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Guadalupe GA, Grandez-Yoplac DE, García L, Doménech E. A Comprehensive Bibliometric Study in the Context of Chemical Hazards in Coffee. TOXICS 2024; 12:526. [PMID: 39058178 PMCID: PMC11281111 DOI: 10.3390/toxics12070526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Revised: 07/17/2024] [Accepted: 07/19/2024] [Indexed: 07/28/2024]
Abstract
The research aimed to carefully review the chemical hazards linked to the coffee production chain to analyse the risks and opportunities for consumers and the environment, as well as identify potential knowledge gaps. The Scopus database was consulted from 1949 to April 2024 to conduct a bibliometric analysis. As a result, 680 articles were analysed. Results indicated a significant increase in research activity since 2015. China, Brazil, and the USA were the leading countries in scientific production and collaborations. The most prolific journals in this field were Chemosphere, Science of the Total Environment, Food Chemistry, Journal of Agricultural and Food Chemistry, and Journal of Environmental Management, all of which are in the first quartile. The word analysis revealed two main themes: the first focuses on the chemical hazards of coffee and their impact on health, while the second explores the waste generated during coffee production and its potential for reuse. The topics covered in the research include the composition of coffee, associated chemical hazards, possible health risks, and ways to reuse waste for environmental protection. Future research should concentrate on optimising techniques and processes to ensure quality, safety, and sustainability.
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Affiliation(s)
- Grobert A. Guadalupe
- Instituto de Investigación, Innovación y Desarrollo para el Sector Agrario y Agroindustrial de la Región Amazonas (IIDAA), Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas 01001, Peru;
- Instituto Universitario de Ingeniería de Alimentos Food-UPV, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
| | - Dorila E. Grandez-Yoplac
- Instituto de Investigación, Innovación y Desarrollo para el Sector Agrario y Agroindustrial de la Región Amazonas (IIDAA), Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, Chachapoyas 01001, Peru;
| | - Ligia García
- Instituto de Investigación para el Desarrollo Sustentable de Ceja de Selva (INDES-CES), Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, 342 Higos Urco, Chachapoyas 01001, Peru;
| | - Eva Doménech
- Instituto Universitario de Ingeniería de Alimentos Food-UPV, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
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2
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Thamer AA, Mustafa A, Bashar HQ, Van B, Le PC, Jakab M, Rashed TR, Kułacz K, Hathal M, Somogyi V, Nguyen DD. Activated carbon and their nanocomposites derived from vegetable and fruit residues for water treatment. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 359:121058. [PMID: 38714036 DOI: 10.1016/j.jenvman.2024.121058] [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: 10/13/2023] [Revised: 04/09/2024] [Accepted: 04/29/2024] [Indexed: 05/09/2024]
Abstract
Water pollution remains a pressing environmental issue, with diverse pollutants such as heavy metals, pharmaceuticals, dyes, and aromatic hydrocarbon compounds posing a significant threat to clean water access. Historically, biomass-derived activated carbons (ACs) have served as effective adsorbents for water treatment, owing to their inherent porosity and expansive surface area. Nanocomposites have emerged as a means to enhance the absorption properties of ACs, surpassing conventional AC performance. Biomass-based activated carbon nanocomposites (ACNCs) hold promise due to their high surface area and cost-effectiveness. This review explores recent advancements in biomass-based ACNCs, emphasizing their remarkable adsorption efficiencies and paving the way for future research in developing efficient and affordable ACNCs. Leveraging real-time communication for ACNC applications presents a viable approach to addressing cost concerns.
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Affiliation(s)
- A A Thamer
- Chemistry Branch, Applied Sciences Department, University of Technology, Baghdad P.O. Box 19006, Iraq
| | - A Mustafa
- Chemistry Branch, Applied Sciences Department, University of Technology, Baghdad P.O. Box 19006, Iraq
| | - H Q Bashar
- Chemistry Branch, Applied Sciences Department, University of Technology, Baghdad P.O. Box 19006, Iraq
| | - Bao Van
- Institute of Research and Development, Duy Tan University, 550000, Danang, Viet Nam; School of Engineering & Technology, Duy Tan University, 550000, Danang, Viet Nam.
| | - Phuoc-Cuong Le
- The University of Danang-University of Science and Technology, 54 Nguyen Luong Bang, Lien Chieu Dist., Danang, 550000, Viet Nam
| | - Miklós Jakab
- College of Technical Engineering, Al-Farahidi University, 47024, Baghdad, Iraq
| | - T R Rashed
- Chemistry Branch, Applied Sciences Department, University of Technology, Baghdad P.O. Box 19006, Iraq
| | - Karol Kułacz
- Faculty of Chemistry, University of Wroclaw, F. Joliot-Curie 14, 50-383, Wrocław, Poland
| | - MustafaM Hathal
- The Industrial Development and Regulatory Directorate, The Ministry of Industry and Minerals, Baghdad, Iraq; Sustainability Solutions Research Lab, Faculty of Engineering, University of Pannonia, Egyetem Str. 10, Veszprém H, 8200, Hungary
| | - Viola Somogyi
- Sustainability Solutions Research Lab, Faculty of Engineering, University of Pannonia, Egyetem Str. 10, Veszprém H, 8200, Hungary
| | - D Duc Nguyen
- Department of Civil & Energy System Engineering, Kyonggi University, 442-760, Republic of Korea; Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City 700000, Viet Nam.
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Chen G, Yin Y, Zhang X, Qian A, Pan X, Liu F, Li R. Enhanced Adsorption of Methyl Orange from Aqueous Phase Using Chitosan-Palmer Amaranth Biochar Composite Microspheres. Molecules 2024; 29:1836. [PMID: 38675656 PMCID: PMC11054346 DOI: 10.3390/molecules29081836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 04/08/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
To develop valuable applications for the invasive weed Palmer amaranth, we utilized it as a novel biochar source and explored its potential for methyl orange adsorption through the synthesis of chitosan-encapsulated Palmer amaranth biochar composite microspheres. Firstly, the prepared microspheres were characterized by scanning electron microscopy and Fourier transform infrared spectroscopy and were demonstrated to have a surface area of 19.6 m2/g, a total pore volume of 0.0664 cm3/g and an average pore diameter of 10.6 nm. Then, the influences of pH, dosage and salt type and concentration on the adsorption efficiency were systematically investigated alongside the adsorption kinetics, isotherms, and thermodynamics. The results reveal that the highest adsorption capacity of methyl orange was obtained at pH 4.0. The adsorption process was well fitted by a pseudo-second-order kinetic model and the Langmuir isotherm model, and was spontaneous and endothermic. Through the Langmuir model, the maximal adsorption capacities of methyl orange were calculated as 495.0, 537.1 and 554.3 mg/g at 25.0, 35.0 and 45.0 °C, respectively. Subsequently, the adsorption mechanisms were elucidated by Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy investigations. It is indicated that electrostatic interactions, hydrogen bonding, π-π interactions and hydrophobic interactions between methyl orange and the composite microspheres were pivotal for the adsorption process. Finally, the regeneration studies demonstrated that after five adsorption-desorption cycles, the microspheres still maintained 93.6% of their initial adsorption capacity for methyl orange. This work not only presents a promising method for mitigating methyl orange pollution but also offers a sustainable approach to managing Palmer amaranth invasion.
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Affiliation(s)
| | | | | | | | | | - Fei Liu
- School of Biological Science, Jining Medical University, No. 669 Xueyuan Road, Donggang District, Rizhao 276826, China; (G.C.); (Y.Y.); (X.Z.); (A.Q.); (X.P.)
| | - Rui Li
- School of Biological Science, Jining Medical University, No. 669 Xueyuan Road, Donggang District, Rizhao 276826, China; (G.C.); (Y.Y.); (X.Z.); (A.Q.); (X.P.)
