bio-char used to remove phenol from wastewater holds great importance for environmental protection. In this work, wheat straw bio-char (BC) was acid-washed by HF and activated at 900 °C with 10% CO2 to obtain bio-char (B-Ⅲ-0.1D900). Adsorption experiments revealed that B-Ⅲ-0.1D900 achieved a remarkable phenol removal efficiency of 90% within 40 min. Despite its relatively low specific surface area of 492.60 m2/g, it exhibited a high maximum adsorption capacity of 471.16 mg/g. Furthermore, B-Ⅲ-0.1D900 demonstrated a good regeneration capacity for at least three cycles (90.71%, 87.54%, 84.36%). It has been discovered that HF washing, which removes AAEM and exposes unsaturated functional groups, constitutes one of the essential prerequisites for enhancing CO2 activation efficiency at high temperatures. After 10% CO2 activation, the mesoporous structure exhibited substantial development, facilitating enhanced phenol infiltration into the pores when compared to untreated BC. The increased branching of the bio-char culminated in a more complete aromatic system, which enhances the π-π forces between the bio-char and the phenol. The presence of tertiary alcohol structure enhances the hydrogen bonding forces, thereby promoting intermolecular multilayer adsorption of phenol. With the combination of various forces, B-Ⅲ-0.1D900 has a good removal capacity for phenol. This work provides valuable insights into the adsorption of organic pollutants using activated bio-char.
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Affiliation(s)
- Yujie Zhou
- School of Chemical Science and Engineering, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, National Center for Experimental Chemistry and Chemical Engineering Education Demonstration, Yunnan Provincial Key Laboratory of Carbon Neutral and Green Low-Carbon Technology, Yunnan University, No. 2, Cuihu North Road, 650091 Kunming, Yunnan, China
| | - Xiaoguo Zhang
- School of Chemical Science and Engineering, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, National Center for Experimental Chemistry and Chemical Engineering Education Demonstration, Yunnan Provincial Key Laboratory of Carbon Neutral and Green Low-Carbon Technology, Yunnan University, No. 2, Cuihu North Road, 650091 Kunming, Yunnan, China
| | - Jin Deng
- School of Chemical Science and Engineering, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, National Center for Experimental Chemistry and Chemical Engineering Education Demonstration, Yunnan Provincial Key Laboratory of Carbon Neutral and Green Low-Carbon Technology, Yunnan University, No. 2, Cuihu North Road, 650091 Kunming, Yunnan, China
| | - Chun Li
- School of Chemical Science and Engineering, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, National Center for Experimental Chemistry and Chemical Engineering Education Demonstration, Yunnan Provincial Key Laboratory of Carbon Neutral and Green Low-Carbon Technology, Yunnan University, No. 2, Cuihu North Road, 650091 Kunming, Yunnan, China
| | - Keyuan Sun
- School of Chemical Science and Engineering, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, National Center for Experimental Chemistry and Chemical Engineering Education Demonstration, Yunnan Provincial Key Laboratory of Carbon Neutral and Green Low-Carbon Technology, Yunnan University, No. 2, Cuihu North Road, 650091 Kunming, Yunnan, China
| | - Xiaodong Luo
- School of Chemical Science and Engineering, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, National Center for Experimental Chemistry and Chemical Engineering Education Demonstration, Yunnan Provincial Key Laboratory of Carbon Neutral and Green Low-Carbon Technology, Yunnan University, No. 2, Cuihu North Road, 650091 Kunming, Yunnan, China
| | - Shenfu Yuan
- School of Chemical Science and Engineering, Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, National Center for Experimental Chemistry and Chemical Engineering Education Demonstration, Yunnan Provincial Key Laboratory of Carbon Neutral and Green Low-Carbon Technology, Yunnan University, No. 2, Cuihu North Road, 650091 Kunming, Yunnan, China.
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7
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El-Gamal EH, Rashad M, Saleh ME, Zaki S, Eltarahony M. Potential bioremediation of lead and phenol by sunflower seed husk and rice straw-based biochar hybridized with bacterial consortium: a kinetic study. Sci Rep 2023; 13:21901. [PMID: 38081934 PMCID: PMC10713633 DOI: 10.1038/s41598-023-49036-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 12/03/2023] [Indexed: 12/18/2023] Open
Abstract
Environmental pollution is a global phenomenon and troublesome fact that poses a grave risk to all living entities. Via coupling carbonaceous feedstocks with outstanding microbial activity, kinetic experiments were established using the consortium of Proteus mirabilis and Raoultella planticola, biochar-derived sunflower seed husk (SHB) and rice straw (RSB), and their composites, which investigated at 30 °C (150 rpm) to eliminate 700 mg L-1 lead (120 h) and phenol (168 h) from synthetic wastewater. The derived biochars physicochemical properties of were studied. According to adsorption capacity (qe), consortium-SHB composites and consortium-RSB composites removed lead completely (70 mg g-1) within 48 h and 66 h, respectively. Besides, phenol was remediated entirely after 42 h and 48 h by both composite systems (69.90 mg g-1), respectively, comparing with bacterial consortium only or parent SHB and RSB. Moreover, four kinetic models were studied to describe the bioremediation process. Fractional power and Elovich models could be recommended for describing the adsorption kinetics for lead and phenol removal by the studied biomaterials with high correlation coefficient (R2 ≥ 0.91 for Pb2+ and ≥ 0.93 for phenol) and lower residual root mean square error (RMSE) and chi-square (X2). Overall, bacterial consortium-biochar composites exhibited greater remediation of lead and phenol than the sum of each single bacterial consortium and biochar systems; reflecting synergistic interaction of adsorptive capability of biochar and metabolic performance of bacterial consortium, as denoted by scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX). The current study addressed the successful design of employing functional remediating consortium immobilized on waste biomass-derived biochar as a conducive alternative eco-sorbent and economic platform to detoxify organic and inorganic pollutants.
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Affiliation(s)
- Eman H El-Gamal
- Land and Water Technologies Department, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, 21934, Alexandria, Egypt.
| | - Mohamed Rashad
- Land and Water Technologies Department, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, 21934, Alexandria, Egypt
| | - Maher E Saleh
- Department of Soils and Water Sciences, Faculty of Agriculture, Alexandria University, El-Shatby, 21545, Alexandria, Egypt
| | - Sahar Zaki
- Environmental Biotechnology Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, 21934, Alexandria, Egypt
| | - Marwa Eltarahony
- Environmental Biotechnology Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, 21934, Alexandria, Egypt.
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Pei T, Shi F, Hou D, Yang F, Lu Y, Liu C, Lin X, Lu Y, Zheng Z, Zheng Y. Enhanced adsorption of phenol from aqueous solution by KOH combined Fe-Zn bimetallic oxide co-pyrolysis biochar: Fabrication, performance, and mechanism. BIORESOURCE TECHNOLOGY 2023; 388:129746. [PMID: 37689119 DOI: 10.1016/j.biortech.2023.129746] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/14/2023] [Accepted: 09/06/2023] [Indexed: 09/11/2023]
Abstract
In this study, impregnation combined with KOH activation with different mixing methods was used to prepare magnetic biochar. The effects of synthetic method on biochar physicochemical properties and adsorption performance were explored. The results showed that treatment of a Fe-Zn oxide with KOH activation provided excellent adsorption properties with adsorption capacity of 458.90 mg/g due to well-developed microporous structure and rich-in O-containing functional groups as well as exposed oxidizing functional groups (Fe2O3 and FeOOH). Langmuir-Freundlich and pseudo-second-order models accurately fit phenol adsorption. Neutral conditions (pH = 6) and lower ionic strengths were beneficial to phenol removal. Additionally, the predominant adsorption processes were physisorption and chemisorption. Correlation analyses and characterization data confirmed that pore filling, π-π interactions and surface complexation were the dominant driving forces for phenol adsorption. This research provides an environmentally friendly method for utilizing agricultural wastes for the removal of a variety of pollutions from aquatic environment.
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Affiliation(s)
- Tao Pei
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming 650224, PR China
| | - Feng Shi
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming 650224, PR China
| | - Defa Hou
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming 650224, PR China
| | - Fulin Yang
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming 650224, PR China
| | - Yi Lu
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming 650224, PR China
| | - Can Liu
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming 650224, PR China
| | - Xu Lin
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming 650224, PR China
| | - Yanling Lu
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming 650224, PR China
| | - Zhifeng Zheng
- Xiamen Key Laboratory for High-valued Conversion Technology of Agricultural Biomass (Xiamen University), Fujian Provincial Engineering and Research Center of Clean and High-valued Technologies for Biomass, College of Energy, Xiamen University, Xiamen 361102, PR China
| | - Yunwu Zheng
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming 650224, PR China.
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9
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Sharma AK, Ghodke PK, Goyal N, Bobde P, Kwon EE, Lin KYA, Chen WH. A critical review on biochar production from pine wastes, upgradation techniques, environmental sustainability, and challenges. BIORESOURCE TECHNOLOGY 2023; 387:129632. [PMID: 37562491 DOI: 10.1016/j.biortech.2023.129632] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/30/2023] [Accepted: 08/03/2023] [Indexed: 08/12/2023]
Abstract
Pine wastes, including pine needles, cones, and wood, are abundantly produced as an agroforestry by-product globally and have shown tremendous potential for biochar production. Various thermochemical conversion technologies have exhibited promising results in converting pine wastes to biochar, displaying impressive performance. Hence, this review paper aims to investigate the possibilities and recent technological advancements for synthesizing biochar from pine waste. Furthermore, it explores techniques for enhancing the properties of biochar and its integrated applications in various fields, such as soil and water remediation, carbon sequestration, battery capacitor synthesis, and bio-coal production. Finally, the paper sheds light on the limitations of current strategies, emphasizing the need for further research and study to address the challenges in pine waste-based biochar synthesis. By promoting sustainable and effective utilization of pine wastes, this review contributes to environmental conservation and resource management.
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Affiliation(s)
- Amit Kumar Sharma
- Department of Chemistry, Applied Sciences Cluster, School of Advance Engineering, and Centre for Alternate Energy Research (CAER), R&D, University of Petroleum & Energy Studies (UPES), Energy Acres Building, Bidholi, Dehradun 248007, Uttarakhand, India
| | - Praveen Kumar Ghodke
- Department of Chemical Engineering, National Institute of Technology Calicut, Kozhikode 673601, Kerala, India
| | - Nishu Goyal
- School of Health Sciences, University of Petroleum & Energy Studies (UPES), School of Engineering, Energy Acres Building, Bidholi, Dehradun 248007, Uttarakhand, India
| | - Prakash Bobde
- R & D, University of Petroleum and Energy Studies, P.O. Bidholi Via-Prem Nagar, Dehradun 248007, India
| | - Eilhann E Kwon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Kun-Yi Andrew Lin
- Department of Environmental Engineering & Innovation and Development Center of Sustainable Agriculture, National Chung Hsing University, 250 Kuo-Kuang Road, Taichung, Taiwan; Institute of Analytical and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan
| | - Wei-Hsin Chen
- Department of Aeronautics and Astronautics, National Cheng Kung University, Tainan 701, Taiwan; Research Center for Smart Sustainable Circular Economy, Tunghai University, Taichung 407, Taiwan; Department of Mechanical Engineering, National Chin-Yi University of Technology, Taichung 411, Taiwan.
