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Campbell R, Xiao B, Mangwandi C. Production of activated carbon from spent coffee grounds (SCG) for removal of hexavalent chromium from synthetic wastewater solutions. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 366:121682. [PMID: 38991333 DOI: 10.1016/j.jenvman.2024.121682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 05/25/2024] [Accepted: 07/01/2024] [Indexed: 07/13/2024]
Abstract
In this research, spent coffee grounds (SCG) are converted into a highly valuable porous adsorbent which removes chromium (VI) from wastewater with high efficiency. A set of nine Spent Coffee Ground Activated Carbon (SCG-AC) adsorbent samples were synthesized, by varying key parameters including pyrolysis temperature (400, 600 °C), pyrolysis duration (1 and 2 h), and the impregnation ratio of the activating agent, KOH (ranging from 0:1 to 2:1). Characterizations of these adsorbent samples were conducted by advanced analytical tools including SEM, EDX, XRD, FTIR, TGA, and BET. Furthermore, we carried out adsorption studies, exploring the effects of temperature and dosage variations. Additionally, point zero charge experiments and desorption studies were carried out to further understand the adsorption process. The outcomes of our investigation demonstrate the successful synthesis of these spent coffee ground-derived adsorbents, with a yield of up to 34%. Notably, these adsorbents exhibited high efficiency in extracting chromium (VI) from water, with removal efficiencies ranging from 75% to 100%. The adsorption isotherms revealed the Langmuir model to be the most fitting descriptor of the adsorption behavior. Moreover, a thermodynamics study revealed the process to be endothermic in nature which furthers our understanding of the underlying mechanisms. Importantly, our cost assessment shows the economic advantage of the synthesized adsorbent over commercial counterparts such as zeolite, making it a competitive choice for real-world applications. In summation, the study not only introduces an innovative and sustainable utilization of spent coffee grounds but also delivers an in-depth exploration of the synthesized adsorbent's ability in chromium (VI) removal. Our holistic approach, encompassing thorough experimentation, characterization, and economic evaluation, solidifies the significance of this research in tackling environmental concerns and propelling advancements in wastewater treatment methodologies.
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Affiliation(s)
- Robyn Campbell
- School of Chemistry and Chemical Engineering, Queen's University Belfast, David Kier Building, BT9 5AG, United Kingdom
| | - Bo Xiao
- School of Chemistry and Chemical Engineering, Queen's University Belfast, David Kier Building, BT9 5AG, United Kingdom
| | - Chirangano Mangwandi
- School of Chemistry and Chemical Engineering, Queen's University Belfast, David Kier Building, BT9 5AG, United Kingdom.
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2
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Dey P, Osborne JW, Lincy KB. An insight on the plausible biological and non-biological detoxification of heavy metals in tannery waste: A comprehensive review. ENVIRONMENTAL RESEARCH 2024; 258:119451. [PMID: 38906443 DOI: 10.1016/j.envres.2024.119451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 05/20/2024] [Accepted: 06/18/2024] [Indexed: 06/23/2024]
Abstract
A key challenge for the tannery industries is the volume of tannery waste water (TWW) generated during the processing of leather, releasing various forms of toxic heavy metals resulting in uncontrolled discharge of tannery waste (TW) into the environment leading to pollution. The pollutants in TW includes heavy metals such as chromium (Cr), cadmium (Cd), lead (Pb) etc, when discharged above the permissible limit causes ill effects on humans. Therefore, several researchers have reported the application of biological and non-biological methods for the removal of pollutants in TW. This review provides insights on the global scenario of tannery industries and the harmful effects of heavy metal generated by tannery industry on micro and macroorganisms of the various ecological niches. It also provides information on the process, advantages and disadvantages of non-biological methods such as electrochemical oxidation, advanced oxidation processes, photon assisted catalytic remediation, adsorption and membrane technology. The various biological methods emphasised includes strategies such as constructed wetland, vermitechnology, phytoremediation, bioaugmentation, quorum sensing and biofilm in the remediation of heavy metals from tannery wastewater (TWW) with special emphasize on chromium.
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Affiliation(s)
- Parry Dey
- School of Bio Sciences & Technology, Vellore Institute of Technology, Vellore, 632014, Tamil Nadu, India
| | - Jabez W Osborne
- VIT School of Agricultural Innovations and Advanced Learning (VAIAL) Vellore Institute of Technology, Vellore, 632014, Tamil Nadu, India.
| | - Kirubhadharsini B Lincy
- School of Bio Sciences & Technology, Vellore Institute of Technology, Vellore, 632014, Tamil Nadu, India.
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3
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Chen X, Chen CE, Cheng S, Sweetman AJ. Bisphenol A sorption on commercial polyvinyl chloride microplastics: Effects of UV-aging, biofilm colonization and additives on plastic behaviour in the environment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 356:124218. [PMID: 38815887 DOI: 10.1016/j.envpol.2024.124218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/07/2024] [Accepted: 05/24/2024] [Indexed: 06/01/2024]
Abstract
Chemical additives are important components in commercial microplastics and their leaching behaviour has been widely studied. However, little is known about the potential effect of additives on the adsorption/desorption behaviour of pollutants on microplastics and their subsequent role as vectors for pollutant transport in the environment. In this study, two types of commercial polyvinyl chloride (PVC1 and PVC2) microplastics were aged by UV irradiation and biotic modification via biofilm colonization to investigate the adsorption and desorption behaviour of bisphenol A (BPA). Surface cracks and new functional groups (e.g., O-H) were found on PVC1 after UV irradiation, which increased available adsorption sites and enhanced H‒bonding interaction, resulting in an adsorption capacity increase from 1.28 μg/L to 1.85 μg/L. However, the adsorption and desorption capacity not showed significant changes for PVC2, which might be related to the few characteristic changes after UV aging with the protection of light stabilizers and antioxidants. The adsorption capacity ranged from 1.28 μg/L to 2.06 μg/L for PVC1 and PVC2 microplastics, and increased to 1.62 μg/L-2.95 μg/L after colonization by biofilms. The increased adsorption ability might be related to the N-H functional group, amide groups generated by microorganisms enhancing the affinity for BPA. The opposite effect was observed for desorption. Plasticizers can be metabolized during biofilm formation processes and might play an important role in microorganism colonization. In addition, antioxidants and UV stabilizers might also indirectly influence the colonization of microorganisms' on microplastics by controlling the degree to which PVC microplastics age under UV. The amount of biomass loading on the microplastics would further alter the adsorption/desorption behaviour of contaminants. This study provides important new insights into the evaluation of the fate of plastic particles in natural environments.
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Affiliation(s)
- Xiaoxin Chen
- Lancaster Environment Centre, Lancaster University, Lancaster, LA1 4YQ, United Kingdom
| | - Chang-Er Chen
- Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety and MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, PR China
| | - Shengming Cheng
- Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety and MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, PR China
| | - Andrew J Sweetman
- Lancaster Environment Centre, Lancaster University, Lancaster, LA1 4YQ, United Kingdom.
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Rouibah K, Ferkous H, Abdessalam-Hassan M, Mossab BL, Boublia A, Pierlot C, Abdennouri A, Avramova I, Alam M, Benguerba Y, Erto A. Exploring the Efficiency of Algerian Kaolinite Clay in the Adsorption of Cr(III) from Aqueous Solutions: Experimental and Computational Insights. Molecules 2024; 29:2135. [PMID: 38731626 PMCID: PMC11085289 DOI: 10.3390/molecules29092135] [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: 03/11/2024] [Revised: 04/12/2024] [Accepted: 04/22/2024] [Indexed: 05/13/2024] Open
Abstract
The current study comprehensively investigates the adsorption behavior of chromium (Cr(III)) in wastewater using Algerian kaolinite clay. The structural and textural properties of the kaolinite clay are extensively characterized through a range of analytical methods, including XRD, FTIR, SEM-EDS, XPS, laser granulometry, N2 adsorption isotherm, and TGA-DTA. The point of zero charge and zeta potential are also assessed. Chromium adsorption reached equilibrium within five minutes, achieving a maximum removal rate of 99% at pH 5. Adsorption equilibrium is modeled using the Langmuir, Freundlich, Temkin, Elovich, and Dubinin-Radushkevitch equations, with the Langmuir isotherm accurately describing the adsorption process and yielding a maximum adsorption capacity of 8.422 mg/g for Cr(III). Thermodynamic parameters suggest the spontaneous and endothermic nature of Cr(III) sorption, with an activation energy of 26.665 kJ/mol, indicating the importance of diffusion in the sorption process. Furthermore, advanced DFT computations, including COSMO-RS, molecular orbitals, IGM, RDG, and QTAIM analyses, are conducted to elucidate the nature of adsorption, revealing strong binding interactions between Cr(III) ions and the kaolinite surface. The integration of theoretical and experimental data not only enhances the understanding of Cr(III) removal using kaolinite but also demonstrates the effectiveness of this clay adsorbent for wastewater treatment. Furthermore, this study highlights the synergistic application of empirical research and computational modeling in elucidating complex adsorption processes.
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Affiliation(s)
- Karima Rouibah
- Laboratory of Materials-Elaborations-Properties-Applications, Department of Process Engineering, University Mohammed Seddik Benyahia, Jijel 18000, Algeria;
| | - Hana Ferkous
- Laboratoire de Génie Mécanique et Matériaux, Département de Technologie, Faculté de Technologie, Université 20 Août 1955 de Skikda, Skikda 21000, Algeria;
| | - Meniai Abdessalam-Hassan
- Laboratory of Environmental Process Engineering, Faculty of Process Engineering, University of Constantine 3, Constantine 25000, Algeria; (M.A.-H.); (B.L.M.)
| | - Bencheikh Lehocine Mossab
- Laboratory of Environmental Process Engineering, Faculty of Process Engineering, University of Constantine 3, Constantine 25000, Algeria; (M.A.-H.); (B.L.M.)
| | - Abir Boublia
- Laboratoire de Physico-Chimie des Hauts Polymères (LPCHP), Département de Génie des Procèdes, Faculté de Technologie, Ferhat Abbas Setif 1 University, Setif 19000, Algeria;
| | - Christel Pierlot
- Laboratoire UCCS-Unité de Catalyse et Chimie du Solide, National Graduate School of Engineering Chemistry of Lille (ENSCL), 59650 Villeneuve-d’Ascq, France;
| | - Amdjed Abdennouri
- Laboratoire de Catalyse, Bioprocédés et Environnement, Université 20 Août 1955 de Skikda, BP 26, Route El Hadaik, Skikda 21000, Algeria;
| | - Ivalina Avramova
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Block 11, Acad. G. Bonchev Str., 1113 Sofia, Bulgaria;
| | - Manawwer Alam
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia;
| | - Yacine Benguerba
- Laboratory of Biopharmaceutical and Pharmacotechnical (LBPT), Ferhat Abbas Setif 1 University, Setif 19000, Algeria;
| | - Alessandro Erto
- Dipartimento di Ingegneria Chimica, Dei Materiali e della Produzione Industriale, Università Di Napoli Federico II, P.le Tecchio 80, 80125 Napoli, Italy
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5
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Bao J, Feng Y, Pan Y, Jiang J. Adsorption of Co 2+ and Cr 3+ in Industrial Wastewater by Magnesium Silicate Nanomaterials. MATERIALS (BASEL, SWITZERLAND) 2024; 17:1946. [PMID: 38730758 PMCID: PMC11084276 DOI: 10.3390/ma17091946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 04/15/2024] [Accepted: 04/16/2024] [Indexed: 05/13/2024]
Abstract
In this paper, two flower-like magnesium silicate nanomaterials were prepared. These and another two commercial magnesium silicate materials were characterized using a scanning electron microscope, the N2 adsorption-desorption method, and other methods. The structure-activity relationship between the adsorption performance of these four magnesium silicate materials and their specific surface area, pore size distribution, and pore structure was compared. The results showed that the 3-FMS modified by sodium dodecyl sulfonate (SDS) had the largest specific surface area and pore size, the best adsorption performance, and the largest experimental equilibrium adsorption capacity (qe,exp) for Co2+, reaching 190.01 mg/g, and Cr3+, reaching 208.89 mg/g. The adsorption behavior of the four materials for Co2+ and Cr3+ both fitted the pseudo-second-order kinetic model and Langmuir adsorption model, indicating that chemical monolayer uniform adsorption was the dominant adsorption process. Among them, the theoretical adsorption capacity (qm) of 3-FMS was the highest, reaching 207.62 mg/g for Co2+ and 230.85 mg/g for Cr3+. Through further research, it was found that the four materials mainly removed Co2+ and Cr3+ through electrostatic adsorption, surface metal ions (Mg2+), and acidic groups (-OH and -SO3H) exchanging with ions in solution. The adsorption performance of two self-made flower-like magnesium silicate materials for Co2+ and Cr3+ was superior to that of two commercial magnesium silicates.