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Nguyen DTC, Jalil AA, Hassan NS, Nguyen LM, Nguyen DH, Tran TV. Optimization of hydrothermal synthesis conditions of Bidens pilosa-derived NiFe 2O 4@AC for dye adsorption using response surface methodology and Box-Behnken design. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-32691-6. [PMID: 38468003 DOI: 10.1007/s11356-024-32691-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 02/25/2024] [Indexed: 03/13/2024]
Abstract
The presence of stable and hazardous organic dyes in industrial effluents poses significant risks to both public health and the environment. Activated carbons and biochars are widely used adsorbents for removal of these pollutants, but they often have several disadvantages such as poor recoverability and inseparability from water in the post-adsorption process. Incorporating a magnetic component into activated carbons can address these drawbacks. This study aims to optimizing the production of NiFe2O4-loaded activated carbon (NiFe2O4@AC) derived from a Bidens pilosa biomass source through a hydrothermal method for the adsorption of Rhodamine B (RhB), methyl orange (MO), and methyl red (MR) dyes. Response surface methodology (RSM) and Box-Behnken design (BBD) were applied to analyze the key synthesis factors such as NiFe2O4 loading percentage (10-50%), hydrothermal temperature (120-180 °C), and reaction time (6-18 h). The optimized condition was found at a NiFe2O4 loading of 19.93%, a temperature of 135.55 °C, and a reaction time of 16.54 h. The optimum NiFe2O4@AC demonstrated excellent sorption efficiencies of higher than 92.98-97.10% against all three dyes. This adsorbent was characterized, exhibiting a well-developed porous structure with a high surface area of 973.5 m2 g-1. Kinetic and isotherm were studied with the best fit of pseudo-second-order, and Freundlich or Temkin. Qmax values were determined to be 204.07, 266.16, and 177.70 mg g-1 for RhB, MO, and MR, respectively. By selecting HCl as an elution, NiFe2O4@AC could be efficiently reused for at least 4 cycles. Thus, the Bidens pilosa-derived NiFe2O4@AC can be a promising material for effective and recyclable removal of dye pollutants from wastewater.
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Affiliation(s)
- Duyen Thi Cam Nguyen
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, 298-300A Nguyen Tat Thanh, District 4, Ho Chi Minh City, 755414, Vietnam
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor, Bahru, Johor, Malaysia
| | - Aishah Abdul Jalil
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor, Bahru, Johor, Malaysia.
- Centre of Hydrogen Energy, Institute of Future Energy, 81310 UTM Johor Bahru, Johor, Malaysia.
| | - Nurul Sahida Hassan
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor, Bahru, Johor, Malaysia
| | - Luan Minh Nguyen
- Institute of Chemical Technology, Vietnam Academy of Science and Technology, 1A TL29, District 12, Ho Chi Minh City, 700000, Vietnam
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, 100000, Vietnam
| | - Dai Hai Nguyen
- Institute of Chemical Technology, Vietnam Academy of Science and Technology, 1A TL29, District 12, Ho Chi Minh City, 700000, Vietnam
| | - Thuan Van Tran
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, 298-300A Nguyen Tat Thanh, District 4, Ho Chi Minh City, 755414, Vietnam
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor, Bahru, Johor, Malaysia
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Pilley S, Kularkar A, Hippargi G, Dhargave L, Shende N, Krupadam RJ, Rayalu S. Powdered silk: A promising biopolymer for the treatment of dye contaminated water. CHEMOSPHERE 2024; 352:141213. [PMID: 38336040 DOI: 10.1016/j.chemosphere.2024.141213] [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: 06/08/2023] [Revised: 09/13/2023] [Accepted: 01/12/2024] [Indexed: 02/12/2024]
Abstract
Discharge of textile dye effluents into water bodies is creating stress to aquatic life and contaminating water resources. In this study, a new biopolymer adsorbent silk fibroin (SF) was prepared from Bombyx mori silk fibroin (SF) and used for removal of Solochrome Black-T (SB-T) from water. This innovative adsorbent exhibits an exceptional adsorption capacity of 20.08 mg/g, achieving a removal efficiency of approximately 98.6 % within 60 min. Notably, the powdered SF adsorbent demonstrates rapid kinetics, surpassing the performance of previously reported similar adsorbents in adsorption capacity and reaction speed. The molecular weight and particle diameter of the material were observed to be > 1.243 kDa and 3 μm, respectively. The experimental investigations were performed on different parameters, viz., adsorbent dosage, contact time, repeatability, and desorption-adsorption study. The experimental data well fit for the Langmuir model (R2 = 0.937, qmax = 20.08 mg/g) and the pseudo-second-order kinetics (R2 = 0.921 and qe = 1.496 mg/g). Compared to the adsorbents reported in the literature, the newly prepared SF showed high adsorption capacity and faster kinetics to address real-life situations. The novelty of this work extends beyond its remarkable adsorption capabilities. The SF adsorbent offers a cost-effective, sustainable solution and regenerable adsorption material with minimal negative environmental impacts. This regenerability, with its versatility and broad applicability, positions powdered SF fibroin as a transformative technology in water treatment and environmental protection.
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Affiliation(s)
- Sonali Pilley
- Environmental Materials Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, 440020, India
| | - Ankush Kularkar
- Environmental Materials Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, 440020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Girivyankatesh Hippargi
- Environmental Materials Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, 440020, India.
| | - Layashree Dhargave
- Environmental Materials Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, 440020, India
| | - Nandini Shende
- Environmental Materials Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, 440020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Reddithota J Krupadam
- Environmental Materials Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, 440020, India
| | - Sadhana Rayalu
- Environmental Materials Division, CSIR-National Environmental Engineering Research Institute (NEERI), Nagpur, 440020, India
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6
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Yu H, Zhang Y, Wang L, Tuo Y, Yan S, Ma J, Zhang X, Shen Y, Guo H, Han L. Experimental and DFT insights into the adsorption mechanism of methylene blue by alkali-modified corn straw biochar. RSC Adv 2024; 14:1854-1865. [PMID: 38192323 PMCID: PMC10773387 DOI: 10.1039/d3ra05964b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 11/30/2023] [Indexed: 01/10/2024] Open
Abstract
As an efficient and cost-effective adsorbent, biochar has been widely used in the adsorption and removal of dyes. In this study, a simple NaOH-modified biochar with the pyrolysis temperature of 300 °C (NaCBC300) was synthesized, characterized, and investigated for the adsorption performances and mechanisms of methylene blue (MB). NaCBC300 exhibited excellent MB adsorption performance with maximum removal efficiency and adsorption capacity of 99.98% and 290.71 mg g-1, which were three and four times higher than biochar without modification, respectively. This might be attributed to the increased content of -OH and the formation of irregular flakes after NaOH modification. The Freundlich isotherm suggested multilayer adsorption between NaCBC300 and MB. Spectroscopic characterizations demonstrated that multiple mechanisms including π-π interaction, H-bonding, and pore-filling were involved in the adsorption. According to density functional theory (DFT) calculations, electrostatic interaction between NaCBC300 and MB was verified. The highest possibility of the attraction between NaCBC300 and MB was between -COOH in NaCBC300 and R-N(CH3)2 in MB. This work improved our understanding of the mechanism for MB adsorption by modified biochar and provided practical and theoretical guidance for adsorbent preparation with high adsorption ability for dyes.