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Al-Huqail AA. Effect of jasmonic acid on the phytoremediation of dinitrophenol from wastewater by Solanum nigrum L. and Atriplex lentiformis (Torr.) S. Watson. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:80144-80153. [PMID: 37296250 DOI: 10.1007/s11356-023-28148-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 06/02/2023] [Indexed: 06/12/2023]
Abstract
Phytoremediation is one of the best methods for cleaning up natural resources like water because plants are eco-friendly and safe for the ecosystem. Hyperaccumulators, e.g., Solanum nigrum L. and Atriplex lentiformis (Torr.) S. Watson, have been used to remove toxic metals from soil and water through phytoremediation techniques, but it is unknown if they can remove hazardous chemicals such as dinitrophenol (DNP), from wastewater. A hydroponic experiment was conducted to study the efficiency of S. nigrum and A. lentiformis in removing DNP from wastewater. Jasmonic acid (JAC) was applied to the tested plants in two doses, 0.25 and 0.50 mmol, in an effort to better understand how it affects phytoremediation effectiveness. The growth of S. nigrum and A. lentiformis improved significantly (p < 0.05) by the foliar application of JAC. The applications of JAC1 and JAC2 significantly (p < 0.05) increased nutrient uptake and chlorophyll concentrations in S. nigrum and A. lentiformis plants. The foliar spraying of S. nigrum and A. lentiformis with JAC significantly (p < 0.05) increased the antioxidant enzymes activity, i.e., SOD and POD. The levels of osmoregulatory substances like proline and carbohydrates significantly (p < 0.05) increased after JAC was sprayed on S. nigrum and A. lentiformis plants. In the case of S. nigrum, the efficiency of DNP removal varied between 53 and 69%, with an average of 63%, while in the case of A. lentiformis, it varied between 47 and 62%, with an average of 56%. The removal efficiency of DNP reached 67 and 69% when S. nigrum was sprayed with JAC1 and JAC2. When JAC1 and JAC2 were sprayed on A. lentiformis, DNP removal efficiency rose from 47 to 60 and from 47 to 62%, respectively. S. nigrum and A. lentiformis plants can be grown normally and survive in dinitrophenol-contaminated water without showing any toxic symptoms. S. nigrum and A. lentiformis have a powerful antioxidant system and the ability to produce vital compounds that alleviate the stress caused by DNP toxicity. The findings are crucial for cleaning up polluted water and protecting the ecosystem's health from dangerous pollutants.
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Affiliation(s)
- Arwa Abdulkreem Al-Huqail
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, 11671, Riyadh, Saudi Arabia.
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Liu C, Fu C, Li T, Zhang P, Xia Y, Wu Y, Lan Q, Li Y, Zhang Y, Gui J. CO2 capture using biochar derived from conditioned sludge via pyrolysis. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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12
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Pei T, Shi F, Liu C, Lu Y, Lin X, Hou D, Yang S, Li J, Zheng Z, Zheng Y. Bamboo-derived nitrogen-doping magnetic porous hydrochar coactivated by K 2FeO 4 and CaCO 3 for phenol removal: Governing factors and mechanisms. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 331:121871. [PMID: 37225081 DOI: 10.1016/j.envpol.2023.121871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 05/09/2023] [Accepted: 05/21/2023] [Indexed: 05/26/2023]
Abstract
In this study, a novel nitrogen-doped magnetic Fe-Ca codoped biochar for phenol removal was successfully fabricated via a hydrothermal and coactivation pyrolysis method. A series of adsorption process parameters (K2FeO4 to CaCO3 ratio, initial phenol concentration, pH value, adsorption time, adsorbent dosage and ion strength) and adsorption models (kinetic models, isotherms and thermodynamic models) were determined using batch experiments and various analysis techniques (XRD, BET, SEM-EDX, Raman spectroscopy, VSM, FTIR and XPS) to investigate the adsorption mechanism and metal-nitrogen-carbon interaction. The biochar with a ratio of Biochar: K2FeO4: CaCO3 = 3:1:1 exhibited superior properties for adsorption of phenol and had a maximum adsorption capacity of 211.73 mg/g at 298 K, C0 = 200 mg/L, pH = 6.0 and t = 480 min. These excellent adsorption properties were due to superior physicomechanical properties (a large specific surface area (610.53 m2/g) and pore volume (0.3950 cm3/g), a well-developed pore structure (hierarchical), a high graphitization degree (ID/IG = 2.02), the presence of O/N-rich functional groups and Fe-Ox,Ca-Ox, N-doping, as well as synergistic activation by K2FeO4 and CaCO3). The Freundlich and pseudo-second-order models effectively fit the adsorption data, indicating multilayer physicochemical adsorption. Pore filling and π-π interactions were the predominant mechanisms for phenol removal, and H-bonding interactions, Lewis-acid-base interactions, and metal complexation played an important role in enhancing phenol removal. A simple, feasible approach with application potential to organic contaminant/pollutant removal was developed in this study.
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Affiliation(s)
- Tao Pei
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR China
| | - Feng Shi
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR China
| | - Can Liu
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR China
| | - Yi Lu
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR China
| | - Xu Lin
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR China
| | - Defa Hou
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR China
| | - Shunxiong Yang
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR China
| | - Jirong Li
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR China
| | - Zhifeng Zheng
- Xiamen Key Laboratory for High-valued Conversion Technology of Agricultural Biomass (Xiamen University), Fujian Provincial Engineering and Research Center of Clean and High-valued Technologies for Biomass, College of Energy, Xiamen University, Xiamen, 361102, PR China
| | - Yunwu Zheng
- National Joint Engineering Research Center for Highly-Efficient Utilization Technology of Forest Biomass Resources, Southwest Forestry University, College of Materials & Chemical Engineering, Southwest Forestry University, Kunming, 650224, PR China.
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Cai Y, Jiang W, Liu D, Chang C. Adsorption of sulfanilamides using biochar derived from Suaeda salsa: adsorption kinetics, isotherm, thermodynamics, and mechanism. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-27228-2. [PMID: 37147545 DOI: 10.1007/s11356-023-27228-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 04/21/2023] [Indexed: 05/07/2023]
Abstract
Suaeda biochar (SBC) was prepared by muffle furnace with Suaeda salsa at 600, 700, 800, and 900 ℃. The physical and chemical properties of biochar at different pyrolysis temperatures and the adsorption mechanism of sulfanilamide (SM) were studied by SEM-EDS, BET, FTIR, XRD, and XPS analysis. The adsorption kinetics and adsorption isotherms were fitted. The results showed that the kinetics was in line with the quasi-second-order adsorption model and belonged to chemisorption. The adsorption isotherm conformed to Langmuir adsorption isotherm model and belonged to monolayer adsorption. The adsorption of SM on SBC was spontaneous and exothermic. The adsorption mechanism may be pore filling, hydrogen bonding, and π-π electron donor acceptor (EDA) interaction.
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Affiliation(s)
- Yanrong Cai
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, 121013, China
- Institute of Ocean Research, Bohai University, Jinzhou, 121013, China
| | - Weili Jiang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, 121013, China
| | - Di Liu
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, 121013, China
| | - Chun Chang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, 121013, China.
- College of Environment and Chemical Engineering, Dalian University, Dalian, 116622, China.
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El-Qelish M, Elgarahy AM, Ibrahim HS, El-Kholly HK, Gad M, M. Ali ME. Multi-functional core-shell pomegranate peel amended alginate beads for phenol decontamination and bio-hydrogen production: Synthesis, characterization, and kinetics investigation. Biochem Eng J 2023. [DOI: 10.1016/j.bej.2023.108932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023]
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15
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Belaidi S, Sangare S, Remache W, Belattar S, Seraghni N, Sehili T. Enhanced degradation of 2,6-dimethylphenol by photocatalytic systems using TiO 2 assisted with H 2O 2 and Fe(III). ENVIRONMENTAL TECHNOLOGY 2023; 44:1464-1477. [PMID: 34779714 DOI: 10.1080/09593330.2021.2005686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 10/19/2021] [Indexed: 06/13/2023]
Abstract
In this study, several photocatalytic degradation systems were investigated using 2,6-dimethylphenol (2,6-DMP) as a model compound. Highly reactive species are formed in four systems, Fe(III), TiO2, TiO2/H2O2 and TiO2/Fe(III) where complete degradation of 2,6-DMP was achieved under UV radiation. Photodegradation of the 2,6-DMP has been described by pseudo-first order kinetic model in the presence of TiO2. In UV/TiO2-H2O2 system, the addition of H2O2 in the TiO2 suspension improves the degradation rate of 2,6-DMP from 70% to 100% for a H2O2 concentration of 10-2 M in 3 h. In homogeneous system, HO• and Fe2+ can be generated by the irradiation of Fe(III) solution. The speciation of Fe(III) obtained from Visual MINTEQ soft showed the formation of several species and Fe(OH)2+ were the most predominant and active species in a pH range of 2.5-3.5. At a low concentration of TiO2 (30 mg L-1), an important positive effect due to the iron addition has been shown in TiO2/Fe(III) system, the entrance of metallic ions at different concentrations enhanced the photocatalytic activity of TiO2. A degradation percentage of 90% was achieved in the UV/TiO2-Fe(III) system under optimal conditions against 57% in UV/TiO2 system. Strong synergistic effect was observed in the UV/TiO2-H2O2 binary system. On the basis of literature, a pathway for 2,6-DMP degradation was proposed. The mechanism of degradation of the 2,6-DMP did not involve only HO• radicals, an interaction of Fe(III) in the excited state with 2,6-DMP occurred giving rise to the formation of 2,6-dimethylphenoxyl radical.
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Affiliation(s)
- S Belaidi
- Faculty of Exact Sciences, Laboratory of Sciences and Technology of Environment, University of Constantine 1, Constantine, Algeria
| | - S Sangare
- Faculty of Exact Sciences, Laboratory of Sciences and Technology of Environment, University of Constantine 1, Constantine, Algeria
| | - W Remache
- Faculty of Exact Sciences, Laboratory of Sciences and Technology of Environment, University of Constantine 1, Constantine, Algeria
| | - S Belattar
- Faculty of Exact Sciences, Laboratory of Sciences and Technology of Environment, University of Constantine 1, Constantine, Algeria
| | - N Seraghni
- Faculty of Exact Sciences, Laboratory of Sciences and Technology of Environment, University of Constantine 1, Constantine, Algeria
| | - T Sehili
- Faculty of Exact Sciences, Laboratory of Sciences and Technology of Environment, University of Constantine 1, Constantine, Algeria
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Alobaidi DS, Alwared AI. Role of immobilised Chlorophyta algae in form of calcium alginate beads for the removal of phenol: isotherm, kinetic and thermodynamic study. Heliyon 2023; 9:e14851. [PMID: 37025864 PMCID: PMC10070660 DOI: 10.1016/j.heliyon.2023.e14851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 03/14/2023] [Accepted: 03/20/2023] [Indexed: 03/31/2023] Open
Abstract
In this work, sodium alginate-immobilised Chlorophyta algae were evaluated for phenol uptake. The algae/alginate bead (AAB) characteristics were analysed by means of BET-BJH, FTIR, and SEM-EDX methods, while the adsorption performance of AABs with respect to phenol removal was investigated using batch studies. The parameters found to affect the biosorption capacity of AABs included pH, contact time, initial phenol concentration, adsorbent dosage, stirring rate, particle size, and temperature, with the optimal operating variables identified as a pH of 6, an initial phenol concentration of 50 mg/L, AAB dosage of 5 g/L, and a 200 rpm stirring rate. The adsorption process in such cases reached equilibrium within 120 min, demonstrating a maximum phenol elimination capacity of 9.56 mg/g at 30 °C. The isotherm and kinetic models used to determine this were evaluated using the Chi-square test (X2), the coefficient of determination (R2), and the value of equilibrium capacity, with results that revealed that the Freundlich isotherm provides the best fit for the relevant equilibrium data, as shown by its high R2 value (0.96) and low X2 value (1.16135); the theoretical data produced by that model were thus closer to the experimental data than that from the Langmuir model. Kinetic analysis showed that the phenol adsorption followed a pseudo-second-order kinetic model. The thermodynamic parameters were thus explored, revealing that the phenol biosorption process is based on spontaneous physisorption with an exothermic reaction due to negative (ΔG°) and (ΔH°) values. The low cost, natural origin, biodegradability, and eco-friendliness of algae/alginate bead sorbents also make them ideally suited for phenol removal in aqueous solutions.