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Affiliation(s)
- Jing Bao
- Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control, College of Safety Science and Engineering, Nanjing Tech University, Nanjing 210009, China; (Y.P.); (J.J.)
| | - Yongjun Feng
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, No. 15 Beisanhuan East Road, Beijing 100029, China;
| | - Yong Pan
- Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control, College of Safety Science and Engineering, Nanjing Tech University, Nanjing 210009, China; (Y.P.); (J.J.)
| | - Juncheng Jiang
- Jiangsu Key Laboratory of Hazardous Chemicals Safety and Control, College of Safety Science and Engineering, Nanjing Tech University, Nanjing 210009, China; (Y.P.); (J.J.)
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Jang MH, Kim TK, Park JW, Kim TH, Hwang YS, Kim SO. Elucidating adsorption mechanisms of benzalkonium chlorides (BACs) on polypropylene and polyethylene terephthalate microplastics (MPs): Effects of BACs alkyl chain length and MPs characteristics. JOURNAL OF HAZARDOUS MATERIALS 2024; 468:133765. [PMID: 38387174 DOI: 10.1016/j.jhazmat.2024.133765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/07/2024] [Accepted: 02/08/2024] [Indexed: 02/24/2024]
Abstract
Since the onset of the COVID-19 pandemic, there has been an increase in the use of disposable plastics and disinfectants. This study systematically investigated the adsorption behavior and mechanisms of benzalkonium chlorides (BACs), commonly used disinfectants, on polypropylene (PP) and polyethylene terephthalate (PET) microplastics (MPs), considering various factors, such as characteristics of MPs, alkyl chain length of BACs, and environmental conditions. Our results demonstrated a higher adsorption capacity for PP-MPs with relatively hydrophobic properties compared to PET-MPs, where longer alkyl chains in BACs (i.e., higher octanol-water partition coefficients, Kow) significantly enhanced adsorption through hydrophobic interactions. The inverse relationship between particle size of MPs and adsorption was evident. While changes in pH minimally affected adsorption on PP-MPs, adsorption on PET-MPs increased with rising pH, highlighting the influence of pH on electrostatic interactions. Moreover, MP aging with UV/H2O2 amplified BAC adsorption on PP-MPs due to surface oxidation and fragmentation, whereas the properties of PET-MPs remained unaltered, resulting in unchanged adsorption capacities. Spectroscopy studies and density functional theory (DFT) calculations confirmed hydrophobic and electrostatic interactions as the primary adsorption mechanisms. These findings improve our understanding of MPs and BACs behavior in the environment, providing insights for environmental risk assessments related to combined pollution.
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Affiliation(s)
- Min-Hee Jang
- Environmental Exposure & Toxicology Research Center, Korea Institute of Toxicology, Jinju 52834, Republic of Korea; Department of Geology and Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Tae-Kyoung Kim
- Department of Civil and Environmental Engineering, University of California at Berkeley, Berkeley, CA 94720, USA
| | - June-Woo Park
- Environmental Exposure & Toxicology Research Center, Korea Institute of Toxicology, Jinju 52834, Republic of Korea
| | - Tae Hee Kim
- Advanced Textile R&D Department, Korea Institute of Industrial Technology, Ansan 15588, Republic of Korea
| | - Yu Sik Hwang
- Environmental Exposure & Toxicology Research Center, Korea Institute of Toxicology, Jinju 52834, Republic of Korea.
| | - Soon-Oh Kim
- Department of Geology and Research Institute of Natural Science, Gyeongsang National University, Jinju 52828, Republic of Korea.
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7
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Ameha B, Nadew TT, Tedla TS, Getye B, Mengie DA, Ayalneh S. The use of banana peel as a low-cost adsorption material for removing hexavalent chromium from tannery wastewater: optimization, kinetic and isotherm study, and regeneration aspects. RSC Adv 2024; 14:3675-3690. [PMID: 38268547 PMCID: PMC10805079 DOI: 10.1039/d3ra07476e] [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: 11/02/2023] [Accepted: 01/08/2024] [Indexed: 01/26/2024] Open
Abstract
When the concentration of hexavalent chromium (Cr(vi)) in the environment is greater than a certain limit, it becomes a global concern. Thus, the aim of this study was to use banana peel as an adsorbent to remove heavy metals, specifically Cr(vi) ions from wastewater. Banana peel (BP) was activated in a furnace for 2 h (h) at 450 °C and 50% humidity. Subsequently, the activated BP was characterized by proximate analysis, elemental analysis, scanning-electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Brunauer Emmett Teller (BET) analysis, and thermogravimetric analysis (TGA). According to the characterization results, the activated BP possessed a porous surface and high surface area of 200 m2 g-1, which are important adsorption parameters. Additionally, the removal efficiency for Cr(vi) was evaluated in terms of pH, contact time, initial concentration, and adsorbent dose. Consequently, the optimal operating conditions for removing 94% of Cr(vi) were found to be an adsorption time of 92 min, adsorbent dose of 1.5 g L-1, pH of 3, and initial Cr(vi) concentration of 38 mg L-1. In addition, the adsorption kinetics and isotherms were examined. The pseudo-first-order model with an R2 of 0.996 and the Langmuir isotherm with an R2 of 0.997 were found to be the most effective mathematical representations of the rate and nature of Cr(vi) adsorption on the surface of the activated BP, respectively. Furthermore, it was discovered that the activated BP could be reused six times before its removal efficiency was reduced to less than 70%.
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Affiliation(s)
- Bereket Ameha
- Department of Chemical Engineering, Faculty of Chemical and Food Engineering, Bahir Dar Institute of Technology, Bahir Dar University Bahir Dar Ethiopia
| | - Talbachew Tadesse Nadew
- Department of Chemical and Food Engineering, Kombolcha Institute of Technology, Wollo University Dessie Ethiopia
| | - Tsegaye Sissay Tedla
- Department of Chemical Engineering, College of Biological and Chemical Engineering, Addis Ababa Science and Technology University Addis Ababa Ethiopia
| | - Belay Getye
- Department of Industrial Chemistry, College of Applied Science, Addis Ababa Science and Technology University Addis Ababa Ethiopia
| | - Destaw Agumass Mengie
- Department of Chemical Engineering, Faculty of Chemical and Food Engineering, Bahir Dar Institute of Technology, Bahir Dar University Bahir Dar Ethiopia
| | - Shiferaw Ayalneh
- Department of Chemical Engineering, College of Biological and Chemical Engineering, Addis Ababa Science and Technology University Addis Ababa Ethiopia
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8
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Kumar K, Kumar R, Kaushal S, Thakur N, Umar A, Akbar S, Ibrahim AA, Baskoutas S. Biomass waste-derived carbon materials for sustainable remediation of polluted environment: A comprehensive review. CHEMOSPHERE 2023; 345:140419. [PMID: 37848104 DOI: 10.1016/j.chemosphere.2023.140419] [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: 04/21/2023] [Revised: 09/26/2023] [Accepted: 10/09/2023] [Indexed: 10/19/2023]
Abstract
In response to the growing global concern over environmental pollution, the exploration of sustainable and eco-friendly materials derived from biomass waste has gained significant traction. This comprehensive review seeks to provide a holistic perspective on the utilization of biomass waste as a renewable carbon source, offering insights into the production of environmentally benign and cost-effective carbon-based materials. These materials, including biochar, carbon nanotubes, and graphene, have shown immense promise in the remediation of polluted soils, industrial wastewater, and contaminated groundwater. The review commences by elucidating the intricate processes involved in the synthesis and functionalization of biomass-derived carbon materials, emphasizing their scalability and economic viability. With their distinctive structural attributes, such as high surface areas, porous architectures, and tunable surface functionalities, these materials emerge as versatile tools in addressing environmental challenges. One of the central themes explored in this review is the pivotal role that carbon materials play in adsorption processes, which represent a green and sustainable technology for the removal of a diverse array of pollutants. These encompass noxious organic compounds, heavy metals, and organic matter, encompassing pollutants found in soils, groundwater, and industrial wastewater. The discussion extends to the underlying mechanisms governing adsorption, shedding light on the efficacy and selectivity of carbon-based materials in different environmental contexts. Furthermore, this review delves into multifaceted considerations, spanning the spectrum from biomass and biowaste resources to the properties and applications of carbon materials. This holistic approach aims to equip researchers and practitioners with a comprehensive understanding of the synergistic utilization of these materials, ultimately facilitating effective and affordable strategies for combatting industrial wastewater pollution, soil contamination, and groundwater impurities.
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Affiliation(s)
- Kuldeep Kumar
- Department of Chemistry, Career Point University, Hamirpur, H.P., 176041, India; Centre for Nano-Science and Technology, Career Point University, Hamirpur, H.P., 176041, India.
| | - Ravi Kumar
- Department of Chemistry, Career Point University, Hamirpur, H.P., 176041, India; Centre for Nano-Science and Technology, Career Point University, Hamirpur, H.P., 176041, India
| | - Shweta Kaushal
- Department of Chemistry, Career Point University, Hamirpur, H.P., 176041, India; Centre for Nano-Science and Technology, Career Point University, Hamirpur, H.P., 176041, India
| | - Naveen Thakur
- Department of Physics, Career Point University, Hamirpur, H.P., 176041, India; Centre for Nano-Science and Technology, Career Point University, Hamirpur, H.P., 176041, India
| | - Ahmad Umar
- Department of Chemistry, College of Science and Arts and Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran, 11001, Kingdom of Saudi Arabia; Department of Materials Science and Engineering, The Ohio State University, Columbus, OH, 43210, USA.
| | - Sheikh Akbar
- Department of Materials Science and Engineering, The Ohio State University, Columbus, OH, 43210, USA
| | - Ahmed A Ibrahim
- Department of Chemistry, College of Science and Arts and Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran, 11001, Kingdom of Saudi Arabia
| | - Sotirios Baskoutas
- Department of Materials Science, University of Patras, 26500, Patras, Greece
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9
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Wei S, Chen W, Li Z, Liu Z, Xu A. Synthesis of cationic biomass lignosulfonate hydrogel for the efficient adsorption of Cr(VI) in wastewater with low pH. ENVIRONMENTAL TECHNOLOGY 2023; 44:2134-2147. [PMID: 34962213 DOI: 10.1080/09593330.2021.2024274] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 12/14/2021] [Indexed: 05/30/2023]
Abstract
In the present study, we synthesized a cationic lignosulfonate hydrogel (LS-g-P (AM-co-DAC)) by grafting acrylamide (AM) and acryloxyethyl trimethyl ammonium chloride (DAC) onto sodium lignosulfonate (LS) via free radical copolymerization. The solution pH, contact time, initial concentration, and temperature were comprehensively investigated through the static adsorption method for the adsorption behaviours of Cr(VI) by the hydrogel. The experimental results show that the best conditions were a temperature of 30°C, a dosage of 0.1 g, pH = 3, a concentration of 50 mg / L, and contact time = 2 h with removal efficiencies of above 70% and adsorption capacity of 18.14 mg·g-1. The adsorption process followed the Langmuir isothermal model, indicating monolayer adsorption, and the maximum adsorption capacity was 58.86 mg·g-1. Adsorption kinetics results show that the pseudo-second-order kinetic model dominated the adsorption process, and the adsorption activation energy was 5.489 kJ·mol-1. In addition, the adsorption involved spontaneous exothermic and entropy reduction. The combination of FT-IR, SEM, and XRD was used to characterize the structure and properties of the prepared hydrogel, and the adsorption mechanism was the result of electrostatic attraction, physical and chemical adsorption, and hydrogen bond. The hydrogel has good regenerative properties after desorption. Overall, this work synthesized an environmentally friendly biomass lignin-based hydrogel, which can be used as an adsorbent for the treatment of anionic pollutants, and explored a new method for the high-value utilization of industrial lignin.HighlightsNovel cationic lignosulfonate hydrogel (LS-g-P (AM-co-DAC)) was synthesized by a free radical method.SEM and XRD results confirmed the surface of the obtained hydrogel shows a 3D network structure and does not have a crystal structure.LS-g-P (AM-co-DAC) hydrogel adsorbent can selectively adsorb Cr6+ at pH 3.0.The adsorption conditions and the adsorption mechanism were studied in detail.Electrostatic interaction plays a key role in the adsorption of Cr6+.