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Affiliation(s)
- Huali Yu
- School of Environmental & Chemical Engineering, Dalian Jiaotong University Dalian 116021 China +86-411-84107585 +86-411-84107585
| | - Yulu Zhang
- School of Environmental & Chemical Engineering, Dalian Jiaotong University Dalian 116021 China +86-411-84107585 +86-411-84107585
| | - Lianfeng Wang
- School of Environmental & Chemical Engineering, Dalian Jiaotong University Dalian 116021 China +86-411-84107585 +86-411-84107585
| | - Ya Tuo
- Environmental Development Center of the Ministry of Ecology and Environment Beijing 100006 China
| | - Song Yan
- School of Environmental & Chemical Engineering, Dalian Jiaotong University Dalian 116021 China +86-411-84107585 +86-411-84107585
| | - Junling Ma
- School of Environmental & Chemical Engineering, Dalian Jiaotong University Dalian 116021 China +86-411-84107585 +86-411-84107585
| | - Xue Zhang
- School of Environmental & Chemical Engineering, Dalian Jiaotong University Dalian 116021 China +86-411-84107585 +86-411-84107585
| | - Yu Shen
- School of Environmental & Chemical Engineering, Dalian Jiaotong University Dalian 116021 China +86-411-84107585 +86-411-84107585
| | - Haiyan Guo
- School of Environmental & Chemical Engineering, Dalian Jiaotong University Dalian 116021 China +86-411-84107585 +86-411-84107585
| | - Lei Han
- School of Environmental & Chemical Engineering, Dalian Jiaotong University Dalian 116021 China +86-411-84107585 +86-411-84107585
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Xu W, Huang X, Yuan J, Wang Y, Wu M, Ni H, Dong L. The potential for synthesized invasive plant biochar with hydroxyapatite to mitigate allelopathy of Solidago canadensis. ECOLOGICAL APPLICATIONS : A PUBLICATION OF THE ECOLOGICAL SOCIETY OF AMERICA 2024; 34:e2833. [PMID: 36864716 DOI: 10.1002/eap.2833] [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: 07/12/2022] [Revised: 12/06/2022] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
Few studies tried to explore the mitigation effect and underlying mechanisms of biochar and their complex for negative allelopathy from invasive plants, which may provide a new way in the invasive plant management. Herein, an invasive plant (Solidago canadensis)-derived biochar (IBC) and its composite with hydroxyapatite (HAP/IBC) were synthesized by high temperature pyrolysis, and characterized by scanning electron microscopy, energy dispersion spectrometer, X-ray diffraction, Fourier transform infrared spectroscopy, and X-ray photoelectron spectroscopy. Then, both the batch adsorption and pot experiments were conducted to compare the removal effects of kaempferol-3-O-β-D-glucoside (C21 H20 O11 , kaempf), an allelochemical from S. canadensis, on IBC and HAP/IBC, respectively. HAP/IBC showed a stronger affinity for kaempf than IBC due to its higher specific surface area, more functional groups (P-O, P-O-P, PO4 3- ), stronger crystallization [Ca3 (PO4 )2 ]. The maximum kaempf adsorption capacity on HAP/IBC was six times higher than on IBC (10.482 mg/g > 1.709 mg/g) via π-π interactions, functional groups, and metal complexation. The kaempf adsorption process could be fitted best by both pseudo-second-order kinetic and Langmuir isotherm models. Furthermore, HAP/IBC addition into soils could enhance and even recover the germination rate and/or seedling growth of tomato inhibited by negative allelopathy from the invasive S. canadensis. These results indicate that the composite of HAP/IBC could more effectively mitigate the allelopathy from S. canadensis than IBC, which may be a potential efficient approach to control the invasive plant and improve invaded soils.
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Affiliation(s)
- Wenna Xu
- School of Life Science, Shaoxing University, Shaoxing, People's Republic of China
| | - Xueyi Huang
- School of Life Science, Shaoxing University, Shaoxing, People's Republic of China
| | - Jiajie Yuan
- Shaoxing Customs, Hangzhou Customs District, Shaoxing, People's Republic of China
| | - Yanhong Wang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, People's Republic of China
| | - Mengmin Wu
- School of Life Science, Shaoxing University, Shaoxing, People's Republic of China
| | - Hongtai Ni
- School of Life Science, Shaoxing University, Shaoxing, People's Republic of China
| | - Lijia Dong
- School of Life Science, Shaoxing University, Shaoxing, People's Republic of China
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Cho SH, Jung S, Park J, Lee S, Kim Y, Lee J, Fai Tsang Y, Kwon EE. Strategic use of crop residue biochars for removal of hazardous compounds in wastewater. BIORESOURCE TECHNOLOGY 2023; 387:129658. [PMID: 37591466 DOI: 10.1016/j.biortech.2023.129658] [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: 06/29/2023] [Revised: 08/07/2023] [Accepted: 08/08/2023] [Indexed: 08/19/2023]
Abstract
Crop residues are affordable lignocellulosic waste in the world, and a large portion of the waste has been burned, releasing toxic pollutants into the environment. Since the crop residue is a carbon and ingredient rich material, it can be strategically used as a sorptive material for (in)organic pollutants in the wastewater after thermo-chemical valorization (i.e., biochar production). In this review, applications of crop residue biochars to adsorption of non-degradable synthetic dyes, antibiotics, herbicides, and inorganic heavy metals in wastewater were discussed. Properties (porosity, functional groups, heteroatom, and metal(oxide)s, etc.) and adsorption capacity relationships were comprehensively reviewed. The current challenges of crop residue biochars and guidelines for development of efficient adsorbents were also provided. In the last part, the future research directions for practical applications of the crop residue biochars in wastewater treatment plants have been suggested.
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Affiliation(s)
- Seong-Heon Cho
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Sungyup Jung
- Department of Environmental Engineering, Kyungpook National University, Daegu 41566, Republic of Korea
| | - JongHyun Park
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Sangyoon Lee
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Youkwan Kim
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Jechan Lee
- Department of Global Smart City, Sungkyunkwan University, Suwon 16419, Republic of Korea; School of Civil, Architectural Engineering, and Landscape Architecture, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Yiu Fai Tsang
- Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, New Territories 999077, Hong Kong
| | - Eilhann E Kwon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Republic of Korea.
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9
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Wiśniewska M, Sadłowska A, Herda K, Urban T, Nowicki P. Production of Mineral-Carbon Composites and Activated Carbons as a Method of Used Gear Oil, Ashes, and Low-Quality Brown Coals Management. Molecules 2023; 28:6919. [PMID: 37836762 PMCID: PMC10574163 DOI: 10.3390/molecules28196919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/28/2023] [Accepted: 10/01/2023] [Indexed: 10/15/2023] Open
Abstract
The main objective of this study was to assess the usefulness of the low-quality brown coal, ash obtained as a result of its combustion, as well as used gear oil for the production of mineral-carbon adsorbents. The adsorbents were characterized in terms of textural parameters, acidic-basic character of the surface, mineral matter contribution to the structure, as well as their suitability for drinking water purification. Adsorption tests were carried out against two synthetic dyes-methylene blue and methyl orange. In order to understand the nature of the organic pollutants adsorption, the effect of the initial dye concentration, temperature, and pH of the system as well as the phase contact time were investigated. The obtained mineral-carbon composite and activated carbons significantly differed not only in terms of the elemental composition and chemical character of the surface (from slightly acidic to strongly alkaline), but also showed a very diverse degree of specific surface development (from 21 to 656 m2/g) and the type of porous structure generated (from micro/mesoporous to typically mesoporous). Adsorption tests showed that the efficiency of organic dye removal from aqueous solutions primarily depends on the type of the adsorbent and adsorbate applied, and, to a lesser extent, on the temperature and pH of the system. In turn, kinetic studies have shown that the sorption of dyes on such materials is consistent with a pseudo-second-order kinetics model, regardless of the type of adsorbed dye.