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17
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Doyo AN, Kumar R, Barakat MA. Facile Synthesis of the Polyaniline@Waste Cellulosic Nanocomposite for the Efficient Decontamination of Copper(II) and Phenol from Wastewater. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1014. [PMID: 36985909 PMCID: PMC10059074 DOI: 10.3390/nano13061014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/08/2023] [Accepted: 03/09/2023] [Indexed: 06/18/2023]
Abstract
The existence of heavy metals and organic pollutants in wastewater is a threat to the ecosystem and a challenge for researchers to remove using common technology. Herein, a facile one-step in situ oxidative polymerization synthesis method has been used to fabricate polyaniline@waste cellulosic nanocomposite adsornt, polyaniline-embedded waste tissue paper (PANI@WTP) to remove copper(II) and phenol from the aqueous solution. The structural and surface properties of the synthesized materials were examined by XRD, FTIR, TEM, and a zeta potential analyzer. The scavenging of the Cu(II) and phenol onto the prepared materials was investigated as a function of interaction time, pollutant concentration, and solution pH. Advanced kinetics and isotherms modeling is used to explore the Cu(II) ion and phenol adsorption mechanisms. The synthesized PANI@WTP adsorbent showed a high intake capacity for Cu(II) than phenol, with the maximum calculated adsorption capacity of 605.20 and 501.23 mg g-1, respectively. The Langmuir equilibrium isotherm model is well-fitted for Cu(II) and phenol adsorption onto the PANI@WTP. The superior scavenging capability of the PANI@WTP for Cu(II) and phenol could be explained based on the host-guest interaction forces and large active sites. Moreover, the efficiency of the PANI@WTP for Cu(II) and phenol scavenging was excellent even after the five cycles of regeneration.
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Hu Q, Lan R, He L, Liu H, Pei X. A critical review of adsorption isotherm models for aqueous contaminants: Curve characteristics, site energy distribution and common controversies. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 329:117104. [PMID: 36603322 DOI: 10.1016/j.jenvman.2022.117104] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 12/15/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
The quantitative description of the equilibrium data by the isotherm models is an indispensable link in adsorption studies. The previous review papers focus on the underlying assumptions, fitting methods, error functions and practical applications of the isotherm models, usually ignoring their curve characteristics, selection criteria and common controversies. The main contents of this review include: (i) effect of the model parameters on the isotherm curves; (ii) determination of the site energy distribution; (iii) selection criteria of the isotherm models; and (iv) elimination of some common controversies. It is of great significance to reveal the curve characteristics for selecting a proper isotherm model. The site energy distribution is conducive to understanding the physicochemical properties of the adsorbent surface. The complete isotherm is recommended to be correlated with the experimental data. The model parameter qmax should be cautiously adopted for comparison of the adsorbent performance. The residual plot can be used to diagnose the fitting quality of the isotherm models further. This review also addresses some common mistakes and controversies and thereby avoids their propagation in future publications.
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Affiliation(s)
- Qili Hu
- State Environmental Protection Key Laboratory of Synergetic Control and Joint Remediation for Soil & Water Pollution, Chengdu University of Technology, Chengdu, 610059, China; College of Ecology and E nvironment, Chengdu University of Technology, Chengdu, 610059, China.
| | - Rui Lan
- State Environmental Protection Key Laboratory of Synergetic Control and Joint Remediation for Soil & Water Pollution, Chengdu University of Technology, Chengdu, 610059, China; College of Ecology and E nvironment, Chengdu University of Technology, Chengdu, 610059, China
| | - Liru He
- State Environmental Protection Key Laboratory of Synergetic Control and Joint Remediation for Soil & Water Pollution, Chengdu University of Technology, Chengdu, 610059, China; College of Ecology and E nvironment, Chengdu University of Technology, Chengdu, 610059, China
| | - Hengyuan Liu
- College of Chemistry and Life Sciences, Chifeng University, Chifeng, 024000, China
| | - Xiangjun Pei
- State Environmental Protection Key Laboratory of Synergetic Control and Joint Remediation for Soil & Water Pollution, Chengdu University of Technology, Chengdu, 610059, China; College of Ecology and E nvironment, Chengdu University of Technology, Chengdu, 610059, China; State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu, 610059, China.
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Li M, Mu J, Liu Y, Wang H, Wang Y, Song H. Removal of phenol by lignin-based activated carbon as an efficient adsorbent for adsorption of phenolic wastewater. RESEARCH ON CHEMICAL INTERMEDIATES 2023. [DOI: 10.1007/s11164-023-04958-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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20
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Allahkarami E, Dehghan Monfared A, Silva LFO, Dotto GL. Application of Pb-Fe spinel-activated carbon for phenol removal from aqueous solutions: fixed-bed adsorption studies. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:23870-23886. [PMID: 36331730 DOI: 10.1007/s11356-022-23891-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 10/25/2022] [Indexed: 06/16/2023]
Abstract
Fixed-bed studies for phenol uptake from water were carried out using a novel Pb-Fe spinel-activated carbon adsorbent. A characterization phase including TGA, FTIR, SEM, and BET analyses was performed for the developed active carbon. In column studies, the influence of initial phenol concentration, column bed height, and the solution flow rate was investigated at natural pH. Adsorption of phenol onto Pb-Fe spinel-activated carbon composite and pristine activated carbon was analyzed in the form of breakthrough curves. Under optimum conditions, the maximum adsorption capacities for the magnetic active carbon composite and pristine activated carbon were found to be 113.95 and 102.61 mg/g, respectively. Results indicated that the adsorption capacity of adsorbent for all examined conditions was higher than that obtained for unmodified activated carbon because the composite contains additional metal hydroxides compared with the pristine activated carbon. The Yoon and Nelson, Thomas, and instantaneous local equilibrium (ILE) models were used to explain column data collected under different operating conditions. Finally, the results of the continuous adsorption process were explained successfully using the Yoon-Nelson and Thomas models. Thus, the phenol adsorption on Pb-Fe@MAC was a feasible operation to be performed in fixed-bed mode.
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Affiliation(s)
- Esmaeil Allahkarami
- Department of Petroleum Engineering, Faculty of Petroleum, Gas and Petrochemical Engineering, Persian Gulf University, Shahid Mahini Blvd, Bushehr, 75169-13817, Iran
- Persian Gulf Star Oil Company, Bandar Abbas, Iran
| | - Abolfazl Dehghan Monfared
- Department of Petroleum Engineering, Faculty of Petroleum, Gas and Petrochemical Engineering, Persian Gulf University, Shahid Mahini Blvd, Bushehr, 75169-13817, Iran.
| | - Luis Felipe Oliveira Silva
- Department of Civil and Environmental, Universidad de La Costa, CUC, Calle 58 # 55-66, Barranquilla, Atlántico, Colombia
| | - Guilherme Luiz Dotto
- Chemical Engineering Department, Federal University of Santa Maria, UFSM, Roraima Avenue 1000, Santa Maria, RS, 97105900, Brazil
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Rajamehala M, Kumara Pandian AM, Rajasimman M, Gopalakrishnan B. Porous nanocomposites for sorptive elimination of ibuprofen from synthetic wastewater and its molecular docking studies. ENVIRONMENTAL RESEARCH 2023; 218:114984. [PMID: 36462695 DOI: 10.1016/j.envres.2022.114984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/15/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
Pharmaceuticals are a new developing pollutant that is threatening aquatic ecosystems and impacting numerous species in the ecosystem. The aim of this study is the green synthesis of TiO2-Fe2O3-Chitosan nanocomposites in conjunction with Moringa olifera leaves extract and its applicability for ibuprofen removal. Various characterization studies were performed for the synthesized nanocomposites. Box-Behnken design (BBD) is employed to optimize pH, agitation speed, and composite dosage. Equilibrium results show that adsorption process matches with Langmuir isotherm, demonstrating adsorption on the nanocomposite's homogenous surface and follows pseudo-first-order kinetics. Using the BBD, pH, adsorbent dose, and agitation speed were examined as adsorption parameters. Ibuprofen elimination was demonstrated to be most successful at a pH of 7.3, using 0.05 g of nanocomposites at a rotational speed of 200 rpm. Thermodynamic parameters for ibuprofen sorption were carried out and the ΔH and ΔS was found to be 76.23 & 0.233. Molecular Docking was performed to find the interaction between the pollutant and the nanocomposite. UV-vis spectra confirm the 243 nm absorption band corresponding to the nanocomposite's surface plasmon resonances. Fourier transform infrared spectroscopy spectra relate this band to a group of nanocomposites. The findings of this work emphasize the importance of TiO2-Fe2O3-Chitosan nanocomposites for removing ibuprofen from wastewater.
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Affiliation(s)
- M Rajamehala
- Department of Biotechnology, Vivekanandha College of Engineering for Women, Tiruchengode, Namakkal, 637205, Tamilnadu, India.
| | - A Muthu Kumara Pandian
- Department of Biotechnology, Vivekanandha College of Engineering for Women, Tiruchengode, Namakkal, 637205, Tamilnadu, India
| | - M Rajasimman
- Department of Chemical Engineering, Annamalai University, Annamalai Nagar, 608002, India
| | - B Gopalakrishnan
- Department of Chemical Engineering, Annamalai University, Annamalai Nagar, 608002, India
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Activated carbon adsorbent derived from waste biomass, “Croton caudatus” for efficient removal of 2-chlorophenol from aqueous solution: Kinetics, isotherm, thermodynamics and DFT simulation. Chem Eng Res Des 2023. [DOI: 10.1016/j.cherd.2023.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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23
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Gürkan EH, Akyol RB, Çoruh S. Kinetic, isotherm modeling analyses of the adsorption of phenol on activated carbon/alginate composites. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 25:832-839. [PMID: 36028953 DOI: 10.1080/15226514.2022.2112936] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
The present study aimed to synthesize calcium alginate-commercial activated carbon composite beads (CA-AC) and calcium alginate-walnut shell biochar composite beads (CA-WSB) using activated carbon (AC), walnut shell biochar (WSB), and to apply its efficiency in phenol removal. The synthesized samples were characterized by energy-dispersive X-ray spectroscopy (EDS), X-ray fluorescence (XRF) spectrometry.The Brunauer, Emmett, and Teller (BET) method was used to obtain information about the samples' surface area and pore size. The kinetic model of phenol fitted well to the pseudo-second-order kinetic model. The isotherm model of phenol fitted well to the Langmuir isotherm model compared with other models. The maximum adsorption capacity was 76.92, 0.419, 8.130 1.375 mg/g for AC, WSB, CA-AC, CA-WSB.
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Affiliation(s)
- Elif Hatice Gürkan
- Department of Chemical Engineering, Faculty of Engineering, Ondokuz Mayıs University, Samsun, Turkey
| | - Rasim Berk Akyol
- Department of Environmental Engineering, Faculty of Engineering, Ondokuz Mayıs University, Samsun, Turkey
| | - Semra Çoruh
- Department of Environmental Engineering, Faculty of Engineering, Ondokuz Mayıs University, Samsun, Turkey
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Zhang X, Shu X, Zhou X, Zhou C, Yang P, Diao M, Hu H, Gan X, Zhao C, Fan C. Magnetic reed biochar materials as adsorbents for aqueous copper and phenol removal. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:3659-3667. [PMID: 35953746 DOI: 10.1007/s11356-022-22474-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 08/06/2022] [Indexed: 06/15/2023]
Abstract
Organics and heavy metals are common pollutants in many wastewaters and water bodies. Adsorption processes by magnetic materials can rapidly remove these pollutants from water and effectively recycle adsorbent. In this study, magnetic analyzer, X-ray diffraction, Flourier transform infrared spectroscopy, and granulometry were used to characterize the synthesized magnetic reed biochar materials (ZnFe2O4/biochar). Influences of adsorption time, pH, temperature, initial solution concentration, and adsorption equilibrium concentration on adsorption performances were investigated for Cu2+ and phenol adsorption by ZnFe2O4/biochar. Adsorption kinetic and isotherm models were used to describe the adsorption processes. Adsorption of phenol and Cu2+ by ZnFe2O4/biochar reached saturation within 45 min and increased slightly with the increase of temperature from 15 to 45 °C. Adsorption of Cu2+ increased with the increase of pH, while the adsorption of phenol peaked at pH = 6. The adsorption processes fit the pseudo-second order kinetics model, and both conformed to the Langmuir model. The fitting results show that the maximum single-component adsorption capacity of phenol and Cu2+ by ZnFe2O4/biochar is 63.29 and 12.20 mg/g, and the maximum bi-component adsorption capacity reaches 40.16 and 9.48 mg/g, respectively. All the findings demonstrate that ZnFe2O4/biochar has good adsorption performance for phenol and Cu2+.