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Affiliation(s)
- Shuxia Wei
- College of Chemistry and Chemical Engineering, Guangxi University, Nanning People's Republic of China
| | - Wu Chen
- School of Chemistry and Environmental Engineering, Yangtze University, Jingzhou People's Republic of China
| | - Zhili Li
- College of Chemistry and Chemical Engineering, Guangxi University, Nanning People's Republic of China
| | - Zhuozhuang Liu
- School of Chemistry and Environmental Engineering, Yangtze University, Jingzhou People's Republic of China
| | - Ao Xu
- School of Chemistry and Environmental Engineering, Yangtze University, Jingzhou People's Republic of China
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10
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Kumar R, Basu A, Bishayee B, Chatterjee RP, Behera M, Ang WL, Pal P, Shah M, Tripathy SK, Ambika S, Janani VA, Chakrabortty S, Nayak J, Jeon BH. Management of tannery waste effluents towards the reclamation of clean water using an integrated membrane system: A state-of-the-art review. ENVIRONMENTAL RESEARCH 2023; 229:115881. [PMID: 37084947 DOI: 10.1016/j.envres.2023.115881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 01/13/2023] [Accepted: 04/09/2023] [Indexed: 05/03/2023]
Abstract
Tanning and other leather processing methods utilize a large amount of freshwater, dyes, chemicals, and salts and produce toxic waste, raising questions regarding their environmental sensitivity and eco-friendly nature. Total suspended solids, total dissolved solids, chemical oxygen demand, and ions such as chromium, sulfate, and chloride turn tannery wastewater exceedingly toxic for any living species. Therefore, it is imperative to treat tannery effluent, and existing plants must be examined and upgraded to keep up with recent technological developments. Different conventional techniques to treat tannery wastewater have been reported based on their pollutant removal efficiencies, advantages, and disadvantages. Research on photo-assisted catalyst-enhanced deterioration has inferred that both homogeneous and heterogeneous catalysis can be established as green initiatives, the latter being more efficient at degrading organic pollutants. However, the scientific community experiences significant problems developing a feasible treatment technique owing to the long degradation times and low removal efficiency. Hence, there is a chance for an improved solution to the problem of treating tannery wastewater through the development of a hybrid technology that uses flocculation as the primary treatment, a unique integrated photo-catalyst in a precision-designed reactor as the secondary method, and finally, membrane-based tertiary treatment to recover the spent catalyst and reclaimable water. This review gives an understanding of the progressive advancement of a cutting-edge membrane-based system for the management of tanning industrial waste effluents towards the reclamation of clean water. Adaptable routes toward sludge disposal and the reviews on techno-economic assessments have been shown in detail, strengthening the scale-up confidence for implementing such innovative hybrid systems.
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Affiliation(s)
- Ramesh Kumar
- Department of Earth Resources & Environmental Engineering, Hanyang University, 222-Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea
| | - Aradhana Basu
- School of Sustainability, XIM University, Bhubaneswar, 752050, India
| | - Bhaskar Bishayee
- EEG Lab, CSIR-Central Mechanical Engineering Research Institute, Durgapur, 713209, West Bengal, India
| | - Rishya Prava Chatterjee
- EEG Lab, CSIR-Central Mechanical Engineering Research Institute, Durgapur, 713209, West Bengal, India
| | - Meeraambika Behera
- School of Chemical Technology, Kalinga Institute of Industrial Technology, Bhubaneswar, 751024, India
| | - Wei Lun Ang
- Department of Chemical and Process Engineering, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Selangor Darul Ehsan, Malaysia
| | - Parimal Pal
- Department of Chemical Engineering, NIT Durgapur, M.G Avenue, Durgapur, 713209, India
| | - Maulin Shah
- Environmental Microbiology Lab, Ankelswar, Gujarat, India
| | - Suraj K Tripathy
- School of Chemical Technology, Kalinga Institute of Industrial Technology, Bhubaneswar, 751024, India; School of Biotechnology, Kalinga Institute of Industrial Technology, Bhubaneswar, 751024, India
| | - Selvaraj Ambika
- Department of Civil Engineering, Indian Institute of Technology Hyderabad, Telangana, 502285, India
| | - V Aruna Janani
- Department of Chemical Engineering, Kalasalingam Academy of Research and Education, Tamil Nadu, 626126, India
| | - Sankha Chakrabortty
- School of Chemical Technology, Kalinga Institute of Industrial Technology, Bhubaneswar, 751024, India; School of Biotechnology, Kalinga Institute of Industrial Technology, Bhubaneswar, 751024, India.
| | - Jayato Nayak
- Center for Life Science, Mahindra University, Hyderabad, India.
| | - Byong-Hun Jeon
- Department of Earth Resources & Environmental Engineering, Hanyang University, 222-Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea.
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11
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Yang M, Zhang D, Chu W. Adsorption of highly toxic chlorophenylacetonitriles on typical microplastics in aqueous solutions: Kinetics, isotherm, impact factors and mechanism. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 880:163261. [PMID: 37023804 DOI: 10.1016/j.scitotenv.2023.163261] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 03/04/2023] [Accepted: 03/31/2023] [Indexed: 04/14/2023]
Abstract
Microplastics (MPs) widely exist in all kinds of water bodies. The physical and chemical properties of MPs make them easy to become the carrier of pollutants, but the interaction between disinfection by-products (DBPs) and MPs has not been studied yet. In this study, the occurrence of emerging high-toxic chlorophenylacetonitriles (CPANs) in wastewater treatment plant (WWTP) effluents was determined. CPANs ubiquitously existed in WWTP effluents, and the concentration ranged from 88 ± 5 ng/L to 219 ± 16 ng/L. The typical MPs (i.e., polyethylene (PE), polyethylene terephthalate (PET), and polystyrene (PS)) were selected to study their adsorption of CPANs. Adsorption kinetics and isotherm analysis were carried out. The maximum Langmuir adsorption capacities were 8.602 ± 0.849 to 9.833 ± 0.946 μg/g for PE, 13.340 ± 1.055 to 29.405 ± 5.233 μg/g for PET, and 20.537 ± 1.649 to 43.597 ± 1.871 for PS. Dichloro-CPANs had higher adsorption capacity than monochloro-CPANs. After that, the specific surface area, contact angle, FTIR spectrum, crystallinity, and glass transition temperature (Tg) of MPs were measured. Based on the analysis of the properties of both MPs and CPANs, the mechanism of adsorption was studied. The adsorption of CPANs on PE was mainly affected by pore-filling and van der Waals force. In addition to these two factors, the adsorption of PET was also affected by hydrophobic interaction. Due to the substituents on the benzene ring, there was π-π interaction between PS and CPANs, which might be the reason why PS had the highest adsorption capacity for CPANs. Finally, the effects of pH and dissolved organic matter were studied, and their effects were relatively limited. The results indicated that MPs may adsorb CPANs in actual WWTP effluents, and special attention should be paid to the possible impacts on the aquatic environment caused by the transfer of CPANs on MPs.
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Affiliation(s)
- Mansu Yang
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Di Zhang
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Wenhai Chu
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
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12
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Ramirez Arenas L, Le Coustumer P, Ramseier Gentile S, Zimmermann S, Stoll S. Removal efficiency and adsorption mechanisms of CeO 2 nanoparticles onto granular activated carbon used in drinking water treatment plants. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 856:159261. [PMID: 36208736 DOI: 10.1016/j.scitotenv.2022.159261] [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: 06/22/2022] [Revised: 09/29/2022] [Accepted: 10/02/2022] [Indexed: 06/16/2023]
Abstract
The presence of NPs in drinking water resources raises a global concern on their potential risk for human health, and whether or not drinking water treatment plants are able to effectively remove NPs to prevent their ingestion by humans. In this study, we investigate the efficiency of granular activated carbon (GAC), commonly used in conventional municipal water treatment processes, for the removal of CeO2 NPs. In ultrapure water, NPs are found to have a good affinity for GAC and results indicate an increase in the adsorption capacity from 0.62 ± 0.10 to 5.05 ± 0.51 mg/g, and removal efficiency from 35 % ± 4 to 54 % ± 5 with increasing NPs concentration. Kinetic studies reveal that intraparticle diffusion is not the only rate controlling step indicating that mass transfer effect is also playing a role. Adsorption mechanisms are mainly controlled by the electrostatic attractions between the positively charged NPs and negatively charged GAC. Although electrostatic conditions in Lake Geneva water are less favorable for NPs adsorption, the adsorption capacity and removal efficiency are higher than in ultrapure water with values raising from 0.41 ± 0.17 to 7.13 ± 1.13 mg/g and 26 % ± 8 to 75 % ± 11, respectively. Furthermore, the external mass transfer process onto GAC surface is more important than for ultrapure water. NPs adsorption mechanism is explained by the presence of divalent cations and natural organic matter (NOM) which promote the formation of CeO2 NPs-NOM-divalent cation heteroaggregates increasing both adsorption and removal efficiency by cation bridging.
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Affiliation(s)
- Lina Ramirez Arenas
- Group of Environmental Physical Chemistry, Department F.-A. Forel for environmental and aquatic sciences, University of Geneva, Uni Carl Vogt, 66, boulevard Carl-Vogt, CH-1211 Geneva 4, Switzerland.
| | - Philippe Le Coustumer
- EA CNRS 4592 Géoressources & Environnement, Université Bordeaux Montaigne, 1 allée F. Daguin, F-3607 Pessac, France; CNRS-INRA-Université de Bordeaux UMS 3420, Bordeaux Imaging Center, 146 rue Léo Saignat, CS 61292, F-33076 Bordeaux, France
| | | | - Stéphane Zimmermann
- SIG, Industrial Boards of Geneva, Ch. du Château-Bloch, Le Lignon, 1211 Genève 2, Switzerland
| | - Serge Stoll
- Group of Environmental Physical Chemistry, Department F.-A. Forel for environmental and aquatic sciences, University of Geneva, Uni Carl Vogt, 66, boulevard Carl-Vogt, CH-1211 Geneva 4, Switzerland.
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13
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Neolaka YA, Riwu AA, Aigbe UO, Ukhurebor KE, Onyancha RB, Darmokoesoemo H, Kusuma HS. Potential of activated carbon from various sources as a low-cost adsorbent to remove heavy metals and synthetic dyes. RESULTS IN CHEMISTRY 2023. [DOI: 10.1016/j.rechem.2022.100711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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14
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The Application of the Activated Carbon from Cordia africana Leaves for Adsorption of Chromium (III) from an Aqueous Solution. J CHEM-NY 2022. [DOI: 10.1155/2022/4874502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The objective of this study is to investigate the adsorption performance of activated carbon derived from the leaves of Cordia africana for the removal of Cr (III) from an aqueous solution. The plant sample was collected, washed, dried, grounded, and sieved at 125 μm mesh size. Adsorbent activation was done using H3PO4 at concentrations of 25–85% and pyrolysis temperature of 400–500°C. The activated carbon was characterized by proximate, SEM, BET, and FTIR analyses. A batch adsorption study was conducted to determine the effect of contact time, adsorbent dose, initial chromium concentration, and mixing speed on Cr (III) removal. The regeneration of the activated carbon was investigated by using 1 M of HNO3 as a desorbing solution for seven cycles. At optimum acid concentration and pyrolysis temperature, a surface area of 700 m2/g was recorded. The moisture content, volatile matter, ash composition, fixed carbon, and bulk density of the activated carbon were found to be 5.3%, 24.2%, 6.2%, 64.3%, and 0.75 g/mL, respectively. The SEM and FTIR analyses indicated that the surface morphology was full of cracks and different peaks were associated with plenty of functional groups, respectively. The maximum Cr (III) removal was attained at a contact time of 180 min (89%), adsorbent dose of 1.5 g (54%), initial concentration of 0.6 g/L (47%), and mixing speed of 300 rpm (64%). The equilibrium data were better described by Freundlich isotherm at R2 value of 0.88, which implies that the adsorption process is conducted on a heterogeneous surface. The pseudo-first-order kinetics model with R2 value of 0.99 best fits with the equilibrium data, which implies that physisorption controls the adsorption kinetics. Generally, it can be concluded that this locally prepared adsorbent is promising for the removal of chromium from industrial wastewater, but further factorial approach assessment has to be checked.