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Affiliation(s)
- Małgorzata Wiśniewska
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland
| | - Amanda Sadłowska
- Department of Applied Chemistry, Faculty of Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
| | - Karolina Herda
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland
| | - Teresa Urban
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland
| | - Piotr Nowicki
- Department of Applied Chemistry, Faculty of Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
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10
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Cheng X, Jiang D, Chen H, Barati B, Yuan C, Li H, Wang S. Multi-stage adsorption of methyl orange on the nitrogen-rich biomass-derived carbon adsorbent: DFT and MD evaluation. CHEMOSPHERE 2023; 338:139218. [PMID: 37414293 DOI: 10.1016/j.chemosphere.2023.139218] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 06/05/2023] [Accepted: 06/13/2023] [Indexed: 07/08/2023]
Abstract
Dyes that are released into the environment may have negative effects on living organisms. To address this issue, a biomass-derived carbon adsorbent made from Enteromorpha was tested for its ability to remove methyl orange (MO) from wastewater. The adsorbent was found to be effective in removing MO, with a 1:4 impregnation ratio producing an adsorbent that could remove 96.34% of MO from a 200 mg/L solution using only 0.1 g of adsorbent. At higher concentrations, the adsorption capacity increased up to 269.58 mg/g. Through molecular dynamics simulations, it was discovered that after mono-layer adsorption reached saturation, the remaining MO molecules in solution formed hydrogen bonds with the adsorbed MO, which led to further aggregation on the adsorbent surface and increased adsorption capacity. Additionally, theoretical investigations revealed that the adsorption energy of anionic dyes increased with Nitrogen-doped carbon materials, with the pyrrolic-N site having the highest adsorption energy for MO. The carbon material derived from Enteromorpha showed promise in treating wastewater containing anionic dyes, thanks to its high adsorption capacity and strong electrostatic interaction with the sulfonic acid groups of MO.
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Affiliation(s)
- Xiaoxue Cheng
- School of Energy and Power Engineering, Jiangsu University, 212013, Jiangsu, China; School of Water, Energy and Environment, Cranfield University, Cranfield, MK43 0AL, UK
| | - Ding Jiang
- School of Energy and Power Engineering, Jiangsu University, 212013, Jiangsu, China
| | - Hao Chen
- School of Energy and Power Engineering, Jiangsu University, 212013, Jiangsu, China
| | - Bahram Barati
- Department of Green Chemistry and Technology, LIWET-Laboratory for Industrial Water and EcoTechnology, Ghent University, Sint-Martens Latemlaan 2B, 8500, Kortrijk, Belgium
| | - Chuan Yuan
- School of Agricultural Engineering, Jiangsu University, 212013, Jiangsu, China
| | - Hongping Li
- Institute for Energy Research of Jiangsu University, Jiangsu University, 212013, Jiangsu, China.
| | - Shuang Wang
- School of Energy and Power Engineering, Jiangsu University, 212013, Jiangsu, China.
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11
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Vallabha MS, Nagaraj PC, Mallikarjunappa AKK. Competitive and cooperative adsorption analysis for dye removal from multicomponent system using Prosopis juliflora activated carbon. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:90362-90382. [PMID: 36571677 DOI: 10.1007/s11356-022-24721-y] [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: 08/31/2022] [Accepted: 12/07/2022] [Indexed: 06/17/2023]
Abstract
In this study, performance evaluation of two adsorbents synthesized using invasive weed, i.e., Prosopis juliflora, was chemically activated using hydrochloric acid (HPJ) and sodium hydroxide (NPJ). The synthesized adsorbents HPJ and NPJ were subjected to SEM, EDX, XRD, FTIR, and porosimetry analysis for characterization and applied for adsorptive removal of rhodamine B (RB) and methyl orange (MO) dyes from monocomponent (MO/RB) and multicomponent (MO + RB) systems in batch mode. Meanwhile, the effect of operational parameters such as contact time, HPJ and NPJ dosage, MO/RB concentration, and [Formula: see text] on sorption of MO/RB dyes was investigated. The adsorption data was modeled through various kinetic and equilibrium models. On the other hand, the multi-dye sorption system was modeled using Langmuir competitive isotherm. Furthermore, the effect of presence of one dye on sorption of other and vice versa, i.e., competitive (antagonistic) and cooperative (synergistic) nature of sorption process, was investigated. From the results, it was observed that pseudo-second-order kinetic and Langmuir isotherm models best fit the adsorption kinetic and equilibrium data for sorption of MO and RB dyes using both HPJ and NPJ as adsorbents. Langmuir's maximum sorption ability (qm) of HPJ for sorption of MO and RB dyes was observed to be 12.77 mg/g and 9.95 mg/g, respectively, from the monocomponent system. On the other hand, qm of NPJ for sorption of MO and RB dyes was observed to be 10.51 mg/g and 8.69 mg/g, respectively. Langmuir's sorption ability (qm) was slightly higher in the MO + RB mixture in contrast to MO/RB. As a result, the sorption of MO/RB dyes from the MO + RB system showed synergistic nature. In conclusion, the HPJ and NPJ could be effectively used as sorbents for sorption of dyes from effluents.
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Affiliation(s)
| | - Pratheek Chenna Nagaraj
- Department of Civil Engineering, B. M. S. College of Engineering, Bangalore, 560019, Karnataka, India
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12
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Lorenzo P, Morais MC. Strategies for the Management of Aggressive Invasive Plant Species. PLANTS (BASEL, SWITZERLAND) 2023; 12:2482. [PMID: 37447043 DOI: 10.3390/plants12132482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023]
Abstract
Current control methods for invasive alien plants (IAPs) have acceptable short-term outcomes but have proven to be unfeasible or unaffordable in the long-term or for large invaded areas. For these reasons, there is an urgent need to develop sustainable approaches to control or restrict the spread of aggressive IAPs. The use of waste derived from IAP control actions could contribute to motivating the long-term management and preservation of local biodiversity while promoting some economic returns for stakeholders. However, this strategy may raise some concerns that should be carefully addressed before its implementation. In this article, we summarize the most common methods to control IAPs, explaining their viability and limitations. We also compile the potential applications of IAP residues and discuss the risks and opportunities associated with this strategy.
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Affiliation(s)
- Paula Lorenzo
- University of Coimbra, Department of Life Sciences, Centre for Functional Ecology (CFE)-Science for People & the Planet, TERRA Associate Laboratory, 3000-456 Coimbra, Portugal
| | - Maria Cristina Morais
- Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Inov4Agro, Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production, University of Trás-of-Montes and Alto Douro, Quinta de Prados, 5000-801 Vila Real, Portugal
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13
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Wang H, Wu Y, Wen Y, Chen D, Pu J, Ding Y, Kong S, Wang S, Xu R. Simultaneously Cationic and Anionic Dyes Elimination via Magnetic Hydrochar Prepared from Copper Slag and Pinewood Sawdust. TOXICS 2023; 11:484. [PMID: 37368584 DOI: 10.3390/toxics11060484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/21/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023]
Abstract
In practical wastewater, cationic and anionic dyes usually coexist, while synergistic removal of these pollutants is difficult due to their relatively opposite properties. In this work, copper slag (CS) modified hydrochar (CSHC) was designed as functional material by the one-pot method. Based on characterizations, the Fe species in CS can be converted to zero-valent iron and loaded onto a hydrochar substrate. The CSHC exhibited efficient removal rates for both cationic dyes (methylene blue, MB) and anionic dyes (methyl orange, MO), with a maximum capacity of 278.21 and 357.02 mg·g-1, respectively, which was significantly higher than that of unmodified ones. The surface interactions of MB and MO between CSHC were mimicked by the Langmuir model and the pseudo-second-order model. In addition, the magnetic properties of CSHC were also observed, and the good magnetic properties enabled the adsorbent to be quickly separated from the solution with the help of magnets. The adsorption mechanisms include pore filling, complexation, precipitation, and electrostatic attraction. Moreover, the recycling experiments demonstrated the potential regenerative performance of CSHC. All these results shed light on the co-removal of cationic and anionic contaminates via these industrial by-products derived from environmental remediation materials.