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Affiliation(s)
- Xu Zhang
- Dongguan Environmental Protection Industry Promotion Centre, Sheng'an Building, Middle Section of Hongwei 2nd Road, Dongguan, 523070, People's Republic of China
| | - Xin Shu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, People's Republic of China
| | - Xiaolin Zhou
- National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, Key Laboratory of Zhejiang Province for Water Environment and Marine Biological Resources Protection, College of Life and Environmental Science, Wenzhou University, Wenzhou, 325000, People's Republic of China
| | - Cheng Zhou
- National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, Key Laboratory of Zhejiang Province for Water Environment and Marine Biological Resources Protection, College of Life and Environmental Science, Wenzhou University, Wenzhou, 325000, People's Republic of China
| | - Pu Yang
- National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, Key Laboratory of Zhejiang Province for Water Environment and Marine Biological Resources Protection, College of Life and Environmental Science, Wenzhou University, Wenzhou, 325000, People's Republic of China
| | - Muhe Diao
- Department of Geoscience, University of Calgary, Calgary, AB, T2N 1N4, Canada
| | - Haiyang Hu
- Faculty of Physics, University of Munich, 80539, Munich, Germany
| | - Xinyu Gan
- Institute of Bio- and Geosciences / Plant Sciences (IBG-2), Forschungszentrum Jülich GmbH, 52425, Jülich, Germany
| | - Chen Zhao
- Department of Applied Computing, Michigan Technological University, Houghton, MI, 49931, USA
| | - Chunzhen Fan
- National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, Key Laboratory of Zhejiang Province for Water Environment and Marine Biological Resources Protection, College of Life and Environmental Science, Wenzhou University, Wenzhou, 325000, People's Republic of China.
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Rajamehala M, Pandian AM, Rajasimman M, Gopalakrishnan B. Synthesis of metal-based functional nanocomposite material and its application for the elimination of paracetamol from synthetic wastewater. CHEMOSPHERE 2022; 308:136530. [PMID: 36150496 DOI: 10.1016/j.chemosphere.2022.136530] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/10/2022] [Accepted: 09/15/2022] [Indexed: 05/28/2023]
Abstract
Non-steroidal anti-inflammatory medicines (NSAIDs) like paracetamol and other substances released into the water system pose serious environmental issues. The current work examines the synthesis of a nanocomposite combined with Moringa olifera aqueous leaf extract as a reducing and stabilizing agent for the green synthesis of nanocomposites. Fourier Transform Infrared Spectroscopy (FTIR), X-ray Diffraction (XRD), Thermogravimetric analysis (TGA), Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM) were used to investigate metal based functional nanocomposites. The absorption band centered at a wavelength of 243 nm, which corresponds to the surface plasmon resonances of the produced nanocomposite, is confirmed in UV-vis spectra. The distinctive band at this particular wavelength is attributed to a particular group of nanocomposites based on the result from the Fourier transform infrared spectroscopy spectra. The spherical with irregularly shaped aggregates was confirmed by transmission electron microscopy, and the average size of nanoparticles was found to be 1 nm. For the elimination of pharmaceutical contaminants such as paracetamol from aqueous solutions, the adsorptive characteristics of nanocomposites were examined. Temperature, pH, adsorbent dosage, and agitation speed were investigated as adsorption parameters using Box-Behnken Design (BBD). The best removal outcomes were found under the following circumstances: temperature at 303.15 K, pH = 7.5, 0.05 g of nanocomposites at 200 rpm. Based on the adsorption study, the kinetics was found to be pseudo first order (R2 > 0.9481) which was validated and fitted by Langmuir isotherm (R2 > 0.9973). The adsorption study confirms that it was adsorbed onto the synthesized nanocomposite and found to be present on the homogeneous surface.
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Affiliation(s)
- M Rajamehala
- Department of Biotechnology, Vivekanandha College of Engineering for Women, Tiruchengode, Namakkal, 637205, India.
| | - A Muthukumara Pandian
- Department of Biotechnology, Vivekanandha College of Engineering for Women, Tiruchengode, Namakkal, 637205, India
| | - M Rajasimman
- Department of Chemical Engineering, Annamalai University, Annamalai Nagar, 608002, Tamilnadu, India
| | - B Gopalakrishnan
- Department of Chemical Engineering, Annamalai University, Annamalai Nagar, 608002, Tamilnadu, India
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Nunes IDS, Schnorr C, Perondi D, Godinho M, Diel JC, Machado LMM, Dalla Nora FB, Silva LFO, Dotto GL. Valorization of Different Fractions from Butiá Pomace by Pyrolysis: H 2 Generation and Use of the Biochars for CO 2 Capture. Molecules 2022; 27:7515. [PMID: 36364342 PMCID: PMC9658530 DOI: 10.3390/molecules27217515] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/27/2022] [Accepted: 10/29/2022] [Indexed: 11/12/2023] Open
Abstract
This work valorizes butiá pomace (Butia capitata) using pyrolysis to prepare CO2 adsorbents. Different fractions of the pomace, like fibers, endocarps, almonds, and deoiled almonds, were characterized and later pyrolyzed at 700 °C. Gas, bio-oil, and biochar fractions were collected and characterized. The results revealed that biochar, bio-oil, and gas yields depended on the type of pomace fraction (fibers, endocarps, almonds, and deoiled almonds). The higher biochar yield was obtained by endocarps (31.9%wt.). Furthermore, the gas fraction generated at 700 °C presented an H2 content higher than 80%vol regardless of the butiá fraction used as raw material. The biochars presented specific surface areas reaching 220.4 m2 g-1. Additionally, the endocarp-derived biochar presented a CO2 adsorption capacity of 66.43 mg g-1 at 25 °C and 1 bar, showing that this material could be an effective adsorbent to capture this greenhouse gas. Moreover, this capacity was maintained for 5 cycles. Biochars produced from butiá precursors without activation resulted in a higher surface area and better performance than some activated carbons reported in the literature. The results highlighted that pyrolysis could provide a green solution for butiá agro-industrial wastes, generating H2 and an adsorbent for CO2.
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Affiliation(s)
- Isaac dos S. Nunes
- Research Group on Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Roraima Avenue, 1000-7, Santa Maria 97105–900, Brazil
| | - Carlos Schnorr
- Department of Natural and Exact Sciences, Universidad de la Costa, CUC, Calle 58 # 55–66, Barranquilla 080002, Colombia
| | - Daniele Perondi
- Postgraduate Program in Engineering Processes and Technology, University of Caxias do Sul—UCS, Caxias do Sul 95070-560, Brazil
| | - Marcelo Godinho
- Postgraduate Program in Engineering Processes and Technology, University of Caxias do Sul—UCS, Caxias do Sul 95070-560, Brazil
| | - Julia C. Diel
- Research Group on Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Roraima Avenue, 1000-7, Santa Maria 97105–900, Brazil
| | - Lauren M. M. Machado
- Research Group on Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Roraima Avenue, 1000-7, Santa Maria 97105–900, Brazil
| | - Fabíola B. Dalla Nora
- Research Group on Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Roraima Avenue, 1000-7, Santa Maria 97105–900, Brazil
| | - Luis F. O. Silva
- Department of Natural and Exact Sciences, Universidad de la Costa, CUC, Calle 58 # 55–66, Barranquilla 080002, Colombia
| | - Guilherme L. Dotto
- Research Group on Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Roraima Avenue, 1000-7, Santa Maria 97105–900, Brazil
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Mun H, Ri C, Liu Q, Tang J. Characteristics of ball-milled PET plastic char for the adsorption of different types of aromatic organic pollutants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:77685-77697. [PMID: 35680752 DOI: 10.1007/s11356-022-21143-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 05/24/2022] [Indexed: 06/15/2023]
Abstract
Ball-milled plastic char (BMPC) was manufactured by ball-milling of native plastic char (PC) that was synthesized via slow pyrolysis of polyethylene terephthalate (PET) water bottle waste, and its adsorption characteristics of aqueous phenanthrene (PHE), phenol, and 2,4,6-trichlorophenol (2,4,6-TCP) and its possible mechanisms were investigated. With the increase of PC pyrolysis temperature, the specific surface area of BMPC increased obviously, forming larger functional groups compared to PC. Boehm titration showed that total acidic groups of BMPC decreased significantly with the increase of pyrolysis temperature. The sorption kinetics of three adsorbates was adequately simulated by pseudo-second-order model (R2 > 0.99). Langmuir model fitted well the adsorption isotherms of PHE and phenol, while Freundlich model simulated the adsorption isotherm of 2,4,6-TCP better. The adsorption amount of PHE, phenol, and 2,4,6-TCP increased significantly as the pyrolysis temperature increased. The maximum BMPC adsorption capacity reached 21.9 mg·g-1 (for PHE), 106 mg·g-1 (for phenol), and 303 mg·g-1 (for 2,4,6-TCP) at 25 °C in aqueous solution. FTIR analysis suggested that surface sorption-based π-π interaction was a dominant mechanism of PHE adsorption; meanwhile, H-bonding between O-containing groups on BMPC and hydroxyl groups of adsorbates was responsible for phenol and 2,4,6-TCP removal. This paper shows that BMPC can be used as adsorbent for treating aromatic compounds in aqueous environment and has an economic worth of application.
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Affiliation(s)
- Hyokchol Mun
- College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China
- Institute of Natural Energy, State Academy of Sciences, Pyongyang, North Korea
| | - Cholnam Ri
- College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China
- Institute of Microbiology, State Academy of Sciences, Pyongyang, North Korea
| | - Qinglong Liu
- College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China
- Key Laboratory of Pollution Process and Environmental Criteria (Ministry of Education), Tianjin, 300350, China
- Tianjin Engineering Center of Environmental Diagnosis and Contamination Remediation, Tianjin, 300350, China
| | - Jingchun Tang
- College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China.
- Key Laboratory of Pollution Process and Environmental Criteria (Ministry of Education), Tianjin, 300350, China.
- Tianjin Engineering Center of Environmental Diagnosis and Contamination Remediation, Tianjin, 300350, China.