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15
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Surface modification of activated carbon cloth with calcium silicate and hydroxyapatite: bioactive composite material. Heliyon 2022; 8:e11586. [DOI: 10.1016/j.heliyon.2022.e11586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 04/05/2022] [Accepted: 11/07/2022] [Indexed: 11/15/2022] Open
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16
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Zahmatkesh S, Bokhari A, Karimian M, Zahra MMA, Sillanpää M, Panchal H, Alrubaie AJ, Rezakhani Y. A comprehensive review of various approaches for treatment of tertiary wastewater with emerging contaminants: what do we know? ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:884. [PMID: 36239735 PMCID: PMC9561337 DOI: 10.1007/s10661-022-10503-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 09/13/2022] [Indexed: 05/23/2023]
Abstract
In the last few decades, environmental contaminants (ECs) have been introduced into the environment at an alarming rate. There is a risk to human health and aquatic ecosystems from trace levels of emerging contaminants, including hospital wastewater (HPWW), cosmetics, personal care products, endocrine system disruptors, and their transformation products. Despite the fact that these pollutants have been introduced or detected relatively recently, information about their characteristics, actions, and impacts is limited, as are the technologies to eliminate them efficiently. A wastewater recycling system is capable of providing irrigation water for crops and municipal sewage treatment, so removing ECs before wastewater reuse is essential. Water treatment processes containing advanced ions of biotic origin and ECs of biotic origin are highly recommended for contaminants. This study introduces the fundamentals of the treatment of tertiary wastewater, including membranes, filtration, UV (ultraviolet) irradiation, ozonation, chlorination, advanced oxidation processes, activated carbon (AC), and algae. Next, a detailed description of recent developments and innovations in each component of the emerging contaminant removal process is provided.
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Affiliation(s)
- Sasan Zahmatkesh
- Department of Chemical Engineering, University of Science and Technology of Mazandaran, P.O. Box, Behshahr, 48518-78195 Iran
- Tecnologico de Monterrey, Escuela de Ingenieríay Ciencias, Puebla, Mexico
| | - Awais Bokhari
- Sustainable Process Integration Laboratory, Faculty of Mechanical Engineering, SPIL, NETME Centre, Brno University of Technology, VUT Brno, Technická 2896/2, 616 00, Brno, Czech Republic
- Chemical Engineering Department, COMSATS University Islamabad (CUI), Lahore Campus, Lahore, Punjab, 54000 Pakistan
| | - Melika Karimian
- Faculty of Civil Engineering, Architecture and Urban Planning, University of Eyvanekey, Eyvanki, Iran
| | | | - Mika Sillanpää
- Faculty of Science and Technology, School of Applied Physics, University Kebangsaan Malaysia, 43600 Bangi, Selangor Malaysia
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, Solan, 173212 Himachal Pradesh India
- Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P. O. Box 17011, Doornfontein, 2028 South Africa
| | - Hitesh Panchal
- Mechanical Engineering Department, Government Engineering College Patan, Patan, Gujarat India
| | - Ali Jawad Alrubaie
- Department of Medical Instrumentation Techniques Engineering, Al-Mustaqbal University College, 51001 Hilla, Iraq
| | - Yousof Rezakhani
- Department of Civil Engineering, Pardis Branch, Islamic Azad University, Pardis, Iran
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17
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Liang L, Wang J, Tong X, Zhang S. Enhanced adsorptive removal of Cr(III) from the complex solution by NTA-modified magnetic mesoporous microspheres. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:45623-45634. [PMID: 35147887 DOI: 10.1007/s11356-022-19039-8] [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: 09/23/2021] [Accepted: 01/30/2022] [Indexed: 06/14/2023]
Abstract
The Fe3O4@nSiO2@mSiO2/NTA (FNMs-NTA) was prepared by grafting magnetic mesoporous microspheres with nitrilotriacetic acid (NTA) and applied as an adsorbent for the removal of Cr(III) from complex solutions. Some characterization techniques including Brunauer-Emmett-Teller (BET), Fourier transform infrared spectrometer (FT-IR), X-ray diffraction (XRD), small-angle X-ray diffraction (SAXS), vibrating sample magnetometer (VSM), and thermal gravimetric analysis (TGA) were used to characterize functional groups and pore structure of FNMs-NTA, which proved that NTA was successfully decorated onto the magnetic Fe3O4@nSiO2@mSiO2 (FNMs) and FNMs-NTA featured a regular mesoporous structure. The batch adsorption of Cr(III) by FNMs-NTA exhibited high adsorption capacity (16.0 mg·g-1 at pH 3.0, and 25 °C). Adsorption data followed Freundlich isotherm and adsorption process was a spontaneous adsorption process. Moreover, the kinetics of adsorption were well explained by pseudo-second-order kinetic model. FNMs-NTA showed resistance to interfering inorganic cations (Na+, Ca2+) and complexing agents (EDTA). Furthermore, FNMs-NTA exhibited remarkable regeneration performance and easy separation under external magnetic field. X-ray photoelectron spectroscopy (XPS) analysis showed the FNMs-NTA had excellent adsorption ability for Cr(III) because of the ion exchange and surface complexation.
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Affiliation(s)
- Linqing Liang
- School of Environmental Science and Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China
| | - Jiahong Wang
- School of Environmental Science and Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China.
- Zhejiang Wenzhou Research Institute of Light Industry, Wenzhou, 325003, Zhejiang, China.
| | - Xinhao Tong
- School of Environmental Science and Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China
| | - Shutong Zhang
- School of Environmental Science and Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China
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18
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Zhao J, Wu Q, Tang Y, Zhou J, Guo H. Tannery wastewater treatment: conventional and promising processes, an updated 20-year review. JOURNAL OF LEATHER SCIENCE AND ENGINEERING 2022. [DOI: 10.1186/s42825-022-00082-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
AbstractMismanagement of various wastes especially waste water produced by tanning processes has caused serious environmental problems and ultimately impaired human health. Constant efforts have been making to alleviate the pollution of tannery wastewater (TWW), yet terminal treatment still takes dominance. In this review, research on TWW treatment from 2000 to 2021 was summarized, and main methods such as coagulation and flocculation, adsorption, biological treatment, membrane filtration, advanced oxidation process were briefly discussed. More detailed introduction was given to the method of electrochemical treatment since it has excellent performance such as environmental friendliness and high efficiency, hence attracting more and more research attention in recent years. In view of the harsh physi-chemical conditions of TWW, integrated or combined treatment methods are accordingly recommended with better performance and multi-function, however comprehensive studies on optimization of methods combination and cost-effectiveness are needed. The certain issues that the residue Cr in treatment sludge and high salinity in effluent still remain were put forward in this work and potential solutions were provided. Moreover, this review proposed the perspective that realizing multi-function, recycling, and intensification should be the developing direction for future TWW treatment. This review is expected to provide a general guide for researchers who aspire to ameliorate TWW pollution problems and understand various methods utilized in this field.
Graphical abstract
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19
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Venkataraman A, Babu L, Aravamudan K. Unified, simple and decentralized treatment process for synthetic and real-time dye contaminated wastewaters. JOURNAL OF HAZARDOUS MATERIALS 2022; 423:127059. [PMID: 34547690 DOI: 10.1016/j.jhazmat.2021.127059] [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: 06/12/2021] [Revised: 08/09/2021] [Accepted: 08/26/2021] [Indexed: 06/13/2023]
Abstract
The aim of this study is to develop a simple, economical and effective treatment scheme to treat effluents from small scale textile dyeing units and tanneries, which have been set up in rural areas. The physicochemical properties of real time effluents procured from these industries were analysed. The workflow required for treating these effluents were ascertained by preliminary tests carried out on synthetically created solutions. A novel treatment scheme for tannery and textile dye effluents sludge volume reduction by the use of sodium hypochlorite was identified. Effective methods for the safe disposal and recycling of all the by-products generated from different steps were discussed. The proposed scheme was successfully able to decolourize and detoxify both the tannery and textile dyeing effluent with over 90% removal of both COD and BOD. The impacts of the treatment scheme on 14 different effluent parameters were reported. The methodology developed in this study may be utilized to construct simple localized treatment units for handling effluents in isolated rural areas. This preliminary treatment at the source, will help in the reduction of the load on the local treatment plants and prevent their choking.
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Affiliation(s)
- Anush Venkataraman
- Department of Chemical Engineering, Rajalakshmi Engineering College, Chennai 602105, India
| | - Lokesh Babu
- Department of Chemical Engineering, Rajalakshmi Engineering College, Chennai 602105, India
| | - Kannan Aravamudan
- Department of Chemical Engineering, Indian Institute of Technology Madras, Chennai 600036, India.
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20
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Liu J, Chen J, Yang J, Xu X, Li R, Huang YG, Chen S, Ye X, Wang W. K +-Site Ce-Doped Jarosite for Phosphate Adsorption: a Mechanism Study ※. ACTA CHIMICA SINICA 2022. [DOI: 10.6023/a21120603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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21
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Chitosan-zirconia microballs for proficient removal of chromate and phosphate ions from water bodies. J CHEM SCI 2021. [DOI: 10.1007/s12039-021-01975-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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22
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Hu M, Hou N, Li Y, Liu Y, Zhang H, Zeng D, Tan H. The effect of microplastics on behaviors of chiral imidazolinone herbicides in the aquatic environment: Residue, degradation and distribution. JOURNAL OF HAZARDOUS MATERIALS 2021; 418:126176. [PMID: 34102352 DOI: 10.1016/j.jhazmat.2021.126176] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/07/2021] [Accepted: 05/18/2021] [Indexed: 06/12/2023]
Abstract
The pollution of aquatic environments by microplastics and herbicides has become a global concern. This study was focused on imazamox, imazapic, and imazethapyr sorption to polypropylene microplastics in water. And the potential effects of microplastics on herbicide enantiomer degradation and distributions in water, sediment, and water-sediment microcosms were investigated. Adsorption experiment results indicated that herbicide sorption to microplastics involved both chemisorption and physical adsorption. Degradation experiment results indicated that microplastics could markedly increase herbicide persistence in water and sediment. Marked stereoselective degradation was not found for the three herbicides in water and sediment, but stereoselective degradation of imazapic in water containing microplastics was found. The water-sediment microcosms experiment results indicated that microplastics have significant effect on stereoselectivity degradation and distribution in water and water-sediment microcosms for imazapic, and have little effect on stereoselectivity behaviors of imazamox and imazethapyr in water-sediment systems. Furthermore, the microcosm experiment results also indicated that herbicides can partition between water and microplastics and that microplastics could affect herbicide persistence and distributions in aquatic environments. The present study provides new insights into the fate of chiral pollutants in aquatic environments containing microplastics, and contributes to understanding behaviors of herbicides and microplastics in aquatic environments.
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Affiliation(s)
- Mingfeng Hu
- Guangxi key laboratory of Agric-Environment and Agric-products Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning, Guangxi 530004, People's Republic of China
| | - Ning Hou
- Guangxi key laboratory of Agric-Environment and Agric-products Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning, Guangxi 530004, People's Republic of China
| | - Yuanfu Li
- Guangxi key laboratory of Agric-Environment and Agric-products Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning, Guangxi 530004, People's Republic of China
| | - Yanmei Liu
- Guangxi key laboratory of Agric-Environment and Agric-products Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning, Guangxi 530004, People's Republic of China
| | - Hui Zhang
- Guangxi key laboratory of Agric-Environment and Agric-products Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning, Guangxi 530004, People's Republic of China
| | - Dongqiang Zeng
- Guangxi key laboratory of Agric-Environment and Agric-products Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning, Guangxi 530004, People's Republic of China
| | - Huihua Tan
- Guangxi key laboratory of Agric-Environment and Agric-products Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning, Guangxi 530004, People's Republic of China.