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Affiliation(s)
- Huabin Wang
- School of Energy and Environment Science, Yunnan Normal University, Kunming 650500, China
| | - Yi Wu
- School of Energy and Environment Science, Yunnan Normal University, Kunming 650500, China
| | - Yi Wen
- School of Energy and Environment Science, Yunnan Normal University, Kunming 650500, China
| | - Dingxiang Chen
- School of Energy and Environment Science, Yunnan Normal University, Kunming 650500, China
| | - Jiang Pu
- Shiping Center for Rural Energy and Environment, Honghe 661400, China
| | - Yu Ding
- Baoshan City Longyang Rural Energy Workstation, Baoshan 678000, China
| | - Sailian Kong
- Development Center for Rural Affairs of Jiangchuan District, Yuxi 651100, China
| | - Shuaibing Wang
- College of Chemistry Biology and Environment, Yuxi Normal University, Yuxi 653100, China
| | - Rui Xu
- School of Energy and Environment Science, Yunnan Normal University, Kunming 650500, China
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14
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Hua Z, Pan Y, Hong Q. Adsorption of Congo red dye in water by orange peel biochar modified with CTAB. RSC Adv 2023; 13:12502-12508. [PMID: 37091607 PMCID: PMC10119749 DOI: 10.1039/d3ra01444d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 04/14/2023] [Indexed: 04/25/2023] Open
Abstract
In order to improve the adsorption effect of biochar on Congo red dye, this study used hexadecyl trimethyl ammonium bromide (CTAB) to organically modify orange peel biochar (OBC) to produce CTAB-modified orange peel biochar (NOBC), and the biochar before and after modification was analyzed by SEM-EDS, FTIR and BET. The adsorption performance of NOBC on Congo red dye was investigated and the adsorption mechanism was studied. The results showed that the adsorption amount was influenced by the initial concentration, adsorption time and solution pH. NOBC adsorbed 50 mg L-1 CR with an equilibrium time of 60 min and an equilibrium amount of 290.1 mg g-1, while the adsorption equilibrium time of OBC was 210 min and an equilibrium amount of 155.2 mg g-1, the adsorption of CR by NOBC was above 210 mg g-1 at pH 2 to 11, NOBC can be recycled three times. The experimental results showed that the adsorption data of CR on NOBC were consistent with the Langmuir isothermal adsorption model and the Pseudo-second-order model, and the mechanism of CR adsorption on NOBC mainly included electrostatic attraction and surface adsorption. In conclusion, NOBC is a promising material for dye wastewater adsorption.
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Affiliation(s)
- Zhongxin Hua
- Zhejiang Zhongda Engineering Costing Firm Co., Ltd Hangzhou 310012 China
| | - Yaping Pan
- Zhejiang Zhongda Engineering Costing Firm Co., Ltd Hangzhou 310012 China
| | - Qiankun Hong
- Zhejiang Tongji Vocational College of Science and Technology Hangzhou 311231 China
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15
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Qiu M, Liu L, Ling Q, Cai Y, Yu S, Wang S, Fu D, Hu B, Wang X. Biochar for the removal of contaminants from soil and water: a review. BIOCHAR 2022; 4:19. [DOI: doi.org/10.1007/s42773-022-00146-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 02/23/2022] [Indexed: 06/25/2023]
Abstract
AbstractBiochar shows significant potential to serve as a globally applicable material to remediate water and soil owing to the extensive availability of feedstocks and conducive physio-chemical surface characteristics. This review aims to highlight biochar production technologies, characteristics of biochar, and the latest advancements in immobilizing and eliminating heavy metal ions and organic pollutants in soil and water. Pyrolysis temperature, heat transfer rate, residence time, and type of feedstock are critical influential parameters. Biochar’s efficacy in managing contaminants relies on the pore size distribution, surface groups, and ion-exchange capacity. The molecular composition and physical architecture of biochar may be crucial when practically applied to water and soil. In general, biochar produced at relatively high pyrolysis temperatures can effectively manage organic pollutants via increasing surface area, hydrophobicity and microporosity. Biochar generated at lower temperatures is deemed to be more suitable for removing polar organic and inorganic pollutants through oxygen-containing functional groups, precipitation and electrostatic attraction. This review also presents the existing obstacles and future research direction related to biochar-based materials in immobilizing organic contaminants and heavy metal ions in effluents and soil.
Graphical Abstract
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16
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Hoang NT, Manh TD, Nguyen VT, Thy Nga NT, Mwazighe FM, Nhi BD, Hoang HY, Chang SW, Chung WJ, Nguyen DD. Kinetic study on methylene blue removal from aqueous solution using UV/chlorine process and its combination with other advanced oxidation processes. CHEMOSPHERE 2022; 308:136457. [PMID: 36116628 DOI: 10.1016/j.chemosphere.2022.136457] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/25/2022] [Accepted: 09/11/2022] [Indexed: 06/15/2023]
Abstract
This study investigated the kinetic degradation of methylene blue (MB) by a UV/chlorine process and its combination with other advanced oxidation processes. The ∙OH and reactive chlorine species (RCS: Cl∙, ClO∙, etc.) were the primary reactive species, which accounted for 56.7% and 37.6% of MB degradation at pH 7, respectively. The second-order rate constant of Cl∙ towards MB was calculated to be 2.8 × 109 M-1 s-1. When the pH increased from 3 to 7, kMB by ∙OH increased from 0.15 to 0.21 min-1 before being reduced to 0.11 min-1 at pH 11. kMB by RCS continuously reduced from 0.16 to 0.13 min-1 when the pH was increased to 11. Humic acid (HA), Br-, and Cl- inhibited the degradation with kMB in the order: kMB (in HA) < kMB (in Br-) < kMB (in Cl-). HCO3- increased kMB from 0.37 to 0.48 min-1. The experimental and modeling methods fit well, indicating the effectiveness of using Kintecus® in predicting concentrations of free radicals in complex water matrices. TOC removal was achieved at 60% after 30 min in a control process and it was strongly inhibited by the presence of HA, with 22% removal achieved at 5 mgc L-1 HA. UV/chlorine/electrochemical oxidation (UV/chlorine/EO) significantly improves kMB from 0.37 to 0.94 min-1 at a high current (240 mA), while UV/chlorine/H2O2 decreased kMB at a low concentration of 0.01 mM H2O2 (kMB decreased by 6.1%). The results indicate that the energy cost for UV irradiation was the main cost in MB treatment in both UV/chlorine and UV/persulfate (UV/PS) processes, accounting for 91% and 84%, respectively.
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Affiliation(s)
- Nguyen Tien Hoang
- The University of Da Nang, University of Science and Education, 459 Ton Duc Thang st., Lien Chieu, Da Nang 550000, Viet Nam.
| | - Tran Duc Manh
- The University of Da Nang, University of Science and Education, 459 Ton Duc Thang st., Lien Chieu, Da Nang 550000, Viet Nam
| | - Vo Thang Nguyen
- The University of Da Nang, University of Science and Education, 459 Ton Duc Thang st., Lien Chieu, Da Nang 550000, Viet Nam
| | - Nguyen Thi Thy Nga
- The University of Da Nang, University of Science and Education, 459 Ton Duc Thang st., Lien Chieu, Da Nang 550000, Viet Nam
| | - Fredrick M Mwazighe
- Department of Chemistry, Faculty of Science and Technology, University of Nairobi, P. O. Box 30197, 00100, Nairobi, Kenya
| | - Bui D Nhi
- Faculty of Chemical and Environmental Technology, Viet Tri University of Industry, Phu Tho, Viet Nam.
| | - Hien Y Hoang
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Danang, 550000, Viet Nam; The Faculty of Environmental and Chemical Engineering, Duy Tan University, 03 Quang Trung, Danang, 550000, Viet Nam
| | - S Woong Chang
- Department of Environmental Energy Engineering, Kyonggi University, 442-760, Republic of Korea
| | - W Jin Chung
- Department of Environmental Energy Engineering, Kyonggi University, 442-760, Republic of Korea
| | - D Duc Nguyen
- Department of Environmental Energy Engineering, Kyonggi University, 442-760, Republic of Korea; Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, District 4, HCM City, 755414, Viet Nam.