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Mishra P, Singh K, Pandey G. A Comparative Study of Phenol Removal by
Pisum‐sativum
Peels Biochars Derived at Different Pyrolysis Temperatures: Isotherm, Kinetic and Thermodynamic Modelling. ChemistrySelect 2022. [DOI: 10.1002/slct.202202856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Prashant Mishra
- Department of Chemistry Babasaheb Bhimrao Ambedkar University (A Central University), Vidya Vihar Raebareli Road Lucknow 226025
| | - Kaman Singh
- Department of Chemistry Babasaheb Bhimrao Ambedkar University (A Central University), Vidya Vihar Raebareli Road Lucknow 226025
| | - Gajanan Pandey
- Department of Chemistry Babasaheb Bhimrao Ambedkar University (A Central University), Vidya Vihar Raebareli Road Lucknow 226025
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29
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Preparation of Iron Salt-Modified Sludge Biochar and Its Uptake Behavior for Phosphate. Processes (Basel) 2022. [DOI: 10.3390/pr10102122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Residual sludge is a significant waste resource, and the preparation of biochar achieves sludge disposal. Biochar has a high uptake capacity for phosphate. To prepare a sludge biochar adsorbent for phosphate, sludge was chemically and anaerobically treated in the presence of iron salts and pyrolyzed. We investigated the effects of the pyrolysis temperature and iron salt on the phosphate uptake capacity, finding that the pretreatment of the sludge with iron salts removed intrinsic phosphate, thus improving the uptake ability. The optimal adsorbent, denoted SB-B-Fe, was prepared by pyrolysis at 700 °C and subsequently modified with a 20 g/L iron-containing solution, yielding a phosphate uptake capacity of 0.5 mg/g. Further, the performance of SB-B-Fe remains high at pH 5–9 and is less affected by interfering anions. The sorption kinetics are consistent with the pseudo-second-order kinetic model, suggesting uptake by chemisorption, and the Langmuir model has a saturation capacity of 0.85 mg/g for uptake and prefers monolayer molecular uptake. The characterization showed that the adsorbent surface provided many uptake sites for phosphate and a high specific surface area. We hope that these findings will encourage the development of other value-added waste-based materials for environmental remediation.
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Medeiros DCCDS, Chelme-Ayala P, Benally C, Al-Anzi BS, Gamal El-Din M. Review on carbon-based adsorbents from organic feedstocks for removal of organic contaminants from oil and gas industry process water: Production, adsorption performance and research gaps. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 320:115739. [PMID: 35932737 DOI: 10.1016/j.jenvman.2022.115739] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 07/01/2022] [Accepted: 07/09/2022] [Indexed: 06/15/2023]
Abstract
Large amounts of process water with considerable concentrations of recalcitrant organic contaminants, such as polycyclic aromatic hydrocarbon (PAHs), phenolic compounds (PCs), and benzene, toluene, ethylbenzene, and xylene (BTEX), are generated by several segments of oil and gas industries. These segments include refineries, hydraulic fracturing (HF), and produced waters from the extraction of shale gas (SGPW), coalbed methane (CBMPW) and oil sands (OSPW). In fact, the concentration of PCs and PAHs in process water from refinery can reach 855 and 742 mg L-1, respectively. SGPW can contain BTEX at concentrations as high as 778 mg L-1. Adsorption can effectively target those organic compounds for the remediation of the process water by applying carbon-based adsorbents generated from organic feedstocks. Such organic feedstocks usually come from organic waste materials that would otherwise be conventionally disposed of. The objective of this review paper is to cover the scientific progress in the studies of carbon-based adsorbents from organic feedstocks that were successfully applied for the removal of organic contaminants PAHs, PCs, and BTEX. The contributions of this review paper include the important aspects of (i) production and characterization of carbon-based adsorbents to enhance the efficiency of organic contaminant adsorption, (ii) adsorption properties and mechanisms associated with the engineered adsorbent and expected for certain pollutants, and (iii) research gaps in the field, which could be a guidance for future studies. In terms of production and characterization of materials, standalone pyrolysis or hybrid procedures (pyrolysis associated with chemical activation methods) are the most applied techniques, yielding high surface area and other surface properties that are crucial to the adsorption of organic contaminants. The adsorption of organic compounds on carbonaceous materials performed well at wide range of pH and temperatures and this is desirable considering the pH of process waters. The mechanisms are frequently pore filling, hydrogen bonding, π-π, hydrophobic and electrostatic interactions, and same precursor material can present more than one adsorption mechanism, which can be beneficial to target more than one organic contaminant. Research gaps include the evaluation of engineered adsorbents in terms of competitive adsorption, application of adsorbents in oil and gas industry process water, adsorbent regeneration and reuse studies, and pilot or full-scale applications.
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Affiliation(s)
| | - Pamela Chelme-Ayala
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta, T6G 1H9, Canada
| | - Chelsea Benally
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta, T6G 1H9, Canada
| | - Bader S Al-Anzi
- Department of Environmental Technology Management, Kuwait University, P.O. Box 5969, Safat, 13060, Kuwait; Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, T6G 2P5, Canada
| | - Mohamed Gamal El-Din
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta, T6G 1H9, Canada.
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31
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Liu L, Li C, Lai R, Li H, Lai L, Liu X. Perturbation and strengthening effects of DOM on the biochar adsorption pathway. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 245:114113. [PMID: 36179450 DOI: 10.1016/j.ecoenv.2022.114113] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 08/29/2022] [Accepted: 09/21/2022] [Indexed: 06/16/2023]
Abstract
Biochar is an effective adsorbent commonly used in pollutants adsorption. However, natural constituents, such as dissolved organic matter (DOM), could affect pollutants adsorption. In this study, we analyzed the mechanisms underlying phenol adsorption on pine biochar under perturbation by fertilizer-derived DOM. In addition, biochar property alterations were characterized and further analyzed. The results showed that phenol and DOM combined to a certain extent in the adsorption system. DOM affected the adsorption pathway, which increased the biochar adsorption efficiency for phenol. The addition of DOM2 promoted phenol adsorption efficiency (70.31%), with total DOM adsorption capacity of 61.45 mg g-1 onto biochar.
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Affiliation(s)
- Le Liu
- National and Local Joint Engineering Research Center of Biomass Resource Utilization, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China.
| | - Cheng Li
- National and Local Joint Engineering Research Center of Biomass Resource Utilization, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Ruite Lai
- National and Local Joint Engineering Research Center of Biomass Resource Utilization, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
| | - Haixiao Li
- School of Environmental Science and Engineering, Hubei Polytechnic University, Huangshi 435003, Hubei, China
| | - Lisong Lai
- Agricultural Development Service Center of Tianjin, Tianjin 300061, China
| | - Xiaoning Liu
- National and Local Joint Engineering Research Center of Biomass Resource Utilization, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
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32
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Production of pine sawdust biochar supporting phosphate-solubilizing bacteria as an alternative bioinoculant in Allium cepa L., culture. Sci Rep 2022; 12:12815. [PMID: 35896796 PMCID: PMC9329452 DOI: 10.1038/s41598-022-17106-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 07/20/2022] [Indexed: 11/08/2022] Open
Abstract
We produced and characterised biochar made from Caribbean pine sawdust as raw material. The biochar (BC500) was used as biocompatible support to co-inoculate phosphate solubilizing bacteria (PSB) (BC500/PSB) on Allium cepa L., plants at a greenhouse scale for four months. The three biomaterials study included proximate analysis, elemental analysis, aromaticity analysis, scanning electron microscopy, Fourier transform infrared spectroscopy (FTIR), adsorption studies at different pH and PSB stability as a function of time. The results indicated that BC500 is suitable as organic support or solid matrix to maintain the viability of PSB able to solubilise P from phosphate rock (PR). The biofertilizer (BC500/PSB) allows increasing germination, seedling growth, nutrient assimilation, and growth of Allium cepa L., because PSB immobilised on BC500 promoted nutrient mobilisation, particularly P, during cultivation of Allium cepa L., at pots scale. The two treatments to evaluate the biofertilizer (BC500/PSB) showed the highest concentrations of total P with 1.25 ± 0.13 and 1.38 ± 0.14 mg bulb-1 in A. cepa L. This work presents the benefits of a new product based on bacteria naturally associated with onion and an organic material (BC500) serving as a bacterial carrier that increases the adsorption area of highly reactive nutrients, reducing their leaching or precipitation with other nutrients and fixation to the solid matrix of the soil.
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Allahkarami E, Dehghan Monfared A, Silva LFO, Dotto GL. Lead ferrite-activated carbon magnetic composite for efficient removal of phenol from aqueous solutions: synthesis, characterization, and adsorption studies. Sci Rep 2022; 12:10718. [PMID: 35739231 PMCID: PMC9226004 DOI: 10.1038/s41598-022-15077-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 06/17/2022] [Indexed: 11/08/2022] Open
Abstract
A novel lead ferrite-magnetic activated carbon (lead ferrite-MAC) composite was developed using the chemical co-precipitation method. Instrumental analyses such as X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), and Brunauer-Emmett-Teller (BET) analysis were performed to characterize adsorbent. The uptake of phenol from aqueous solutions using the developed adsorbent was compared to that of pristine activated carbon. The maximum adsorption capacity of lead ferrite-MAC composite (145.708 mg/g) was more than that of pristine activated carbon (116.606 mg/g) due to the metal hydroxides coated on activated carbon since they improve the retention of phenol on the available active sites of adsorbent and create an additional electrostatic interaction with the phenol adsorbate. Regarding the high value of the coefficient of determination (R2) and adjusted determination coefficient (R2adj), coupled with the lower values of average relative error (ARE) and minimum squared error (MSE), it can be found that the isothermal data for the lead ferrite-MAC adsorbent were in agreement with the isotherm models of Redlich-Peterson and Langmuir. From the kinetic viewpoint, pseudo-second-order and linear driving force models explained the phenol adsorption data for both adsorbents. The reusability tests for lead ferrite-MAC composite revealed that after six cycles, 85% of the initial adsorption capacity was maintained. The developed adsorbent can be successfully applied to uptake phenol from aqueous solutions.
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Affiliation(s)
- Esmaeil Allahkarami
- Department of Petroleum Engineering, Faculty of Petroleum, Gas and Petrochemical Engineering, Persian Gulf University, Bushehr, 75169-13817, Iran
| | - Abolfazl Dehghan Monfared
- Department of Petroleum Engineering, Faculty of Petroleum, Gas and Petrochemical Engineering, Persian Gulf University, Bushehr, 75169-13817, Iran.
| | - Luis Felipe Oliveira Silva
- Department of Civil and Environmental, Universidad de La Costa, CUC, Calle 58 # 55-66, Barranquilla, Atlántico, Colombia
| | - Guilherme Luiz Dotto
- Chemical Engineering Department, Federal University of Santa Maria, UFSM, Roraima Avenue 1000, Santa Maria, RS, 97105900, Brazil
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Zhao L, Zhang H, Dai Z, Zhang AY, Yin J, Peng S, Liang H. Recycling chestnut shell for superior peroxymonosulfate activation in contaminants degradation via the synergistic radical/non-radical mechanisms. JOURNAL OF HAZARDOUS MATERIALS 2022; 430:128471. [PMID: 35176696 DOI: 10.1016/j.jhazmat.2022.128471] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/27/2022] [Accepted: 02/09/2022] [Indexed: 06/14/2023]
Abstract
The efficient recycling of agricultural chestnut shell waste is of considerable interest due to its large availability and economic feasibility. Herein, an alkaline-activated biochar was thermally prepared using chestnut shell by finely regulating main conditions; its morphological, structural and physic-chemical properties were well characterized. Fenton-like capacity to trigger peroxymonosulfate activation for superior pollutant degradation with high efficiency and good selectivity was validated in different water matrix. Both radical formation and electron transfer were identified as reaction pathways, while the selective non-radical mechanism played the major role in pollutant degradation. Surface ketonic groups were identified as the main reactive sites for non-selective radical production, while crystal edges and structural defects on sp2/sp3 carbon network could smoothly mediate the selective electron transfer from pollutant to oxidant in the non-radical Fenton-like catalysis. The two-mixed radical/non-radical pathways exhibited important advantages for environmental decontamination, in comparison with the one-single radical or non-radical mechanism. Our study provided a promising recycling strategy for agricultural chestnut shell, as well as an environment-friendly catalyst for heterogeneous Fenton-like catalysis in green water purification rendered by the synergistic radical/non-radical reaction pathways.