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23
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Siciliano A, Curcio GM, Limonti C. Hexavalent chromium reduction by zero-valent magnesium particles in column systems. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 293:112905. [PMID: 34089953 DOI: 10.1016/j.jenvman.2021.112905] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 04/30/2021] [Accepted: 05/25/2021] [Indexed: 06/12/2023]
Abstract
The discharge of hexavalent chromium in aquatic environments represents an issue of great concern. The chemical reduction of Cr6+ to Cr3+, which is less mobile and harmful, is a suitable approach for chromium removal. In this regard, in comparison to other reactive metals, the use of zero-valent magnesium (ZVM) has several advantages. Nevertheless, this element has been scarcely investigated in the decontamination of water and wastewater. In particular, no studies have been conducted by applying Mg0 particles fixed in column systems for Cr6+ reduction. In the present study, a wide experimental investigation was carried out to analyse the chromium abatement through zero valent magnesium particles in a packed batch column. The effects of pH, initial Cr6+ concentration and temperature were investigated. The experimental results proved that the process performances were mainly affected by pH values. High efficiencies were detected at pH 3, while unsatisfactory abatements were observed at pH 5 and under uncontrolled pH conditions. At pH 3, the process performance worsened with the rise in the initial chromium concentration. In particular, a complete abatement was detected in 180 min by treating solutions with initial Cr6+ concentrations up to 40 mg/L. The effect of temperature was negligible at pH 3 and under uncontrolled pH, while the increase from 20 to 30 and 40 °C produced a significant improvement in the removal yields at pH 5. By means of a kinetic analysis a theoretical law able to accurately describe the experimental removal trends was identified. Furthermore, a mathematical relation between the observed kinetic constants and the magnesium to initial chromium amount ratio was defined. Finally, the reaction pathways were proposed, and the reaction products identified.
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Affiliation(s)
- Alessio Siciliano
- Laboratory of Sanitary and Environmental Engineering, Department of Environmental Engineering, University of Calabria, P. Bucci, 87036, Arcavacata di Rende, CS, Italy.
| | - Giulia Maria Curcio
- Laboratory of Sanitary and Environmental Engineering, Department of Environmental Engineering, University of Calabria, P. Bucci, 87036, Arcavacata di Rende, CS, Italy
| | - Carlo Limonti
- Laboratory of Sanitary and Environmental Engineering, Department of Environmental Engineering, University of Calabria, P. Bucci, 87036, Arcavacata di Rende, CS, Italy
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24
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The Use of Sugarcane Bagasse to Remove the Organic Dyes from Wastewater. Int J Anal Chem 2021; 2021:5570806. [PMID: 34257663 PMCID: PMC8261189 DOI: 10.1155/2021/5570806] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 06/01/2021] [Accepted: 06/14/2021] [Indexed: 11/18/2022] Open
Abstract
In the present study, the potential of sugarcane bagasse (SCB) was evaluated by methylene blue (MB) retention. The selected low-cost adsorbent was characterized by scanning electron microscopy (SEM) coupled with energy-dispersive X-ray spectroscopy (EDX), Fourier transform infrared spectroscopy (FTIR), BET method, and determination of the point of zero charge (pHzpc). Batch kinetic and isothermal studies were performed to examine the effects of contact time, initial dye concentration, adsorbent dose, pH, and temperature. The results show that the kinetic study of MB adsorption on sugarcane bagasse is very fast; the equilibrium is reached after only 20 minutes. The kinetic model of pseudo-second-order and the Langmuir isotherm model perfectly explain the adsorption process of MB with a monolayer adsorption capacity equal to 49.261 mg·g-1 activation parameters' values such as free energy (ΔG°), enthalpy (ΔH°), and entropy (ΔS°) also determined as -4.35 kJ·mol-1, -31.062 kJ·mol-1, and -0.084 J·mol-1·K-1, respectively. Besides, the thermodynamic parameters of the methylene blue sugarcane bagasse system indicate that the exothermic adsorption process is spontaneous.
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25
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Hu M, Liu L, Hou N, Li X, Zeng D, Tan H. Insight into the adsorption mechanisms of ionizable imidazolinone herbicides in sediments: Kinetics, adsorption model, and influencing factors. CHEMOSPHERE 2021; 274:129655. [PMID: 33545587 DOI: 10.1016/j.chemosphere.2021.129655] [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: 10/26/2020] [Revised: 12/31/2020] [Accepted: 01/13/2021] [Indexed: 06/12/2023]
Abstract
To reveal the adsorption mechanisms of imazamox, imazapic, and imazethapyr on sediment and batch experiments were carried out in this study. The adsorption kinetics of three imidazolinone herbicides on sediment were accurately described by the pseudo-second-order kinetic model(R2 > 0.9004). The values of adsorption capacity (Qe.cal) were ranged from 0.0183 to 0.0859 mg kg-1 for three herbicides. Adsorption equilibrium was reached within 24 h for three herbicides on sediment, and well fitted by the Freundlich model(R2 > 0.9561). The KF of values for adsorption obtained sediment samples were ranged from 0.2501 to 1.322 L1/n mg1-1/n kg-1for three herbicides. These results indicated that intraparticle diffusion and external mass transport were the main rate controlling steps of the adsorption of herbicides on sediment and that the chemical adsorption was dominant during the adsorption processes. The calculated hysteresis coefficient H were 0.9422,0.7877 and 0.744 for imazmox, imazapic and imazethapyr in raw sediment, respectively, indicating that there is a hysteresis in desorption. The influences of solution pH and sediment organic carbon content on the imidazolinone herbicide adsorption behaviors were also examined. Which shown that the adsorption process for herbicides was highly pH-dependent and adsorption efficiency was closely related to the organic matter content of the sediment, suggesting that electrostatic interactions played crucial roles in the adsorption behavior between sediment and imidazolinone herbicides, and the herbicides were mostly absorbed by the amorphous materials of sediment. These research findings are important for assessing the fate and transport of imidazolinone herbicides in water-sediment systems.
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Affiliation(s)
- Mingfeng Hu
- Guangxi Key Laboratory of Agric-Environment and Agric-products Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning, Guangxi, 530004, China.
| | - Li Liu
- Guangxi Key Laboratory of Agric-Environment and Agric-products Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning, Guangxi, 530004, China.
| | - Ning Hou
- Guangxi Key Laboratory of Agric-Environment and Agric-products Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning, Guangxi, 530004, China.
| | - Xuesheng Li
- Guangxi Key Laboratory of Agric-Environment and Agric-products Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning, Guangxi, 530004, China.
| | - Dongqiang Zeng
- Guangxi Key Laboratory of Agric-Environment and Agric-products Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning, Guangxi, 530004, China.
| | - Huihua Tan
- Guangxi Key Laboratory of Agric-Environment and Agric-products Safety, National Demonstration Center for Experimental Plant Science Education, College of Agriculture, Guangxi University, Nanning, Guangxi, 530004, China.
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Bayuo J. An extensive review on chromium (vi) removal using natural and agricultural wastes materials as alternative biosorbents. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2021; 19:1193-1207. [PMID: 34150305 PMCID: PMC8172654 DOI: 10.1007/s40201-021-00641-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 02/18/2021] [Indexed: 05/30/2023]
Abstract
Several conventional techniques for heavy metals decontamination for instance ion exchange, evaporation, precipitation and electroplating have been utilized in preceding years. Though these techniques have some drawbacks, adsorption using low-cost biosorbents is environmentally friendly. In this study, the potential of several natural and agricultural wastes as economical biosorbents for the reduction of Cr(VI) ions from polluted water has been reviewed. The application of adsorption models, as well as the impact of adsorption factors on heavy metals eradication, has been considered in this review. The study revealed that efficient reduction of Cr(VI) from water and wastewaters is highly dependent on the pH of the solution, shaking time, adsorbent type, initial concentration and temperature. The review of the relevant literature indicates that the maximum removal efficiency of Cr(VI) using the various low-cost adsorbents ranged from 50.0-100.0% with optimum pH and contact time ranging from 2.0-6.0 and 30.0-180.0 min, respectively at room temperature (25.0 °C). Furthermore, considering all the studies reviewed, the pseudo-second-kinetics and Langmuir isotherm are the dominant models that best described the Cr(VI) equilibrium data. The thermodynamic parameters suggested that the biosorption of Cr(VI) on the biosorbents was spontaneous, realistic and endothermic at the temperature range of 30.0-45.0 °C. It is found that the natural and agricultural wastes as cheap biosorbents are feasible replacements to commercial activated carbons for metal-contaminated water treatment. However, gaps have been identified to improve applicability, regeneration, reuse and safe discarding of the laden adsorbents, optimization and commercialization of suitable agricultural adsorbents.
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Affiliation(s)
- Jonas Bayuo
- Department of Science and Mathematics Education, C. K. Tedam University of Technology and Applied Sciences, Postal Box 24, Navrongo, Upper East Region Ghana
- Department of Applied Chemistry and Biochemistry, C. K. Tedam University of Technology and Applied Sciences, Postal Box 24, Navrongo, Upper East Region Ghana
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Bao ZZ, Chen ZF, Zhong Y, Wang G, Qi Z, Cai Z. Adsorption of phenanthrene and its monohydroxy derivatives on polyvinyl chloride microplastics in aqueous solution: Model fitting and mechanism analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 764:142889. [PMID: 33138997 DOI: 10.1016/j.scitotenv.2020.142889] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/28/2020] [Accepted: 10/03/2020] [Indexed: 06/11/2023]
Abstract
The pervasiveness of microplastics, which can absorb pollutants, has a certain impact on pollutant migration in natural waters. Differences in functional groups, such as the hydroxyl group, of pollutants will affect their adsorption on microplastics. In this study, the adsorption of phenanthrene (PHE) or its monohydroxy derivatives, including 1-hydroxyphenanthrene (1-OHP), 2-hydroxyphenanthrene (2-OHP), 4-hydroxyphenanthrene (4-OHP), and 9-hydroxyphenanthrene (9-OHP), on polyvinyl chloride (PVC, measured mean particle size = 134 μm) microplastics was studied. The adsorption efficiency of PHE was shown to be higher than that of either of OHPs. A better fit for pseudo-second-order and Freundlich isotherm models was obtained, indicating different binding sites on the surface of PVC microplastics. The adsorption processes of PHE and OHPs on PVC microplastics were demonstrated to be exothermic and spontaneous. Combined with FT-IR analysis, theoretical calculation, and comparative adsorption experiments, hydrophobic interaction was the dominant mechanism during the adsorption process. In contrast, electrostatic repulsion, CH/π interaction, and halogen bonding played a minor role, to an extent, in the adsorption of PHE/OHPs on PVC microplastics. These findings indicate the influence of the hydroxyl group on adsorption and improve the understanding of interactions between PVC microplastics and PHE/OHPs.
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Affiliation(s)
- Zhen-Zong Bao
- Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China
| | - Zhi-Feng Chen
- Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China.
| | - Yuanhong Zhong
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Guangzhao Wang
- Key Laboratory of Extraordinary Bond Engineering and Advanced Materials Technology of Chongqing, School of Electronic Information Engineering, Yangtze Normal University, Chongqing 408100, China
| | - Zenghua Qi
- Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China
| | - Zongwei Cai
- Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China; State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong Special Administrative Region, China.