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17
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Joshi P, Prolta A, Mehta S, Khan TS, Srivastava M, Khatri OP. Adsorptive removal of multiple organic dyes from wastewater using regenerative microporous carbon: Decisive role of surface-active sites, charge and size of dye molecules. CHEMOSPHERE 2022; 308:136433. [PMID: 36126740 DOI: 10.1016/j.chemosphere.2022.136433] [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: 07/13/2022] [Revised: 08/30/2022] [Accepted: 09/09/2022] [Indexed: 06/15/2023]
Abstract
Present work addresses the synthesis of microporous activated carbon (SDAC) by a facile thermochemical conversion of teak sawdust powder. The high surface area (1999 m2 g-1), excellent microporosity (average pore size: 2.62 nm), and turbostratic carbon structure with intertwined graphitic domains make SDAC a highly efficient adsorptive material for the removal of organic pollutants. The spectroscopic analyses (FTIR, Raman, and XPS) and adsorption locator calculations revealed multiple interactions between organic dyes and SDAC adsorbent, i.e., electrostatic, π-π, n-π interactions, and hydrogen linkages. The size, chemical functionalities, aromatic rings, electronegative and heteroatoms in dye molecules, along with the surface-active sites, microstructured and textural features of SDAC adsorbent collectively governed the interaction pathways and adsorption efficiency. The calculated adsorption energy using Monte Carlo-based simulation annealing method signified faster and higher adsorption of malachite green than methylene blue dye at surface-active sites (-COOH, CO, C-OH, and π-electron-rich domains) of SDAC adsorbent, corroborating the experimental results. The batch-mode adsorptive separation results showed remarkably high adsorption efficiency (>99%) for industrial wastewater to remove cationic and anionic dyes together. The SDAC displayed significantly high adsorption of methylene blue dye (625 mg.g-1) with excellent recyclability without measurable loss of adsorption efficiency even after ten cycles. The SDAC fixed-bed column showed a dye removal capacity of 594 mg.g-1 at 90% breakthrough in a continuous-mode process signifying its applicability for a real-time industrial run. The excellent conformity between batch mode and fixed bed continuous column adsorption data, along with higher removal capacity and remarkable recyclability, promise the use of SDAC adsorbent for industrial wastewater treatment to remove multiple organic pollutants.
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Affiliation(s)
- Pratiksha Joshi
- CSIR-Indian Institute of Petroleum, Dehradun, 248005, India; Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
| | - Abeena Prolta
- CSIR-Indian Institute of Petroleum, Dehradun, 248005, India
| | - Sweta Mehta
- CSIR-Indian Institute of Petroleum, Dehradun, 248005, India; Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
| | - Tuhin Suvra Khan
- CSIR-Indian Institute of Petroleum, Dehradun, 248005, India; Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
| | - Manoj Srivastava
- CSIR-Indian Institute of Petroleum, Dehradun, 248005, India; Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
| | - Om P Khatri
- CSIR-Indian Institute of Petroleum, Dehradun, 248005, India; Academy of Scientific and Innovative Research, Ghaziabad, 201002, India.
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18
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Wang X, Zheng Y, Zong L, Zhang C. Hydrogel‐biochar composites for removal of methylene blue: Adsorption performance, characterization, and adsorption isotherm, kinetics, thermodynamics analysis. J Appl Polym Sci 2022. [DOI: 10.1002/app.53219] [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)
- Xiangpeng Wang
- School of Chemical Engineering Shandong Institute of Petroleum and Chemical Technology Dongying China
| | - Yunxiang Zheng
- School of Chemical Engineering Shandong Institute of Petroleum and Chemical Technology Dongying China
| | - Lina Zong
- School of Chemical Engineering Shandong Institute of Petroleum and Chemical Technology Dongying China
| | - Chunxiao Zhang
- School of Chemical Engineering Shandong Institute of Petroleum and Chemical Technology Dongying China
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19
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A DFT investigation of lithium adsorption on carbonaceous compounds as a potential anode material in lithium-ion batteries. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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20
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Hien Tran T, Le AH, Pham TH, Duong LD, Nguyen XC, Nadda AK, Chang SW, Chung WJ, Nguyen DD, Nguyen DT. A sustainable, low-cost carbonaceous hydrochar adsorbent for methylene blue adsorption derived from corncobs. ENVIRONMENTAL RESEARCH 2022; 212:113178. [PMID: 35367427 DOI: 10.1016/j.envres.2022.113178] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 02/15/2022] [Accepted: 03/22/2022] [Indexed: 05/04/2023]
Abstract
In this study, activated carbon from corncobs was successfully synthesized by hydrothermal carbonization and hydrochemical activation at low temperatures, followed by pyrolysis. A developed method of hydrochemical activation of hydrochar that uses only small amounts of chemicals is a promising approach. After activation, the activator residues in the hydrothermal product can constantly act as a chemical activator during pyrolysis to form corncob-activated carbon (AHC-KOH), which had specific surface area of 965.028 m2/g and oxygenated functional groups of 0.3780 mmol/g, 31.67 and 4 times, respectively, of those of the inactivated sample. AHC-KOH was used to study the adsorption characteristics of methylene blue (MB). The MB adsorption efficiency of AHC-KOH was the highest at 489.560 mg/g, which was considerably higher than that of activated carbons produced from other biomasses. The isotherm equilibrium and adsorbent kinetics parameters of MB adsorption on AHC-KOH were also determined using the Langmuir isotherm model (R2 = 0.99) and pseudo-second-order kinetic model (R2 > 0.99). Thus, the results indicate that an inexpensive adsorbent produced from corncobs using the above method is a promising material for wastewater treatment.
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Affiliation(s)
- T Hien Tran
- Institute of Environmental Science, Engineering and Management, Industrial University of Ho Chi Minh City, 12 Nguyen Van Bao, Go Vap District, Ho Chi Minh City, Viet Nam; Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Viet Nam
| | - Anh Hoang Le
- Faculty of Environment, University of Science, Ho Chi Minh City, Viet Nam; Vietnam National University, Ho Chi Minh City, Viet Nam
| | - T Huu Pham
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Viet Nam; Institute of Applied Materials Science, Vietnam Academy of Science and Technology, No 1B TL 29, Thanh Loc Ward, District 12, Ho Chi Minh City, Viet Nam
| | - La Duc Duong
- Institute of Chemistry and Materials, Nghia Do, Cau Giay, Hanoi, Viet Nam
| | - X Cuong Nguyen
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, Da Nang, 550000, Viet Nam; Faculty of Environmental and Chemical Engineering, Duy Tan University, Da Nang, 550000, Viet Nam
| | - Ashok Kumar Nadda
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Waknaghat, Solan, 173234, Himachal Pradesh, India
| | - Soon Woong Chang
- Department of Environmental Energy Engineering, Kyonggi University, Republic of Korea
| | - Woo Jin Chung
- Department of Environmental Energy Engineering, Kyonggi University, Republic of Korea
| | - D Duc Nguyen
- Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, District 4, HCM City 755414, Viet Nam; Department of Environmental Energy Engineering, Kyonggi University, Republic of Korea.
| | - Dinh Thanh Nguyen
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Viet Nam; Institute of Applied Materials Science, Vietnam Academy of Science and Technology, No 1B TL 29, Thanh Loc Ward, District 12, Ho Chi Minh City, Viet Nam.