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Affiliation(s)
- Lu Zhao
- Anhui Engineering Laboratory for Rural Water Environment and Resources, School of Civil and Hydraulic Engineering & School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China
| | - Hanlin Zhang
- Anhui Engineering Laboratory for Rural Water Environment and Resources, School of Civil and Hydraulic Engineering & School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China
| | - Zhipeng Dai
- Anhui Engineering Laboratory for Rural Water Environment and Resources, School of Civil and Hydraulic Engineering & School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China
| | - Ai-Yong Zhang
- Anhui Engineering Laboratory for Rural Water Environment and Resources, School of Civil and Hydraulic Engineering & School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China; Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Anhui University), Ministry of Education, Hefei 230601, China.
| | - Jiao Yin
- Anhui Engineering Laboratory for Rural Water Environment and Resources, School of Civil and Hydraulic Engineering & School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China
| | - Shuchuan Peng
- Anhui Engineering Laboratory for Rural Water Environment and Resources, School of Civil and Hydraulic Engineering & School of Resources and Environmental Engineering, Hefei University of Technology, Hefei 230009, China.
| | - Heng Liang
- State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China.
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35
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Jain M, Khan SA, Sahoo A, Dubey P, Pant KK, Ziora ZM, Blaskovich MAT. Statistical evaluation of cow-dung derived activated biochar for phenol adsorption: Adsorption isotherms, kinetics, and thermodynamic studies. BIORESOURCE TECHNOLOGY 2022; 352:127030. [PMID: 35314311 DOI: 10.1016/j.biortech.2022.127030] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 03/14/2022] [Accepted: 03/16/2022] [Indexed: 06/14/2023]
Abstract
Sustainable and economical wastewater treatment forms a vital step towards long-term sustainability of petrochemical refineries and industries. An affordable solution to this challenge is to employ biowaste as the key consumable active component. This paper describes the synthesis and characterization of activated biochar derived from cow-dung, a readily available raw material in low-resource settings, and its application for adsorption of phenol, one of the major pollutants in industrial wastewater. Adsorption parameters are optimized by using response surface methodology. Phenol adsorption equilibrium and kinetics data are well fitted to Freundlich isotherm (R2 = 0.97) and pseudo-second-order model (R2 = 0.99), respectively. The maximal adsorption capacity (518.89 mg/g) was attained using the Langmuir isotherm model at pH 6.0. Negative values of thermodynamic parameters confirmed the spontaneity, feasibility, and exothermic behaviour of adsorption reaction. The results demonstrate that synthesized activated biochar showed an excellent phenol adsorption capacity of 98.8 %.
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Affiliation(s)
- Marut Jain
- The University of Queensland - Indian Institute of Technology Delhi Academy of Research (UQIDAR), India; Department of Chemical Engineering, Indian Institute of Technology Delhi, India; Centre for Superbug Solutions, Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Sadaf Aiman Khan
- The University of Queensland - Indian Institute of Technology Delhi Academy of Research (UQIDAR), India; Department of Chemical Engineering, Indian Institute of Technology Delhi, India; Centre for Superbug Solutions, Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Abhisek Sahoo
- Department of Chemical Engineering, Indian Institute of Technology Delhi, India
| | - Prashant Dubey
- CSIR- National Physical Laboratory (CSIR-NPL), New Delhi 110012, India
| | - Kamal Kishore Pant
- The University of Queensland - Indian Institute of Technology Delhi Academy of Research (UQIDAR), India; Department of Chemical Engineering, Indian Institute of Technology Delhi, India.
| | - Zyta Maria Ziora
- The University of Queensland - Indian Institute of Technology Delhi Academy of Research (UQIDAR), India; Centre for Superbug Solutions, Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD 4072, Australia
| | - Mark A T Blaskovich
- The University of Queensland - Indian Institute of Technology Delhi Academy of Research (UQIDAR), India; Centre for Superbug Solutions, Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD 4072, Australia
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Othmani A, Magdouli S, Senthil Kumar P, Kapoor A, Chellam PV, Gökkuş Ö. Agricultural waste materials for adsorptive removal of phenols, chromium (VI) and cadmium (II) from wastewater: A review. ENVIRONMENTAL RESEARCH 2022; 204:111916. [PMID: 34428450 DOI: 10.1016/j.envres.2021.111916] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 08/14/2021] [Accepted: 08/17/2021] [Indexed: 05/21/2023]
Abstract
Management of basic natural resources and the spent industrial and domestic streams to provide a sustainable safe environment for healthy living is a magnum challenge to scientists and environmentalists. The present remedial approach to the wastewater focuses on recovering pure water for reuse and converting the contaminants into a solid matrix for permanent land disposal. However, the ground water aquifers, over a long period slowly leach the contaminants consequently polluting the ground water. Synthetic adsorbents, mainly consisting of polymeric resins, chelating agents, etc. are efficient and have high specificity, but ultimate disposal is a challenge as most of these materials are non-biodegradable. In this context, it is felt appropriate to review the utility of adsorbents based on natural green materials such as agricultural waste and restricted to few model contaminants: phenols, and heavy metals chromium(VI), and cadmium(II) in view of the vast amount of literature available. The article discusses the features of the agricultural waste material-based adsorbents including the mechanism. It is inferred that agricultural waste materials are some of the common renewable sources available across the globe and can be used as sustainable adsorbents. A discussion on challenges for industrial scale implementation and integration with advanced technologies like magnetic-based approaches and nanotechnology to improve the removal efficiency is included for future prospects.
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Affiliation(s)
- Amina Othmani
- Faculty of Sciences of Monastir, University of Monastir, Avenue of the Environment, 5019, Monastir, Tunisia.
| | - Sara Magdouli
- Department of Civil Engineering, Lassonde School of Engineering, York University, North York, Toronto, M3J 1P3, Ontario, Canada; Institut National de la Recherche Scientifique (Centre Eau, Terre et Environnement), Université du Québec, 490 Rue de la Couronne, Québec, G1K 9A9, Qc, Canada; Centre Technologique des Résidus Industriels en Abitibi Témiscamingue, 433 Boulevard du Collège, J9X0E1, Canada
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, India.
| | - Ashish Kapoor
- Department of Chemical Engineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, 603203, India
| | | | - Ömür Gökkuş
- Erciyes University, Engineering Faculty Environmental Engineering Department, 38039, Kayseri, Turkey
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Medeiros DCCDS, Nzediegwu C, Benally C, Messele SA, Kwak JH, Naeth MA, Ok YS, Chang SX, Gamal El-Din M. Pristine and engineered biochar for the removal of contaminants co-existing in several types of industrial wastewaters: A critical review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 809:151120. [PMID: 34756904 DOI: 10.1016/j.scitotenv.2021.151120] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 10/14/2021] [Accepted: 10/17/2021] [Indexed: 05/22/2023]
Abstract
Biochar has been widely studied as an adsorbent for the removal of contaminants from wastewater due to its unique characteristics, such as having a large surface area, well-distributed pores and high abundance of surface functional groups. Critical review of the literature was performed to understand the state of research in utilizing biochars for industrial wastewater remediation with emphasis on pollutants that co-exist in wastewater from several industrial activities, such as textile, pharmaceutical and mining industries. Such pollutants include organic (such as synthetic dyes, phenolic compounds) and inorganic contaminants (such as cadmium, lead). Multiple correspondence analyses suggest that through batch equilibrium, columns or constructed wetlands, researchers have used mechanistic modelling of isotherms, kinetics, and thermodynamics to evaluate contaminant removal in either synthetic or real industrial wastewaters. The removal of organic and inorganic contaminants in wastewater by biochar follows several mechanisms: precipitation, surface complexation, ion exchange, cation-π interaction, and electrostatic attraction. Biochar production and modifications promote good adsorption capacity for those pollutants because biochar properties stemming from production were linked to specific adsorption mechanisms, such as hydrophobic and electrostatic interactions. For instance, adsorption capacity of malachite green ranged from 30.2 to 4066.9 mg g-1 depending on feedstock type, pyrolysis temperature, and chemical modifications. Pyrolyzing biomass at above 500 °C might improve biochar quality to target co-existing pollutants. Treating biochars with acids can also improve pollutant removal, except that the contribution of precipitation is reduced for potentially toxic elements. Studies on artificial intelligence and machine learning are still in their infancy in wastewater remediation with biochars. Meanwhile, a framework for integrating artificial intelligence and machine learning into biochar wastewater remediation systems is proposed. The reutilization and disposal of spent biochar and the contaminant release from spent biochar are important areas that need to be further studied.
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Affiliation(s)
| | - Christopher Nzediegwu
- Department of Renewable Resources, University of Alberta, Edmonton, Alberta T6G 2E3, Canada
| | - Chelsea Benally
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Selamawit Ashagre Messele
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Jin-Hyeob Kwak
- Department of Renewable Resources, University of Alberta, Edmonton, Alberta T6G 2E3, Canada; Department of Rural Construction Engineering, Jeonbuk National University, Jeonju, Jeollabukdo 54896, Republic of Korea
| | - M Anne Naeth
- Department of Renewable Resources, University of Alberta, Edmonton, Alberta T6G 2E3, Canada
| | - Yong Sik Ok
- Korea Biochar Research Center, APRU Sustainable Waste Management Program & Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Scott X Chang
- Department of Renewable Resources, University of Alberta, Edmonton, Alberta T6G 2E3, Canada
| | - Mohamed Gamal El-Din
- Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada.
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Shaikh WA, Chakraborty S, Islam RU, Ghfar AA, Naushad M, Bundschuh J, Maity JP, Mondal NK. Fabrication of biochar-based hybrid Ag nanocomposite from algal biomass waste for toxic dye-laden wastewater treatment. CHEMOSPHERE 2022; 289:133243. [PMID: 34896417 DOI: 10.1016/j.chemosphere.2021.133243] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 12/05/2021] [Accepted: 12/08/2021] [Indexed: 06/14/2023]
Abstract
Dual functional innovative approaches were developed to tackle the algal scum problem in water by utilizing the algal (Spirogyra sp.) biomass waste for organic dye-laden industrial wastewater treatment, a global problem, and challenge. Therefore, an algal biochar-based nanocomposite (nAgBC) was synthesized and employed as a low-cost adsorbent for Congo red (CR) removal. Surface morphology, physicochemical characteristics, elemental composition, phase, and stability of the nanocomposite was analyzed using BET, FESEM-EDX, FTIR, XRD, XPS, and TGA. The nanocomposite was found to be thermostable, mesoporous with large and heterogeneous surface area, containing nAg as doped material, where -OH, NH, CO, CC, SO, and CH are the surface binding active functional groups. Maximum adsorption efficiency of 95.92% (18 mg L-1 CR) was achieved (qe = 34.53 mg g-1) with 0.5 g L-1 of nanocomposite after 60 min, at room temperature (300 K) at pH 6. Isotherm and kinetic model suggested multilayer chemisorption, where adsorption thermodynamics indicated spontaneous reaction. Fluorescens spectral analysis of CR confirmed the formation of CR supramolecule, supporting enhanced adsorption. Furthermore, the result suggested a 5th cycle reusability and considerable efficacy towards real textile industrial effluents. Synergistic effects of the active surface functional groups of the biochar and nAg, along with the overall surface charge of the composite lead to chemisorption, electrostatic attraction, H-bonding, and surface complexation with CR molecules. Thus, synthesized nAgBC can be applicable to mitigate the wastewater for cleaner production and environment.