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28
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Li S, Ma R, Zhu X, Liu C, Li L, Yu Z, Chen X, Li Z, Yang Y. Sorption of tetrabromobisphenol A onto microplastics: Behavior, mechanisms, and the effects of sorbent and environmental factors. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 210:111842. [PMID: 33421717 DOI: 10.1016/j.ecoenv.2020.111842] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 12/14/2020] [Accepted: 12/19/2020] [Indexed: 06/12/2023]
Abstract
Microplastics (MPs) and halogenated organic pollutants coexist in ambient water and MPs tend to sorb organic pollutants from surrounding environments. Herein, a study on the sorption behavior of tetrabromobisphenol-A (TBBPA) onto four different MPs, namely, polyethylene (PE), polypropylene (PP), polystyrene (PS), and polyvinyl chloride (PVC) was carried out. Effects of MPs properties and environmental factors, including the type, surface charge and pore volume as well as the ionic strength (Ca2+) and humic acid (HA) on the sorption of TBBPA were discussed. Results showed that the sorption of TBBPA onto the MPs could reached an equilibrium within 24 h, and the sorption capacities decreased in the following order -PVC (101.85 mg kg-1) >PS (78.95 mg kg-1) >PP (58.57 mg kg-1) >PE (49.43 mg kg-1). Adsorption kinetics data fitted by intraparticle diffusion model revealed both surface sorption and intraparticle diffusion contributed, in the interfacial diffusion stage approximately 11-29% of TBBPA slowly diffused onto the surface of the MPs, and finally, in the intraparticle diffusion stage. The increase of Ca2+ concentration could promote the sorption of TBBPA by PE, PP, and PS, but no significant alteration for PVC. For all the four MPs, HA was found to exert a negative effect on TBBPA sorption. The adsorption was mainly driven by hydrophobic partition and electrostatic interactions.
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Affiliation(s)
- Shengsheng Li
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, Center for Environmental Health Research, South China Institute of Environmental Sciences, The Ministry of Ecological and Environment of PR China, Guangzhou 510655, PR China; School of Environmental & Safety Engineering, Changzhou University, Changzhou 213164, PR China
| | - Ruixue Ma
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, Center for Environmental Health Research, South China Institute of Environmental Sciences, The Ministry of Ecological and Environment of PR China, Guangzhou 510655, PR China
| | - Xiaohui Zhu
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, Center for Environmental Health Research, South China Institute of Environmental Sciences, The Ministry of Ecological and Environment of PR China, Guangzhou 510655, PR China
| | - Chang Liu
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, Center for Environmental Health Research, South China Institute of Environmental Sciences, The Ministry of Ecological and Environment of PR China, Guangzhou 510655, PR China
| | - Liangzhong Li
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, Center for Environmental Health Research, South China Institute of Environmental Sciences, The Ministry of Ecological and Environment of PR China, Guangzhou 510655, PR China.
| | - Ziling Yu
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, Center for Environmental Health Research, South China Institute of Environmental Sciences, The Ministry of Ecological and Environment of PR China, Guangzhou 510655, PR China
| | - Xichao Chen
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, Center for Environmental Health Research, South China Institute of Environmental Sciences, The Ministry of Ecological and Environment of PR China, Guangzhou 510655, PR China
| | - Zongrui Li
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, Center for Environmental Health Research, South China Institute of Environmental Sciences, The Ministry of Ecological and Environment of PR China, Guangzhou 510655, PR China
| | - Yan Yang
- School of Environmental & Safety Engineering, Changzhou University, Changzhou 213164, PR China; Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, PR China.
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29
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Kakoria A, Sinha-Ray S, Sinha-Ray S. Industrially scalable Chitosan/Nylon-6 (CS/N) nanofiber-based reusable adsorbent for efficient removal of heavy metal from water. POLYMER 2021. [DOI: 10.1016/j.polymer.2020.123333] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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30
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Sustainable Chromium (VI) Removal from Contaminated Groundwater Using Nano-Magnetite-Modified Biochar via Rapid Microwave Synthesis. Molecules 2020; 26:molecules26010103. [PMID: 33379377 PMCID: PMC7795963 DOI: 10.3390/molecules26010103] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 12/18/2020] [Accepted: 12/22/2020] [Indexed: 11/17/2022] Open
Abstract
This study developed a nano-magnetite-modified biochar material (m-biochar) using a simple and rapid in situ synthesis method via microwave treatment, and systematically investigated the removal capability and mechanism of chromium (VI) by this m-biochar from contaminated groundwater. The m-biochar was fabricated from reed residues and magnetically modified by nano-Fe3O4. The results from scanning electron microscopy (SEM) and X-ray diffraction (XRD) characterisations confirmed the successful doping of nano-Fe3O4 on the biochar with an improved porous structure. The synthesised m-biochar exhibited significantly higher maximum adsorption capacity of 9.92 mg/g compared with that (8.03 mg/g) of the pristine biochar. The adsorption kinetics followed the pseudo-second-order model and the intraparticle diffusion model, which indicated that the overall adsorption rate of Cr(VI) was governed by the processes of chemical adsorption, liquid film diffusion and intramolecular diffusion. The increasing of the pH from 3 to 11 significantly affected the Cr(VI) adsorption, where the capabilities decreased from 9.92 mg/g to 0.435 mg/g and 8.03 mg/g to 0.095 mg/g for the m-biochar and pristine biochar, respectively. Moreover, the adsorption mechanisms of Cr(VI) by m-biochar were evaluated and confirmed to include the pathways of electrostatic adsorption, reduction and complexation. This study highlighted an effective synthesis method to prepare a superior Cr(VI) adsorbent, which could contribute to the effective remediation of heavy metal contaminations in the groundwater.
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31
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Yuan W, Zhou Y, Chen Y, Liu X, Wang J. Toxicological effects of microplastics and heavy metals on the Daphnia magna. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 746:141254. [PMID: 32768788 DOI: 10.1016/j.scitotenv.2020.141254] [Citation(s) in RCA: 84] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/23/2020] [Accepted: 07/24/2020] [Indexed: 05/06/2023]
Abstract
Microplastics (MPs) are gradually spreading around the world and becoming a ubiquitous environmental contamination in aquatic environments. Due to its unique physicochemical properties, MPs are considered to be strong adsorbents for environmental pollutants and may affect their fate and toxicity in the environment. In this study, the adsorption behaviors of four typical heavy metal ions (Pb2+, Cu2+, Cd2+, and Ni2+) on two sizes of polystyrene MPs (10 μm and 50 μm) were investigated based on batch experiments, and the combined effects of heavy metals and MPs were assessed using Daphnia magna as model. The results showed that smaller MPs (SMPs) exhibited higher adsorption capacities for metal ions (0.261-0.579 mg/g) than that of the larger MPs (LMPs) (0.243-0.525 mg/g), and the affinity sequence of heavy metals on MPs is Pb2+ > Cu2+ > Cd2+ > Ni2+. There are better admirable agreements for pseudo-second-order model and Langmuir model to fit the adsorption kinetics and adsorption isotherms, respectively. Additionally, the combined toxicity of MPs and heavy metals was negatively correlated with the adsorption capacity between them. The combined effects of mixtures toward D. magna changed from antagonism to additive effect with increasing MPs concentrations, and SMPs exhibited higher toxicological risk than LMPs. Our findings compared the accumulative effects of various heavy metals on MPs and can contribute to understanding the combined effects of plastics and heavy metals on biota.
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Affiliation(s)
- Wenke Yuan
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yanfei Zhou
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yuling Chen
- Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaoning Liu
- Institute of HydroEcology, State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China
| | - Jun Wang
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China; Ministry of Education Key Laboratory for Ecology of Tropical Islands, College of Life Sciences, Hainan Normal University, Haikou 571158, China.
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32
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Controlled polyethylene glycol and activated carbon interaction with nanoscale zerovalent iron for trichloroethylene degradation. J Taiwan Inst Chem Eng 2020. [DOI: 10.1016/j.jtice.2020.11.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Shan J, Wang J, Zhan J, Liu L, Wu F, Wang X. Sorption behaviors of crude oil on polyethylene microplastics in seawater and digestive tract under simulated real-world conditions. CHEMOSPHERE 2020; 257:127225. [PMID: 32505036 DOI: 10.1016/j.chemosphere.2020.127225] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 05/24/2020] [Accepted: 05/25/2020] [Indexed: 06/11/2023]
Abstract
The role of plastic as a vector for bioaccumulation of hydrophobic organic pollutants has been widely studied. However, the interactions between microplastics (MPs) and crude oil, and the transfer kinetics of sorbed oil from ingested MPs into aquatic biota are largely unknown. In this study, interactions between MPs and crude oil in seawater and digestive tract mimic of aquatic biota have been examined. To mimic the living, transportation and cooking conditions of aquatic organisms, sorption and desorption behaviors were investigated under room temperature-bath (25 °C), ice-bath (0∼4 °C) and boiling water-bath (95∼100 °C), and pH was set as 4 and 7 for the simulated gut fluid. The results showed that sorption capacity of polyethylene (PE) MPs for crude oil in seawater was higher than that in intestinal tract, indicating more oil residue in aqueous phase of gut fluid in the present of organic particles. The sorption kinetics models were well fitted to the pseudo-order model, and isotherms models were well fitted to the Freundlich model. In addition, the results demonstrated that temperature played a significant effect on crude oil viscosity, and the sorption capacity under different temperatures was in the order of 25 °C > 95∼100 °C > 0∼4 °C, indicating that more oil was remained in aqueous phase at boiling water-bath and ice-bath. The increment of pH enhances the sorption capacities of PE MPs. Moreover, the desorption experiment has supplemented the current findings from the sorption experiments.
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Affiliation(s)
- Jiajia Shan
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China
| | - Jian Wang
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China
| | - Jingjing Zhan
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China
| | - Lifen Liu
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China
| | - Fengchang Wu
- State Key Laboratory of Environmental Criteria & Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Xue Wang
- School of Ocean Science and Technology, Dalian University of Technology, Panjin, 124221, China.
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Maher S, Mahmoud M, Rizk M, Kalil H. Synthetic melanin nanoparticles as peroxynitrite scavengers, photothermal anticancer and heavy metals removal platforms. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:19115-19126. [PMID: 30982188 DOI: 10.1007/s11356-019-05111-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 04/04/2019] [Indexed: 06/09/2023]
Abstract
Melanin is a ubiquitous natural polyphenolic pigment with versatile applications including physiological functions. This polymeric material is found in a diversity of living organisms from bacteria to mammals. The biocompatibility and thermal stability of melanin nanoparticles make them good candidates to work as free radical scavengers and photothermal anticancer substrates. Research studies have identified melanin as an antioxidative therapeutic agent and/or reactive oxygen species (ROS) scavenger that includes neutralization of peroxynitrite. In addition, melanin nanoparticles have emerged as an anticancer photothermal platform that has the capability to kill cancer cells. Recently, melanin nanoparticles have been successfully used as chelating agents to purify water from heavy metals, such as hexavalent chromium. This review article highlights some selected aspects of cutting-edge melanin applications. Herein, we will refer to the recent literature that addresses melanin nanoparticles and its useful physicochemical properties as a hot topic in biomaterial science. It is expected that the techniques of Dynamic Light Scattering (DLS), Scanning Electron Microscopy (SEM), and time-resolved Electron Paramagnetic Resonance (EPR) will have a strong impact on the full characterization of melanin nanoparticles and the subsequent exploration of their physiological and chemical mechanisms.
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Affiliation(s)
- Shaimaa Maher
- Department of Chemistry, College of Science, Cleveland State University, Cleveland, OH, 44115, USA
| | - Marwa Mahmoud
- Department of Science and Mathematics, Faculty of Petroleum and Mining Engineering, Suez University, Suez, Egypt
| | - Moustafa Rizk
- Department of Chemistry, Faculty of Science and Arts, Najran University, Sharourah, Najran, Saudi Arabia
- Department of Chemistry, Faculty of Science, Suez Canal University, Ismailia, Egypt
| | - Haitham Kalil
- Department of Chemistry, College of Science, Cleveland State University, Cleveland, OH, 44115, USA.
- Department of Chemistry, Faculty of Science, Suez Canal University, Ismailia, Egypt.
- Department of Chemistry and Biochemistry, University of Mount Union, Alliance, OH, 44601, USA.