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21
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Coral-Reef Shaped Mesoporous Silica Obtained from Coal Fly Ash with High Adsorption Capacity. Top Catal 2022. [DOI: 10.1007/s11244-022-01670-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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22
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Ngo TCQ, Tan LV, Thao NP, Tran TKN, Hoang NB. An insight on Vietnamese bio-waste materials as activated carbon precursors for multiple applications in environmental protection. OPEN CHEM 2022. [DOI: 10.1515/chem-2022-0170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Vietnam is known as an agricultural country with a variety of agricultural crops. In addition to agricultural by-products, bio-waste is the by-product from livestock waste, forestry, industry, and daily life. They affect the soil, water, and air environment by self-degradation processes in the environment. Therefore, researchers have come up with ideas for the usage of the by-products to decrease the amount of waste and minimize the environmental effects. In Vietnam, the by-products were used by researchers to produce bio-ethanol, fertilizers, composites, and activated carbon (AC). AC is one of the materials used to rapidly reduce the number of agricultural by-products by researchers. The synthesis process is optimized for the highest yield, while the physicochemical properties are also clearly analyzed through the X-ray diffraction, Fourier transform infrared, and Bacterial endotoxin testing assays. The average recorded specific surface area was about 300 m2 g−1. The functional groups and surface structure showed that the material has an amorphous structure with –OH, –CH, –CC, –C═C, –C═O groups. The AC from agricultural waste had been studied and applied to treat pollutants present in water.
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Affiliation(s)
- Thi Cam Quyen Ngo
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University , Ho Chi Minh City , Vietnam
| | - Lam Van Tan
- Ben Tre Department of Science and Technology , Ben Tre Province , Vietnam
| | | | - Thi Kim Ngan Tran
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University , Ho Chi Minh City , Vietnam
| | - Ngoc Bich Hoang
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University , Ho Chi Minh City , Vietnam
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Sheoran K, Kaur H, Siwal SS, Saini AK, Vo DVN, Thakur VK. Recent advances of carbon-based nanomaterials (CBNMs) for wastewater treatment: Synthesis and application. CHEMOSPHERE 2022; 299:134364. [PMID: 35318024 DOI: 10.1016/j.chemosphere.2022.134364] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 03/08/2022] [Accepted: 03/16/2022] [Indexed: 06/14/2023]
Abstract
Carbon-based nanomaterials (CBNMs) have attracted significant alert due to the affluent science underpinning their implementations associated with a novel mixture of high aspect proportions, greater thermal and electrical performance, outstanding optical features, and high exterior area. CBNMs not only bear assurance in a broad range of implementations in medication, nano and microelectronics, and ecological remedies but may also be utilized in practical laboratory determinations. More specifically, CBNMs perform as an outstanding adsorbent in terminating heavy metal ions (HMI) from wastewater. There is presently a deficiency of powerful threat inspection instruments owing to their complex detection and related deficit in the health risk database. Therefore, our present review concentrates on spreading CBNMs to release pollutants from wastewater. The article wraps the effect of these contaminants and photocatalytic strategies towards treating these mixtures in wastewater, along with their restrictions and challenges, convincing resolutions, and possibilities of these approaches.
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Affiliation(s)
- Karamveer Sheoran
- Department of Chemistry, M.M. Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Harjot Kaur
- Department of Chemistry, M.M. Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Samarjeet Singh Siwal
- Department of Chemistry, M.M. Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India.
| | - Adesh Kumar Saini
- Department of Biotechnology, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana, 133207, India
| | - Dai-Viet N Vo
- Center of Excellence for Green Energy and Environmental Nanomaterials (CE@GrEEN), Nguyen Tat Thanh University, Ho Chi Minh City, Viet Nam
| | - Vijay Kumar Thakur
- Biorefining and Advanced Materials Research Center, SRUC (Scotland's Rural College), Kings Buildings, West Mains Road, Edinburgh, EH9 3JG, UK; School of Engineering, University of Petroleum & Energy Studies (UPES), Dehradun, Uttarakhand, India.
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24
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Synthesis, characterizations, and RSM analysis of Citrus macroptera peel derived biochar for textile dye treatment. SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING 2022. [DOI: 10.1016/j.sajce.2022.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Coffee Husk and Lignin Revalorization: Modification with Ag Nanoparticles for Heavy Metals Removal and Antifungal Assays. WATER 2022. [DOI: 10.3390/w14111796] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
This study presents the use of the modified coffee husk and coffee lignin as sorbents in the heavy metal ions sorption of Pb(II), Cd(II), Cr(III), and Cu(II) in an aqueous solution. The modification of sorbents was carried out by the impregnation method, using silver nitrate (AgNO3) and sodium borohydride (NaBH4) as a nanoparticles’ (NPs) precursor, and reducing agent, respectively. The obtained nanocomposite material was morphologically characterized by electron microscopy. In addition, an evaluation of metal ions’ sorption, pseudo-first-order, and pseudo-second-order kinetics modeling was performed. Finally, antifungal activity was evaluated on different Candida species. Coffee and lignin modified with AgNPs increased the extraction capacity with the highest sorption for Pb ions with 2.56 mg/g and 1.44 mg/g, respectively.
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Sutar S, Patil P, Jadhav J. Recent advances in biochar technology for textile dyes wastewater remediation: A review. ENVIRONMENTAL RESEARCH 2022; 209:112841. [PMID: 35120893 DOI: 10.1016/j.envres.2022.112841] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 01/15/2022] [Accepted: 01/24/2022] [Indexed: 06/14/2023]
Abstract
With the continuous rise of industrialization and agriculture, the concentration of organic contaminants such as dyes in the ecosystem has increased in subsequent years, causing major environmental contamination. Adsorption has been revealed to be a reliable and cost-effective way of eliminating organic pollutants. Biochar technology has the potential of converting trash into treasure when utilized for environmental remediation since it has numerous benefits such as the availability of diverse types of raw materials, low cost, and reusability. The potential of biochar as an adsorbent, support for catalysis, and a composite catalyst for dye degradation and mineralization is summarized in this research. It discusses its current research status in the adsorption and degradation of various dyes, incorporates the pertinent adsorption variables, encapsulates its regeneration techniques, investigates its engineering applications, and finally analyses limitations and discusses future development prospects.
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Affiliation(s)
- Shubham Sutar
- Department of Biotechnology, Shivaji University, Vidyanagar, Kolhapur, 416004, India.
| | - Prasanna Patil
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University, Beijing, 100048, China.
| | - Jyoti Jadhav
- Department of Biotechnology, Shivaji University, Vidyanagar, Kolhapur, 416004, India; Department of Biochemistry, Shivaji University, Vidyanagar, Kolhapur, 416004, India.
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Removing Pollutants from Sewage Waters with Ground Apricot Kernel Shell Material. MATERIALS 2022; 15:ma15103428. [PMID: 35629454 PMCID: PMC9143833 DOI: 10.3390/ma15103428] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/03/2022] [Accepted: 05/04/2022] [Indexed: 02/01/2023]
Abstract
For the first time, a comprehensive review of the literature data on the use of apricot (Prunus armeniaca) biomass components as a sorption material for the treatment of wastewater and environmental water from various pollutants is carried out in the present study. In addition to a comprehensive analysis of contemporary studies, the current work carried out its own microstructural and energy dispersive studies. It shows that apricot kernel shell is a promising raw material for obtaining sorption materials that can be used to extract various pollutants from aqueous media. The parameters of sorption interaction are presented, at which the highest rate of removal of pollutants was achieved. It is shown that the sorption capacity of apricot biomass components can be increased by modifying it with various chemical reagents, as well as other physical and physicochemical methods. We reveal that most publications consider the use of the latter as a raw material for the production of activated carbons. It is established that the surface area and total pore space of activated carbons from apricot kernel shells depend on the modes of carbonization and activation. It is shown that activated carbons are effective adsorbents for removing various pollutants (metal ions, dyes, oil and oil products) from aqueous media. It was found that the adsorption isotherms of pollutants in most cases are best described by the Langmuir and Freundlich models, and the process kinetics is most often described by the pseudo-second-order model. The possibility of improving the sorption characteristics of apricot biomass during chemical or physicochemical treatment is also shown.