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Affiliation(s)
- Wasim Akram Shaikh
- Environmental Engineering Laboratory, Department of Civil & Environmental Engineering, Birla Institute of Technology, Mesra, Jharkhand, 835215, India
| | - Sukalyan Chakraborty
- Environmental Engineering Laboratory, Department of Civil & Environmental Engineering, Birla Institute of Technology, Mesra, Jharkhand, 835215, India.
| | - Rafique Ul Islam
- Department of Chemistry, School of Physical Sciences, Mahatma Gandhi Central University, Motihari, Bihar, 845401, India
| | - Ayman A Ghfar
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - M Naushad
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Jochen Bundschuh
- UNESCO Chair on Groundwater Arsenic Within the 2030 Agenda for Sustainable Development, University of Southern Queensland, West Street, Toowoomba, Queensland, 4350, Australia
| | - Jyoti Prakash Maity
- Department of Earth and Environmental Sciences, National Chung Cheng University, 168 University Road, Min-Hsiung, Chiayi County, 62102, Taiwan; Department of Chemistry, School of Applied Sciences, KIIT Deemed to Be University, 751024, Bhubaneswar, India
| | - Naba Kumar Mondal
- Department of Environmental Science, The University of Burdwan, West Bengal, 713104, India
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Abid N, Masmoudi MA, Megdiche M, Barakat A, Ellouze M, Chamkha M, Ksibi M, Sayadi S. Biochar from Olive Mill Solid Waste as an Eco-Friendly Adsorbent for the removal of Polyphenols from Olive Mill Wastewater. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.02.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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40
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Linear and Non-Linear Regression Analysis for the Adsorption Kinetics of SO2 in a Fixed Carbon Bed Reactor—A Case Study. ENERGIES 2022. [DOI: 10.3390/en15020633] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
Here, we determined the kinetic parameters of SO2 adsorption on unburned carbons from lignite fly ash and activated carbons based on hard coal dust. The model studies were performed using the linear and non-linear regression method for the following models: pseudo first and second order, intraparticle diffusion, and chemisorption on a heterogeneous surface. The quality of the fitting of a given model to empirical data was assessed based on: R2, R, Δq, SSE, ARE, χ2, HYBRID, MPSD, EABS, and SNE. It was clearly shown that the linear regression more accurately reflects the behaviour of the adsorption system, which is consistent with the first-order kinetic reaction—for activated carbons (SO2 + Ar) or chemisorption on a heterogeneous surface—for unburned carbons (SO2 + Ar and SO2 + Ar + H2O(g) + O2) and activated carbons (SO2 + Ar + H2O(g) + O2). Importantly, usually, each of the approaches (linear/non-linear) indicated a different mechanism of the studied phenomenon. A certain universality of the χ2 and HYBRID functions has been proved, the minimization of which repeatedly led to the lowest SNE values for the indicated models. Fitting data by any of the non-linear equations based on the R or R2 functions only cannot be treated as evidence/prerequisite of the existence of a given adsorption mechanism.
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41
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Chen J, Yang R, Zhang Z, Wu D. Removal of fluoride from water using aluminum hydroxide-loaded zeolite synthesized from coal fly ash. JOURNAL OF HAZARDOUS MATERIALS 2022; 421:126817. [PMID: 34396971 DOI: 10.1016/j.jhazmat.2021.126817] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 08/01/2021] [Accepted: 08/02/2021] [Indexed: 06/13/2023]
Abstract
The removal of fluoride from wastewater is essential as the excess accumulation of fluoride in environment is harmful to the health of humans. In this study, the defluorination of water by aluminum hydroxide-coated zeolite (AHZ), which was synthesized from coal fly ash, was investigated in batches. The Langmuir maximum adsorption capacity of fluoride by AHZ reached 18.12 mg/g. Aluminum hydroxide was shown to be the major component that adsorbed fluoride. More than 92% removal of fluoride was achieved within 2 h, and the fluoride adsorption kinetics were well fitted to a pseudo-second-order model. The point of zero charge (pHpzc) of the AHZ was determined to be 5.52. Fluoride adsorption by AHZ depended greatly on pH, and maximum performance was obtained at pH 5.5-6.5. The AHZ showed good selectivity for the adsorption of fluoride in the presence of chloride, nitrate, sulfate, bicarbonate, and acetate ions, and the fluoride was nearly exhausted at a sufficiently high dose. The release of OH- due to fluoride adsorption was confirmed. FTIR and XPS studies further illustrated that the adsorption mechanism of fluoride adsorption on AHZ was ligand exchange with hydroxyl groups and the formation of F-Al bonds.
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Affiliation(s)
- Jiabin Chen
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800, Dongchuan Road, Shanghai 200240, China
| | - Renjie Yang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800, Dongchuan Road, Shanghai 200240, China
| | - Zhiyong Zhang
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800, Dongchuan Road, Shanghai 200240, China
| | - Deyi Wu
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800, Dongchuan Road, Shanghai 200240, China.
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42
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Pan X, Lv N, Cai G, Zhou M, Wang R, Li C, Ning J, Li J, Li Y, Ye Z, Zhu G. Carbon- and metal-based mediators modulate anaerobic methanogenesis and phenol removal: Focusing on stimulatory and inhibitory mechanism. JOURNAL OF HAZARDOUS MATERIALS 2021; 420:126615. [PMID: 34329085 DOI: 10.1016/j.jhazmat.2021.126615] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 06/05/2021] [Accepted: 07/08/2021] [Indexed: 06/13/2023]
Abstract
In this study, anaerobic batch experiments were conducted to investigate the effect of carbon-based (biochar) and metal-based (nanoscale zero-valent iron, NZVI and zero valent iron, ZVI) mediators on the AD process treating phenolic wastewater. Fresh apricot shell- and wood-derived biochar (BiocharA, BiocharB) could remove the phenol efficiently (77.1% and 86.2%), suggesting that biodegradation cooperated with adsorption had advantage in phenol removal. BiocharB, NZVI and ZVI enhanced the methane production by 17.6%, 23.7% and 23.2%, respectively. Apart from serving as carrier for microbial growth, BiocharB might promote the direct interspecies electron transfer (DIET) since the Anaerolineaceae/Clostridium sensu stricto, which have potential for DIET, were enriched. NZVI and ZVI added systems mainly enhanced the abundance of Clostridium sensu stricto (24.5%, 37.6%) and Methanosaeta. Interestingly, BiocharA inhibited the methanogenesis completely. An inhibitory mechanism was proposed: the exposure of absorbed microbes on the BiocharA to the highly concentrated phenol in biochar' pores resulted in the inhibition of methanogens, especially for Methanosarcina. In conclusion, this study showed that suitable biochar (BiocharB) could serve as an alternative redox mediator for realizing simultaneously the efficient phenol removal and methane production.
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Affiliation(s)
- Xiaofang Pan
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; School of Environment and Nature Resources, Renmin University of China, Beijing 100872, China; Key Laboratory of Energy Resource Utilization from Agriculture Residue, Ministry of Agriculture and Rural Affairs, China
| | - Nan Lv
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China; Key Laboratory of Energy Resource Utilization from Agriculture Residue, Ministry of Agriculture and Rural Affairs, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guanjing Cai
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Mingdian Zhou
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Ruming Wang
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Chunxing Li
- Department of Environmental Engineering, Technical University of Denmark, DK-2800 Lyngby, Denmark
| | - Jing Ning
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Junjie Li
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Yanlin Li
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Zhilong Ye
- Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Gefu Zhu
- School of Environment and Nature Resources, Renmin University of China, Beijing 100872, China; Key Laboratory of Energy Resource Utilization from Agriculture Residue, Ministry of Agriculture and Rural Affairs, China.
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Guo S, Kumar Awasthi M, Wang Y, Xu P. Current understanding in conversion and application of tea waste biomass: A review. BIORESOURCE TECHNOLOGY 2021; 338:125530. [PMID: 34271498 DOI: 10.1016/j.biortech.2021.125530] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/04/2021] [Accepted: 07/06/2021] [Indexed: 06/13/2023]
Abstract
Along with the increasing consumption of tea and its extracts, the amount of tea waste grows rapidly, which not only results in huge biomass loss, but also increases environmental stress. In past years, interest has been attracted on utilization of tea waste biomass, and a lot of work has been carried out. This review summarized the progress in conversion of tea waste by thermo-chemical and biological technologies and analyzed the property of the derived products and their performance in applications. It was found that biochar derived from tea waste had relatively large surface area, porous structures, and abundant functional groups, and could be used as bio-adsorbents and catalysts and electrochemical energy storage, while the cost of its largescale production should be evaluated. Profoundly, biological conversion, including ensiling and composting, was suggested to be an effective way to develop the tea waste biomass in practice due to its low-cost and specific functions.
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Affiliation(s)
- Shasha Guo
- Institute of Tea Science, Zhejiang University, Hangzhou 310058, China
| | - Mukesh Kumar Awasthi
- College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China
| | - Yuefei Wang
- Institute of Tea Science, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Ministry of Agriculture, Hangzhou 310058, China
| | - Ping Xu
- Institute of Tea Science, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Horticultural Plant Growth, Development and Quality Improvement, Ministry of Agriculture, Hangzhou 310058, China.
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Yuan M, Li C, Zhang B, Wang J, Zhu J, Ji J, Ma Y. A mild and one-pot method to activate lignin-derived biomass by using boric acid for aqueous tetracycline antibiotics removal in water. CHEMOSPHERE 2021; 280:130877. [PMID: 34162102 DOI: 10.1016/j.chemosphere.2021.130877] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 05/07/2021] [Accepted: 05/10/2021] [Indexed: 06/13/2023]
Abstract
A mild and one-pot activation approach of activated carbon was found. The feasibility of boric acid as the activated reagent which was used for the adsorption of four tetracyclines antibiotics (TCs) in water. Boric acid activated carbon (BAC) from bioresource has a much higher removal efficiency than currently reported biochar. The maximum adsorption capacity of BAC is 173.9 mg/g for TCs. BAC is an ecofriendly, nontoxic, and low-cost absorbent from sawdust waste. BAC and TCs could keep coalescing at least 55 days on the surface without stable release. BAC was fully characterized by using scanning electron microscopy, X-ray photoelectron spectroscopy, X-ray diffraction, Raman, zeta potential, and Brunauer-Emmett-Teller analysis; the large surface area and rich pore structure were proved. The interaction between BAC and TCs are hydrogen bond interaction, π-π interaction, and electrostatic interaction. These interactions are also related to the surface charge of BAC and the TCs' species of ions in different pH. Furthermore, the adsorption kinetics and adsorption isotherm of BAC were studied thoroughly. The pseudo-first-order, pseudo-second-order, intra-particle diffusion, Elovich Langmuir, Freundlich, and Dubinin-Radushkevich models were fitted and the physical adsorption process was proved. After the study on adsorption thermodynamics, adsorption exhibits a spontaneous and favorable process.
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Affiliation(s)
- Meng Yuan
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Changsheng Li
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Bingjie Zhang
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Jianli Wang
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Jianhui Zhu
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Jiawen Ji
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Yongqiang Ma
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China.
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Liang L, Xi F, Tan W, Meng X, Hu B, Wang X. Review of organic and inorganic pollutants removal by biochar and biochar-based composites. BIOCHAR 2021; 3:255-281. [DOI: doi.org/10.1007/s42773-021-00101-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Accepted: 05/11/2021] [Indexed: 06/25/2023]
Abstract
AbstractBiochar (BC) has exhibited a great potential to remove water contaminants due to its wide availability of raw materials, high surface area, developed pore structure, and low cost. However, the application of BC for water remediation has many limitations. Driven by the intense desire of overcoming unfavorable factors, a growing number of researchers have carried out to produce BC-based composite materials, which not only improved the physicochemical properties of BC, but also obtained a new composite material which combined the advantages of BC and other materials. This article reviewed previous researches on BC and BC-based composite materials, and discussed in terms of the preparation methods, the physicochemical properties, the performance of contaminant removal, and underlying adsorption mechanisms. Then the recent research progress in the removal of inorganic and organic contaminants by BC and BC-based materials was also systematically reviewed. Although BC-based composite materials have shown high performance in inorganic or organic pollutants removal, the potential risks (such as stability and biological toxicity) still need to be noticed and further study. At the end of this review, future prospects for the synthesis and application of BC and BC-based materials were proposed. This review will help the new researchers systematically understand the research progress of BC and BC-based composite materials in environmental remediation.