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35
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Exhaustive studies on toxic Cr(VI) removal mechanism from aqueous solution using activated carbon of Aloe vera waste leaves. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.112956] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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36
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Zhang X, Lu A, Li D, Shi L, Luo Z, Peng C. Simultaneous removal of methylene blue and Pb 2+ from aqueous solution by adsorption on facile modified lignosulfonate. ENVIRONMENTAL TECHNOLOGY 2020; 41:1677-1690. [PMID: 30394195 DOI: 10.1080/09593330.2018.1544666] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2017] [Accepted: 10/28/2018] [Indexed: 06/08/2023]
Abstract
In this paper, simultaneous removal of methylene blue (MB) and Pb2+ from the binary component system by an easily prepared cross-linked lignosulfonate bio-adsorbent (CLLS) was described. CLLS was characterized by FTIR, SEM/EDS and TGA. The influences of pH, temperature, contact time and initial MB and Pb2+ concentrations on the adsorption performance were investigated. The results demonstrated a good ability of CLLS to remove MB and Pb2+ simultaneously. Using of 1.0 g L-1 loading, removal efficiency of MB and Pb2+ reached 98.0% and 97.8%, respectively, in the MB (100 mg.L-1)-Pb2+ (50 mg.L-1) system. Moreover, the adsorption isotherms and adsorption kinetics indicated that the results were fitting well with the Langmuir and pseudo-second-order model, respectively, for both MB and Pb2+. Based on the Langmuir model, the maximum adsorption capacity of MB and Pb2+ reached 132.6 and 64.9 mg g-1, respectively, in the MB-Pb2+ system, which was much lower than that in the single component system (358.4 mg g-1 100.9 mg g-1 for MB and Pb2+, respectively). Hence, simultaneous adsorption of MB and Pb2+ onto CLLS was an antagonistic adsorption. In addition, an apart-sequential adsorption method was used to study the action of adsorption sites on CLLS for MB and/or Pb2+ with the help of an efficient self-made apparatus. Rudimental results showed that there would be three different kinds of adsorption sites on CLLS: MB-site, Pb2+-site and MB/Pb2+- shared sites. Furthermore, in the MB (100 mg.L-1)-Pb2+(50.0 mg.L-1) system, the simultaneous removal efficiency of MB and Pb2+ still maintained 91.8% and 85.0%, respectively, after 6 cycles.
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Affiliation(s)
- Xiaomei Zhang
- Department of Chemical Engineering, Anhui University of Science and Technology, Huainan, People's Republic of China
| | - Anwu Lu
- Department of Chemical Engineering, Anhui University of Science and Technology, Huainan, People's Republic of China
| | - Dapei Li
- Department of Chemical Engineering, Anhui University of Science and Technology, Huainan, People's Republic of China
| | - Liang Shi
- Department of Chemical Engineering, Anhui University of Science and Technology, Huainan, People's Republic of China
| | - Zaigang Luo
- Department of Chemical Engineering, Anhui University of Science and Technology, Huainan, People's Republic of China
| | - Chengsong Peng
- Department of Chemical Engineering, Anhui University of Science and Technology, Huainan, People's Republic of China
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38
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Tangarfa M, Semlali Aouragh Hassani N, Alaoui A. Behavior and Mechanism of Tannic Acid Adsorption on the Calcite Surface: Isothermal, Kinetic, and Thermodynamic Studies. ACS OMEGA 2019; 4:19647-19654. [PMID: 31788595 PMCID: PMC6881834 DOI: 10.1021/acsomega.9b02259] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Accepted: 10/31/2019] [Indexed: 05/27/2023]
Abstract
Tannic acid is a calcite flotation agent widely used in mineral processing. To better understand the physicochemical reactivity of tannic acid toward calcite, the present work focused on studying the mechanisms involved during the adsorption process. Hence, in order to determine the optimal physicochemical parameters, tannic acid adsorption onto calcite was investigated at various experimental conditions such as contact time, initial tannic acid concentration, solution pH, particle size, and temperature. The obtained results showed that the adsorption capacity of tannic acid increased significantly with initial tannic acid concentration. Furthermore, tannic acid adsorption onto calcite was highly dependent on solution pH, and the optimal adsorption amount was found to be at pH 8. Therefore, the behavior controlling the studied adsorption process could be attributed to ion exchange. Moreover, the adsorption mechanism has been determined by isothermal, kinetic, and thermodynamic studies. Thus, the Sips isotherm model was the one that best predicted equilibrium data. Adsorption kinetics followed a pseudo-second-order model, indicating that the adsorption process was controlled by the chemical reaction. The estimated thermodynamic parameters revealed that the adsorption reaction was exothermic in nature and the system entropy decreased nonsignificantly during this process. Based on these results, the study of the physicochemical interaction between tannins and carbonates has potential application in mineral processing as well as in other fields.
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Affiliation(s)
- Mariam Tangarfa
- Department
of Civil Engineering, Engineering Mohammdia School, Mohamed V University, B.P 765, 10090 Agdal Rabat, Morocco
| | - Naoual Semlali Aouragh Hassani
- Department
of Civil Engineering, Engineering Mohammdia School, Mohamed V University, B.P 765, 10090 Agdal Rabat, Morocco
| | - Abdallah Alaoui
- Department
of Mining, Superior National School of Rabat
Mining, B.P.753, 10000 Agdal Rabat, Morocco
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Dong Y, Gao M, Song Z, Qiu W. Adsorption mechanism of As(III) on polytetrafluoroethylene particles of different size. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 254:112950. [PMID: 31394339 DOI: 10.1016/j.envpol.2019.07.118] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 07/23/2019] [Accepted: 07/23/2019] [Indexed: 05/22/2023]
Abstract
Microplastics exhibit active environmental behavior and unique surface characteristics, and act as carriers for the migration of trivalent arsenic (As(III)) in the environment. Herein, the mechanism by which polytetrafluoroethylene (PTFE) microplastic particles adsorb As(III) is systematically determined. The larger the size of PTFE particles, the smaller the specific surface area, the higher the point of zero charge (PZC), and the more unfavorable adsorption of As(III); the highest adsorption amount can reach 1.05 mg g-1. The adsorption process can be divided into three stages by the intraparticle diffusion model: external mass transfer, intraparticle diffusion, and dynamic equilibrium, of which the external mass transfer stage is the adsorption rate-limiting stage. The Langmuir isotherm model better represented the equilibrium adsorption results. The adsorption of As(III) by PTFE was an exothermic process, and because the increase in temperature broke the hydrogen bond, the amount of adsorption was decreased, which was not conducive to spontaneous adsorption. In the pH range of 3-7, as the pH value increased, the amount of As(III) adsorbed by PTFE gradually decreased, which may be related to the change in PZC for PTFE and the protonation of As(III). The H on the surface hydroxyl group of the PTFE exhibited a very large positive potential (+82.37 kcal mol-1). Thus, it can attract the arsenic oxyanion, and As(III) was subsequently adsorbed on the surface of the PTFE through the hydrogen bond on the hydroxyl group. Electrostatic force and non-covalent interaction were the key mechanisms affecting the PTFE adsorption.
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Affiliation(s)
- Youming Dong
- Agro-Environmental Protection Institute, Ministry of Agriculture of China, Tianjin, 300191, China
| | - Minling Gao
- Department of Civil and Environmental Engineering, Shantou University, Shantou, 515063, China
| | - Zhengguo Song
- Department of Civil and Environmental Engineering, Shantou University, Shantou, 515063, China.
| | - Weiwen Qiu
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 4704, Christchurch, 8140, New Zealand
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Granular activated charcoal from peanut (Arachis hypogea) shell as a new candidate for stabilization of arsenic in soil. Microchem J 2019. [DOI: 10.1016/j.microc.2019.104030] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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41
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Godinho D, Nogueira M, Bernardo M, Dias D, Lapa N, Fonseca I, Pinto F. Recovery of Cr(III) by using chars from the co-gasification of agriculture and forestry wastes. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:22723-22735. [PMID: 31168718 DOI: 10.1007/s11356-019-05609-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 05/28/2019] [Indexed: 06/09/2023]
Abstract
The aim of the present work was to assess the efficiency of biochars obtained from the co-gasification of blends of rice husk + corn cob (biochar 50CC) and rice husk + eucalyptus stumps (biochar 50ES), as potential renewable low-cost adsorbents for Cr(III) recovery from wastewaters. The two gasification biochars presented a weak porous structure (ABET = 63-144 m2 g-1), but a strong alkaline character, promoted by a high content of mineral matter (59.8% w/w of ashes for 50CC biochar and 81.9% w/w for 50ES biochar). The biochars were used for Cr(III) recovery from synthetic solutions by varying the initial pH value (3, 4, and 5), liquid/solid (L/S) ratio (100-500 mL g-1), contact time (1-120 h), and initial Cr(III) concentration (10-150 mg L-1). High Cr(III) removal percentages (around 100%) were obtained for both biochars, due to Cr precipitation, at low L/S ratios (100 and 200 mL g-1), for the initial pH 5 and initial Cr concentration of 50 mg L-1. Under the experimental conditions in which other removal mechanisms rather than precipitation occurred, a higher removal percentage (49.9%) and the highest uptake capacity (6.87 mg g-1) were registered for 50CC biochar. In the equilibrium, 50ES biochar presented a Cr(III) removal percentage of 27% with a maximum uptake capacity of 2.58 mg g-1. The better performance on Cr(III) recovery for the biochar 50CC was attributed to its better textural properties, as well as its higher cation exchange capacity.
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Affiliation(s)
- Delfina Godinho
- REQUIMTE-LAQV, Departamento de Ciências e Tecnologia da Biomassa, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Ed. Departamental, 2829-516, Caparica, Portugal
| | - Miguel Nogueira
- REQUIMTE-LAQV, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Ed. Departamental, 2829-516, Caparica, Portugal
| | - Maria Bernardo
- REQUIMTE-LAQV, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Ed. Departamental, 2829-516, Caparica, Portugal
| | - Diogo Dias
- REQUIMTE-LAQV, Departamento de Ciências e Tecnologia da Biomassa, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Ed. Departamental, 2829-516, Caparica, Portugal
| | - Nuno Lapa
- REQUIMTE-LAQV, Departamento de Ciências e Tecnologia da Biomassa, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Ed. Departamental, 2829-516, Caparica, Portugal.
| | - Isabel Fonseca
- REQUIMTE-LAQV, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Ed. Departamental, 2829-516, Caparica, Portugal
| | - Filomena Pinto
- Unidade de Bioenergia, Laboratório Nacional de Energia e Geologia, Estrada do Paço do Lumiar, Ed. J, 1649-038, Lisbon, Portugal
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Coppola F, Tavares DS, Henriques B, Monteiro R, Trindade T, Soares AMVM, Figueira E, Polese G, Pereira E, Freitas R. Remediation of arsenic from contaminated seawater using manganese spinel ferrite nanoparticles: Ecotoxicological evaluation in Mytilus galloprovincialis. ENVIRONMENTAL RESEARCH 2019; 175:200-212. [PMID: 31136952 DOI: 10.1016/j.envres.2019.04.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Revised: 03/20/2019] [Accepted: 04/08/2019] [Indexed: 06/09/2023]
Abstract
In the last decade different approaches have been applied for water remediation purposes, including the use of nanoparticles (NPs) to remove metals and metalloids from water. Although studies have been done on the toxic impacts of such NPs, very scarce information is available on the impacts of water after decontamination when discharged into aquatic environments. As such, in the present study we aimed to evaluate the ecotoxicological safety of seawater previously contaminated with arsenic (As) and remediated by using manganese-ferrite (MnFe2O4-NPs) NPs. For this, mussels Mytilus galloprovincialis were exposed for 28 days to different conditions, including clean seawater (control), As (1000 μg L-1) contaminated and remediated (As 70 μg L-1) seawater, water containing MnFe2O4- NPs (50 mg L-1) with and without the presence of As. At the end of exposure, concentrations of As in mussels tissues were quantified and biomarkers related to mussels' metabolism and oxidative stress status were evaluated. Results revealed that mussels exposed to water contaminated with As and to As + NPs accumulated significantly more As (between 62% and 76% more) than those exposed to remediated seawater. Regarding biomarkers, our findings demonstrated that in comparison to remediated seawater (conditions a, b, c) mussels exposed to contaminated seawater (conditions A, B, C) presented significantly lower metabolic activity, lower expenditure of energy reserves, activation of antioxidant and biotransformation defences, higher lipids and protein damages and greater AChE inhibition. Furthermore, organisms exposed to As, NPs or As + NPs revealed similar biochemical effects, both before and after water decontamination. In conclusion, the present study suggests that seawater previously contaminated with As and remediated by MnFe2O4-NPs presented significantly lower toxicity than As contaminated water, evidencing the potential use of these NPs to remediate seawater contaminated with As and its safety towards marine systems after discharges to these environments.