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Sheng X, Wang J, Cui Q, Zhang W, Zhu X. A feasible biochar derived from biogas residue and its application in the efficient adsorption of tetracycline from an aqueous solution. ENVIRONMENTAL RESEARCH 2022; 207:112175. [PMID: 34619130 DOI: 10.1016/j.envres.2021.112175] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/30/2021] [Accepted: 10/02/2021] [Indexed: 05/27/2023]
Abstract
The recovery of carbon materials from biogas residue (BR) could efficiently promote the efficient utilization of waste and the preparation of novel materials. In this study, a green and feasible reagent of citric acid was introduced and applied in the modification of biogas residue biochar (BRC). The modified biogas residue biochar (CABRC) showed a superior adsorption ability due to its higher specific surface area (approximately 6 times that of the BRC). Additionally, the adsorption capacities of CABRC and BRC for TC were 58.25 mg/g and 20.77 mg/g, respectively, while the TC adsorption performance of CABRC was 2.8 times that of BRC. The adsorption of TC by both BRC and CABRC was primarily controlled by physical adsorption and chemical adsorption (including pore filling, hydrogen bonding, π-π DEA interaction, and electrostatic interaction). Therefore, CABRC should be considered an environmentally friendly material due to its higher adsorption performance, which could expand its application in wastewater treatment.
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Affiliation(s)
- Xiaoyu Sheng
- School of Ecology and Environment, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan, 450001, PR China
| | - Junkai Wang
- School of Ecology and Environment, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan, 450001, PR China
| | - Quantao Cui
- School of Ecology and Environment, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan, 450001, PR China
| | - Wei Zhang
- School of Ecology and Environment, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan, 450001, PR China; Faculty of Environmental and Municipal Engineering, Henan Key Laboratory of Water Pollution Control and Rehabilitation Technology, Henan University of Urban Construction, Pingdingshan, 467036, PR China; Henan International Joint Laboratory of Water Cycle Simulation and Environmental Protection, Zhengzhou, 450001, PR China; Zhengzhou Key Laboratory of Water Resource and Environment, Zhengzhou, 450001, PR China; Yellow River Institute for Ecological Protection and Regional Coordination Development, Zhengzhou University, 100 Kexue Avenue, Zhengzhou, Henan, 450001, PR China.
| | - Xinfeng Zhu
- Faculty of Environmental and Municipal Engineering, Henan Key Laboratory of Water Pollution Control and Rehabilitation Technology, Henan University of Urban Construction, Pingdingshan, 467036, PR China.
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29
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Liu M, Linna C, Ma S, Ma Q, Guo J, Wang F, Wang L. Effects of Biochar With Inorganic and Organic Fertilizers on Agronomic Traits and Nutrient Absorption of Soybean and Fertility and Microbes in Purple Soil. FRONTIERS IN PLANT SCIENCE 2022; 13:871021. [PMID: 35401604 PMCID: PMC8990733 DOI: 10.3389/fpls.2022.871021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 02/24/2022] [Indexed: 06/14/2023]
Abstract
Biochar is a kind of organic matter that can be added into the soil as a soil amendment to improve its quality. What are the effects of using biochar on purple soil and soybeans? Can the use of biochar reduce the use of fertilizers? This is our concern. Therefore, we carried out this study. The objectives of our study were to evaluate the effects of biochar, inorganic and organic fertilizer application on plant growth, chlorophyll content, photosynthetic gas exchange, and yield of soybean as well as fertility and microbial community in purple soil, and to appraise the possible reduction rate of inorganic fertilizer under the biochar application. A pot experiment was conducted with three levels of biochar, two levels of inorganic fertilizer, and two levels of organic fertilizer in a randomized complete block. The results indicated that the low rate of biochar together with half rate of inorganic fertilizer and organic fertilizer increased the plant growth of soybean. Meanwhile, the chlorophyll content, root growth, and yield of soybean were increased by 16.61, 197.73, and 96.7%, respectively, with biochar compared with no biochar. The high rate of biochar with half rate of inorganic fertilizer and organic fertilizer can promote the exchange of photosynthetic gas in soybean, and the photosynthetic rate increased by 45.25% compared with the blank control. At the full pod stage, the nitrogen content, phosphorus content, and potassium content of the whole plant under the high rate of biochar were 28.35, 13.65, and 28.78%, respectively, higher than that of the blank control. The application of biochar increased nitrogen, phosphorus, and potassium uptake of soybean. The high rate of biochar with half rate of inorganic fertilizer and organic fertilizer can improve soil nutrient content and soil microbial community. Compared with no biochar treatments, total organic carbon (TOC) increased by 740.28%, and cation exchange capacity (CEC) increased by 54.17%. Phospholipid fatty acid (PLFA) increased by 65.22%, and all kinds of soil microorganisms increased to varying degrees. In conclusion, the application of biochar can reduce the use of organic and inorganic fertilizers, improve the agronomic traits and yield of soybean, and play a positive role in soil nutrients and soil microorganisms.
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Affiliation(s)
| | | | | | | | | | | | - Longchang Wang
- College of Agronomy and Biotechnology, Southwest University, Chongqing, China
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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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Cheng H, Liu Y, Li X, He H, Kang X. Efficient recovery of Cr( vi) from electroplating wastewater by iron-modified sludge-based hollow-structured porous carbon: coexistence effects and competition for adsorption. RSC Adv 2021; 11:37233-37245. [PMID: 35496440 PMCID: PMC9043741 DOI: 10.1039/d1ra06969a] [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: 09/17/2021] [Accepted: 11/02/2021] [Indexed: 11/21/2022] Open
Abstract
In the present work, porous carbon was made from sewage sludge and hybrid liriodendron leaves, and modified with iron ions (Fe@LS-BC) carried out on Cr(vi) in aqueous solution from a single-component system and in competitive biosorption with methyl orange (MO) from a binary-component system. The iron ion-modified porous carbon (Fe@LS-BC) showed higher efficiency in the removal of Cr(vi) compared to porous carbon prepared by the co-pyrolysis of sludge and hybrid liriodendron leaves. The incorporation of the Fe element improved the ability of the material to redox Cr(vi), while imparting magnetic characteristics to the porous carbon and improving the reusability of the porous carbon. On the other hand, Fe@LS-BC exhibited a better pore volume, facilitating the contact of the material with Cr(vi) ions. The highest adsorption capacity was 0.33 mmol g−1, and the adsorption experimental results for the single-component and binary-component systems of Cr(vi) matched well with the Langmuir–Freundlich models. When the concentration of MO was 0.2 and 0.8 mmol L−1, respectively, the highest adsorption capacity of Cr(vi) was 0.35 and 0.46 mmol g−1 in the binary system. The positively charged N–CH3+ on the MO molecule promoted the electrostatic adsorption between HCrO4−, CrO42−, and Fe@LS-BC, and increased the adsorption potential of Cr(vi). Mechanism for the adsorption of hexavalent chromium and methyl orange in a binary system.![]()
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Affiliation(s)
- Han Cheng
- School of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Yali Liu
- School of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Xin Li
- School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Haidong He
- School of Civil Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Xiaorong Kang
- School of Environment Engineering, Nanjing Institute of Technology, Nanjing 211167, China
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