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Wu Y, Zhang N, de Lannoy CF. Fast synthesis of high surface area bio-based porous carbons for organic pollutant removal. MethodsX 2021; 8:101464. [PMID: 34430340 PMCID: PMC8374634 DOI: 10.1016/j.mex.2021.101464] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 07/19/2021] [Indexed: 11/26/2022] Open
Abstract
A fast, facile and one-pot chemical activation method was used to develop porous carbons with high surface area and excellent phenolic micropollutant adsorption performance from renewable precursors. This method was applied to three precursors: naturally abundant, but often underestimated wildfire-damaged boreal peats, corn starch, and cellulose. Porous carbon formation was accomplished through precursor impregnation with ZnCl2 powder and their simultaneous pyrolysis under inert N2 flow at 400 or 600 °C for 1 h. The maximum adsorption capacities of these bio-sorbents towards a model contaminant, p-nitrophenol, in simulated wastewater were equal to or superior than using a commercial activated carbon (CAC), Norit GSX (> 530 mg/g) over wide initial concentration ranges (20–2000 mg/L). p-nitrophenol adsorption best fitted Freundlich and Redlich-Peterson isotherms, suggesting multilayer chemisorption. Low concentration p-nitrophenol (20 mg/L) adsorption into the bio-sorbents was rapid in the first 4 h, and could reach high removals (> 98%). The method presented here yielded bio-sorbents with similarly high adsorption performance regardless of the precursor type, while avoiding energy-intensive processing steps during sorbent production. This study gives a useful alternative for manufacturing new sorbents from other upcycled carbonaceous and/or bio-based materials to remove micropollutants and heavy metals.Fast, single-step chemical activation for manufacturing bio-based porous carbons. Efficient adsorption towards aqueous phenolic micropollutant from batch studies. A competitive substitute of charcoal activated carbons for water purification.
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Affiliation(s)
- Yichen Wu
- Department of Chemical Engineering, McMaster University, Canada
| | - Nan Zhang
- Department of Chemical Engineering, McMaster University, Canada
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Muthu Kumara Pandian A, Rajasimman M, Rajamohan N, Varjani S, Karthikeyan C. Anaerobic mixed consortium (AMC) mediated enhanced biosynthesis of silver nano particles (AgNPs) and its application for the removal of phenol. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:125717. [PMID: 33819646 DOI: 10.1016/j.jhazmat.2021.125717] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 03/06/2021] [Accepted: 03/19/2021] [Indexed: 06/12/2023]
Abstract
In this research, silver nano particle (AgNP), was synthesized through a novel anaerobic mixed consortium mediation method and applied for the removal of phenol. The best operating conditions for the fabrication of silver nanoparticles were identified through response surface methodology (RSM) and the maximum yield was found to be 2.65 g/100 ml of anaerobic mixed consortium at optimal conditions of pH-8.6, temperature-90 °C, silver nitrate concentration-3 mg/ml and inoculum volume-3 ml. The synthesized nano particle exhibited a maximum phenol removal of 87.65% was achieved at pH:5.8. The synthesized silver nanoparticles were characterized by superior surface area (19.26 m2/g) and the stability was confirmed by thermo gravimetric analysis (upto 500 °C). The surface morphology was well explained using High Resolution Transmission Emission Microscopy (HR-TEM) and Scanning Electron Microscope with EDS (SEM-EDS) techniques. X-ray Diffraction (XRD) analysis confirmed the changes in crystalline structure due to the adsorption of phenol. Kinetic experiments fitted well with the intra-particle diffusion model. The nature of adsorption of phenol was confirmed as monolayer by the goodness of fit with Langmuir isotherm (R2 > 0.9969).
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Affiliation(s)
- A Muthu Kumara Pandian
- Department of Biotechnology, Vivekanandha College of Engineering for Women, Namakkal, Tiruchengode 637205, India.
| | - M Rajasimman
- Environmental Engineering Laboratory, Department of Chemical Engineering, Annamalai University, Annamalai Nagar 608002, Tamilnadu, India
| | - N Rajamohan
- Department of Chemical Engineering, Sohar University, Sohar 311, Oman
| | - Sunita Varjani
- Gujarat Pollution Control Board, Gandhi Nagar 382010, Gujarat, India
| | - C Karthikeyan
- Environmental Engineering Laboratory, Department of Chemical Engineering, Annamalai University, Annamalai Nagar 608002, Tamilnadu, India
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Dong FX, Yan L, Zhou XH, Huang ST, Liang JY, Zhang WX, Guo ZW, Guo PR, Qian W, Kong LJ, Chu W, Diao ZH. Simultaneous adsorption of Cr(VI) and phenol by biochar-based iron oxide composites in water: Performance, kinetics and mechanism. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:125930. [PMID: 34492860 DOI: 10.1016/j.jhazmat.2021.125930] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 03/30/2021] [Accepted: 04/16/2021] [Indexed: 06/13/2023]
Abstract
The pollution of heavy metals and organic compounds has received increased attention in recent years. In the current study, a novel biochar-based iron oxide composite (FeYBC) was successfully synthesized using pomelo peel and ferric chloride solution through one-step process at moderate temperature. Results clearly demonstrate that FeYBC exhibited more efficient removal of Cr(VI) and/or phenol compared with the pristine biochar, and the maximum adsorption amounts of Cr(VI) and phenol by FeYBC could reach 24.37 and 39.32 mg g-1, respectively. A series of characterization data suggests that several iron oxides such as Fe2O3, Fe0, FeOOH and Fe3O4 were formed on the FeYBC surface as well as oxygen-containing groups. Thermodynamics study indicates that Cr(VI) and phenol adsorption by FeYBC were endothermic and exothermic processes, respectively. Langmuir adsorption isotherm and pseudo-second order models could better explain the Cr(VI) and phenol adsorption behaviors over FeYBC. The Cr(VI) adsorption might be primarily achieved through the ion exchange and surface complexation and reduction, whereas the π-π interaction and electron donor-acceptor complex mainly contributed to phenol adsorption. The findings indicate that the biochar-based iron oxide composites material was an efficient adsorbent for the remediation of industrial effluents containing Cr(VI) and phenol.
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Affiliation(s)
- Fu-Xin Dong
- Guangdong Provincial Engineering and Technology Research Center for Agricultural Land Pollution Prevention and Control, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Liu Yan
- Guangdong Provincial Engineering and Technology Research Center for Agricultural Land Pollution Prevention and Control, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Xin-Hua Zhou
- Key Laboratory of Agricultural Green Fine Chemicals of Guangdong Higher Education Institution, School of Chemistry and Chemical Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Shi-Ting Huang
- Guangdong Provincial Engineering and Technology Research Center for Agricultural Land Pollution Prevention and Control, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Jing-Yi Liang
- Guangdong Provincial Engineering and Technology Research Center for Agricultural Land Pollution Prevention and Control, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Wen-Xuan Zhang
- Guangdong Provincial Engineering and Technology Research Center for Agricultural Land Pollution Prevention and Control, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | - Zi-Wei Guo
- Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals, Institute of Analysis, Guangdong Academy of Sciences, Guangzhou 510000, China
| | - Peng-Ran Guo
- Guangdong Provincial Key Laboratory of Emergency Test for Dangerous Chemicals, Institute of Analysis, Guangdong Academy of Sciences, Guangzhou 510000, China
| | - Wei Qian
- Guangdong Provincial Engineering and Technology Research Center for Agricultural Land Pollution Prevention and Control, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China
| | | | - Wei Chu
- Hong Kong Polytechnic University, Hong Kong
| | - Zeng-Hui Diao
- Guangdong Provincial Engineering and Technology Research Center for Agricultural Land Pollution Prevention and Control, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China.
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Aftab RA, Zaidi S, Danish M, Adnan SM, Ansari KB, Danish M. Support vector regression-based model for phenol adsorption in rotating packed bed adsorber. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 30:10.1007/s11356-021-14953-9. [PMID: 34169420 DOI: 10.1007/s11356-021-14953-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 06/13/2021] [Indexed: 06/13/2023]
Abstract
The excessive strength of phenol present in industrial wastewater is a major issue of concern to be looked upon. Among the pollutant removal techniques, a novel robust device, the rotating packed bed (RPB) adsorber, offers efficient adsorption of phenol due to its ability to magnify the mass transfer rate. In the present study, support vector regression (SVR) has been applied to predict adsorption of phenol on activated carbon in RPB by taking into account the independent parameters, namely, spray density, gravity factor, concentration, and contact time. The experimental data set of phenol adsorption sample has been randomized and normalized prior to constructing the models. The predictive ability of the SVR model has been compared with other data-driven models like artificial neural network (ANN) and multiple regression (MR) models. Both the SVR-based model and the ANN model have almost similar prediction efficacy; however, the ANN model was found to predict the outputs slightly better. The coefficient of determination (R2) and root mean square error (RMSE) values of test data set for the MR RPB adsorption model were found to be 0.934 and 0.149, while for the SVR and ANN-based models, these values were 0.996 and 0.045 and 0.998 and 0.027, respectively. Thus, it was concluded that the soft computing SVR and ANN models possessed tremendous potential to predict the adsorption process of RPB with remarkable accuracy and were greatly generalized.
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Affiliation(s)
- Rameez Ahmad Aftab
- Department of Chemical Engineering, Zakir Hussain College of Engineering and Technology, Aligarh Muslim University, Aligarh, Uttar Pradesh, 202002, India
| | - Sadaf Zaidi
- Department of Post Harvest Engineering and Technology, Faculty of Agricultural Sciences,, Aligarh Muslim University, Aligarh, Uttar Pradesh, 202002, India.
| | - Mohd Danish
- Department of Chemical Engineering, Zakir Hussain College of Engineering and Technology, Aligarh Muslim University, Aligarh, Uttar Pradesh, 202002, India
| | - Sayed Mohammad Adnan
- Department of Chemical Engineering, Zakir Hussain College of Engineering and Technology, Aligarh Muslim University, Aligarh, Uttar Pradesh, 202002, India
| | - Khursheed B Ansari
- Department of Chemical Engineering, Zakir Hussain College of Engineering and Technology, Aligarh Muslim University, Aligarh, Uttar Pradesh, 202002, India
| | - Mohammad Danish
- Department of Chemical Engineering, Zakir Hussain College of Engineering and Technology, Aligarh Muslim University, Aligarh, Uttar Pradesh, 202002, India
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Sodium Dodecylbenzene Sulfonate-Modified Biochar as An Adsorbent for The Removal of Methylene Blue. BULLETIN OF CHEMICAL REACTION ENGINEERING & CATALYSIS 2021. [DOI: 10.9767/bcrec.16.1.10323.188-195] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Biochar is an interesting adsorbent material due to its use is correlated with biomass waste utilization and also minimize environmental pollution from high amount of biomass by-product. Regarding to improve the biochar ability in water treatment, several surface modifications have been developed, one of them is modification using surfactant. In this study, sodium dodecylbenzene sulfonate (SDBS) was used to modify the surface of biochar prepared from pyrolysis of cassava peels (Manihot utilissima). Its performance in biochar modification to remove methylene blue (MB) dyes was compared with sodium dodecyl sulphate (SDS) surfactant for observing the important of – interactions mechanisms. The analysis of biochar and biochar-SDBS were conducted by using Fourier transform infrared (FTIR), CHNS elemental analysis, and scanning electron microscope (SEM). Furthermore, the adsorption experiments were conducted using UV-Vis spectrophotometer. It is known that modification using SDBS could increase the adsorption capacity of biochar not only from electrostatic interaction but also through – interactions mechanisms. In this respect, as the amount of SDBS mass increased, the adsorption capacity was also improved due to the modification produced more active cites on biochar. The maximum MB adsorption onto biochar-SDBS occurred at adsorbent mass of 15 mg with optimum pH value of 10. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
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