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Affiliation(s)
- Francesca Coppola
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - Daniela S Tavares
- CESAM & LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193, Portugal; Departamento de Química & CICECO, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - Bruno Henriques
- CESAM & LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193, Portugal
| | - Rui Monteiro
- CESAM & LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193, Portugal; CIIMAR, Universidade do Porto, 4050-123, Porto, Portugal
| | - Tito Trindade
- Departamento de Química & CICECO, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - Amadeu M V M Soares
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - Etelvina Figueira
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - Gianluca Polese
- Dipartimento di Biologia, Universitá degli Studi di Napoli Federico II, 80126, Naples, Italy
| | - Eduarda Pereira
- CESAM & LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193, Portugal
| | - Rosa Freitas
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193, Aveiro, Portugal.
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Wang B, Sun YC, Sun RC. Fractionational and structural characterization of lignin and its modification as biosorbents for efficient removal of chromium from wastewater: a review. JOURNAL OF LEATHER SCIENCE AND ENGINEERING 2019. [DOI: 10.1186/s42825-019-0003-y] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Rehman MU, Rehman W, Waseem M, Hussain S, Haq S, Rehman MAU. Adsorption mechanism of Pb 2+ ions by Fe 3O 4, SnO 2, and TiO 2 nanoparticles. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:19968-19981. [PMID: 31093917 DOI: 10.1007/s11356-019-05276-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Accepted: 04/25/2019] [Indexed: 06/09/2023]
Abstract
Nanosized sorbents for the removal of heavy metal ions are preferred due to high surface area, smaller size, and enhanced reactivity during adsorbate/adsorbent interactions. In the present study, Fe3O4, SnO2, and TiO2 nanoparticles were prepared by microemulsion-assisted precipitation method. The particles were characterized by BET surface area, X-rays diffraction (XRD), thermogravimetric analysis (TGA), Fourier transform infrared (FTIR) spectroscopy, transmittance electron microscopy (TEM), and X-ray photoelectron (XPS) spectroscopy. The respective particle sizes calculated from TEM were 7 nm (± 2), 10 nm (± 2), and 20 nm (± 3) for Fe3O4, SnO2, and TiO2. The adsorbents were employed for the adsorption of Pb2+ ions from the aqueous solutions. The respective maximum adsorption capacity for Fe3O4, SnO2, and TiO2 nanoparticles was 53.33, 47.21, and 65.65 mg/g at 313 K. Based on the exchange reaction taking place on the surfaces of Fe3O4, SnO2, and TiO2, it is concluded that Pb2+ ions are adsorbed in hydrated form. The X-ray photoelectron spectroscopy (XPS) studies also support the exchange mechanism and confirmed the presence of elements like Fe, Sn, Ti, Pb, and O and their oxidation states. Both Langmuir and Freundlich models in non-linear form were applied, however, based on RL values, the Langmuir model fits well to the sorption data. Moreover, adsorption parameters were also determined by using non-linear form of the Langmuir model along with statistical approaches to remove error. The qm and Kb values confirm better adsorption capacity and binding strength for Pb2+ ions as compared to the values reported in the literature.
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Affiliation(s)
| | - Wajid Rehman
- Department of Chemistry, Hazara University, Mansehra, Pakistan
| | - Muhammad Waseem
- Department of Chemistry, COMSATS University Islamabad, Islamabad, Pakistan.
| | - Shahzad Hussain
- Department of Physics, COMSATS University Islamabad, Islamabad, Pakistan
| | - Sirajul Haq
- Department of Chemistry, University of Azad Jammu Kashmir, Muzaffarabad, 13100, Pakistan
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Dai L, Li Y, Liu R, Si C, Ni Y. Green mussel-inspired lignin magnetic nanoparticles with high adsorptive capacity and environmental friendliness for chromium(III) removal. Int J Biol Macromol 2019; 132:478-486. [DOI: 10.1016/j.ijbiomac.2019.03.222] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 03/25/2019] [Accepted: 03/29/2019] [Indexed: 12/13/2022]
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46
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García-Guel YY, Múzquiz-Ramos EM, Ríos-Hurtado JC. Telas de carbón activado: generalidades y aplicaciones. TIP REVISTA ESPECIALIZADA EN CIENCIAS QUÍMICO-BIOLÓGICAS 2019. [DOI: 10.22201/fesz.23958723e.2019.0.182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Los carbones activados (CA) son de gran interés debido a las excepcionales propiedades físicas y químicas que poseen, estos materiales se presentan en forma de gránulos o polvos, pero recientemente se ha comercializado una nueva forma de CA conocida como Fibra de Carbón Activado (FCA), que se puede fabricar en dos presentaciones, como tela y como fieltro. Las Telas de carbón activado (TCA) son materiales que poseen excelentes propiedades que las hacen superiores en comparación con las formas tradicionales y se producen a partir de precursores, mediante diversos procesos que incluyen activación física o química, entre los agentes impregnantes más utilizados se encuentran el KOH, H3PO4, ZnCl2, AlCl3, NH4Cl, Na2CO3 y K2CO3, cuya función principal es servir como deshidratantes impidiendo al mismo tiempo la producción de alquitranes. Las características y propiedades que adquieren las TCA dependen de la naturaleza del material que se utilizó para producirlas, estas características han sido aprovechadas en una gran cantidad de aplicaciones, como: medicina, sistemas de soporte de catalizadores, en la industria para la adsorción de contaminantes, purificación de aguas y tratamiento de aguas residuales, entre otras. Esta revisión muestra las generalidades y aplicaciones en estudios recientes y resume las aplicaciones de las TCA de las diferentes investigaciones realizadas, así como su proceso de obtención.
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Huang C, Peng F, Xiong L, Li HL, Chen XF, Zhao C, Chen XD. Introduction of one efficient industrial system for turpentine processing wastewater reuse and treatment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 663:447-452. [PMID: 30716636 DOI: 10.1016/j.scitotenv.2019.01.213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 01/18/2019] [Accepted: 01/18/2019] [Indexed: 06/09/2023]
Abstract
Wastewater treatment is one important issue for turpentine plant and more wastewater generated by greater turpentine processing will prevent its further development. To solve this issue without extra place and new equipment, one industrial system for reuse and treatment of turpentine processing wastewater was introduced for the first time. For wastewater reuse, the technology was simple and easy to control that after neutralization by lime and absorption with activated carbon (optional, mostly not necessary), the wastewater could be reused for turpentine processing. After reuse, the wastewater was further treated by a biological system. During long-term application of wastewater reuse in this plant, it showed little influence on the products performance (mainly acid value) and final wastewater COD. Base on above advantages, the plant could decide when for wastewater drainage, and thus the amount of wastewater was reduced greatly. For the biological treatment, the COD of wastewater could be degraded to suitable level stably and the wastewater after treatment could be applied for daily life in the plant. Overall, considering the cost, operation, and performance, the whole system shows great potential and possibility of industrial application and therefore can be applied widely in the turpentine processing industry.
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Affiliation(s)
- Chao Huang
- CAS Key Laboratory of Renewable Energy, Guangzhou 510640, PR China; Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, PR China; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, PR China; R&D Center of Xuyi Attapulgite Applied Technology, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Xuyi 211700, PR China
| | - Fen Peng
- CAS Key Laboratory of Renewable Energy, Guangzhou 510640, PR China; Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, PR China; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, PR China; R&D Center of Xuyi Attapulgite Applied Technology, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Xuyi 211700, PR China
| | - Lian Xiong
- CAS Key Laboratory of Renewable Energy, Guangzhou 510640, PR China; Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, PR China; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, PR China; R&D Center of Xuyi Attapulgite Applied Technology, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Xuyi 211700, PR China
| | - Hai-Long Li
- CAS Key Laboratory of Renewable Energy, Guangzhou 510640, PR China; Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, PR China; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, PR China; R&D Center of Xuyi Attapulgite Applied Technology, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Xuyi 211700, PR China
| | - Xue-Fang Chen
- CAS Key Laboratory of Renewable Energy, Guangzhou 510640, PR China; Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, PR China; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, PR China; R&D Center of Xuyi Attapulgite Applied Technology, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Xuyi 211700, PR China
| | - Cheng Zhao
- Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Xin-De Chen
- CAS Key Laboratory of Renewable Energy, Guangzhou 510640, PR China; Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, PR China; Guangdong Provincial Key Laboratory of New and Renewable Energy Research and Development, Guangzhou 510640, PR China; R&D Center of Xuyi Attapulgite Applied Technology, Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Xuyi 211700, PR China.
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Abstract
The objective of this work is to determine the reflection elements, allowing the understanding of the phosphorus fixation mechanisms. The samples were taken from Oued Boufekrane in the Meknes region (Northwest of Morocco). In fact, the sediment characterization was examined by the Brunauer–Emmett–Teller (BET) specific surface area and Fourier-transform infrared (FTIR) spectroscopy measurements. A series of experiments were then carried out to study the impact of some parameters on the adsorption capacity. Indeed, the effect of contact time, sediment mass, pH, initial concentration of potassium dihydrogen phosphate KH2PO4, and the temperature has been studied. The characterization of sediment by FTIR spectroscopy shows the existence of carbonates, iron hydroxides, and organic matter. The results obtained showed that the retention of phosphorus on the sediments studied is maximal at pH = 12 and increases with the temperature and the mass of sediments. Phosphorus adsorption kinetics of phosphorus on sediments studied follows the pseudo-second-order model, and the activation energy value (48.51 kJ/mol) indicates the predominance of chemical nature of adsorption (>40 kJ/mol). The experimental data of the adsorption isotherms are well interpreted by the Freundlich model. The values of the thermodynamic parameters ΔG°, ΔH°, and ΔS° indicate that the adsorption reaction is endothermic and occurs spontaneously on the surface of the sediments studied.
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Vasilchenko D, Topchiyan P, Berdyugin S, Filatov E, Tkachev S, Baidina I, Komarov V, Slavinskaya E, Stadnichenko A, Gerasimov E. Tetraalkylammonium Salts of Platinum Nitrato Complexes: Isolation, Structure, and Relevance to the Preparation of PtOx/CeO2 Catalysts for Low-Temperature CO Oxidation. Inorg Chem 2019; 58:6075-6087. [DOI: 10.1021/acs.inorgchem.9b00370] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Danila Vasilchenko
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russian Federation
- Novosibirsk State University, 630090 Novosibirsk, Russian Federation
| | - Polina Topchiyan
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russian Federation
- Novosibirsk State University, 630090 Novosibirsk, Russian Federation
| | - Semen Berdyugin
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russian Federation
| | - Evgeny Filatov
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russian Federation
- Boreskov Institute of Catalysis, 630090 Novosibirsk, Russian Federation
| | - Sergey Tkachev
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russian Federation
| | - Iraida Baidina
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russian Federation
| | - Vladislav Komarov
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Science, 630090 Novosibirsk, Russian Federation
- Boreskov Institute of Catalysis, 630090 Novosibirsk, Russian Federation
| | - Elena Slavinskaya
- Novosibirsk State University, 630090 Novosibirsk, Russian Federation
| | - Andrey Stadnichenko
- Novosibirsk State University, 630090 Novosibirsk, Russian Federation
- Boreskov Institute of Catalysis, 630090 Novosibirsk, Russian Federation
| | - Evgeny Gerasimov
- Novosibirsk State University, 630090 Novosibirsk, Russian Federation
- Boreskov Institute of Catalysis, 630090 Novosibirsk, Russian Federation
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Plant-mediated Cu/Cr/Ni nanoparticle formation strategy for simultaneously separation of the mixed ions from aqueous solution. J Taiwan Inst Chem Eng 2019. [DOI: 10.1016/j.jtice.2018.10.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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