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Zhang Y, Xiao YF, Xu GS, Xu MD, Wang DC, Jin Z, Liu JQ, Yang LL. Preparation of basic magnesium carbonate nanosheets modified pumice and its adsorption of heavy metals. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:111137-111151. [PMID: 37801248 DOI: 10.1007/s11356-023-30023-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Accepted: 09/18/2023] [Indexed: 10/07/2023]
Abstract
Heavy metal pollution in wastewater poses a grave danger to the environment and the human body. Pumice is a mineral with abundant reserves and low prices, and its prospect of heavy metal adsorbent is very broad. In this work, we modified pumice with basic magnesium carbonate nanosheets by a convenient hydrothermal synthesis. The adsorption capacity of heavy metals is greatly improved. The effects of different pH and adsorption dosages are investigated. All the optimum pH values for Cu2+, Pb2+, and Cd2+ are 5. The adsorption of three kinds of ions conforms to the quasi-second-order adsorption kinetics model. The theoretical adsorption capacities of Cu2+, Pb2+, and Cd2+, which are calculated by the Langmuir model, are 235.29 mg/L, 595.24 mg/L, and 370.34 mg/L, respectively. The adsorption of Cu2+ and Cd2+ fit the Langmuir model better. The Freundlich model is fitted well with the adsorption of Pb2+. In the experiment simulating real wastewater, the adsorption capacity of heavy metals is not affected. It also shows good reusability in three regeneration cycles. And Mg5(CO3)4(OH)2·4H2O@pumice adsorption column showed the good removal efficiency of three heavy metals at different concentrations and different spatial velocities in the column experiment. Thus, it is believed that the Mg5(CO3)4(OH)2·4H2O@pumice is a promising adsorbent for the efficient removal of heavy metals.
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Affiliation(s)
- Yong Zhang
- School of Environment and Energy Engineering, Anhui Jianzhu University, Hefei Anhui, 230601, People's Republic of China
| | - Yi-Fan Xiao
- School of Environment and Energy Engineering, Anhui Jianzhu University, Hefei Anhui, 230601, People's Republic of China
| | - Guang-Song Xu
- School of Environment and Energy Engineering, Anhui Jianzhu University, Hefei Anhui, 230601, People's Republic of China
| | - Min-Da Xu
- School of Materials and Chemical Engineering, Anhui JianZhu University, Hefei Anhui, 230601, People's Republic of China
- Anhui Advanced Building Materials Engineering Laboratory, Anhui Jianzhu University, Hefei Anhui, 230601, People's Republic of China
| | - De-Cai Wang
- School of Materials and Chemical Engineering, Anhui JianZhu University, Hefei Anhui, 230601, People's Republic of China
- Anhui Advanced Building Materials Engineering Laboratory, Anhui Jianzhu University, Hefei Anhui, 230601, People's Republic of China
| | - Zhen Jin
- School of Materials and Chemical Engineering, Anhui JianZhu University, Hefei Anhui, 230601, People's Republic of China.
- Anhui Advanced Building Materials Engineering Laboratory, Anhui Jianzhu University, Hefei Anhui, 230601, People's Republic of China.
| | - Jia-Qi Liu
- School of Environment and Energy Engineering, Anhui Jianzhu University, Hefei Anhui, 230601, People's Republic of China
| | - Li-Li Yang
- School of Environment and Energy Engineering, Anhui Jianzhu University, Hefei Anhui, 230601, People's Republic of China
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Savitri S, Reguyal F, Sarmah AK. A feasibility study on production, characterisation and application of empty fruit bunch oil palm biochar for Mn 2+ removal from aqueous solution. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 318:120879. [PMID: 36566919 DOI: 10.1016/j.envpol.2022.120879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 12/06/2022] [Accepted: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Empty fruit bunch oil palm (EFBOP) is one of the byproducts after oil palm fruitlet is removed in oil palm processing and is considered as waste. In this study, EFBOP was converted to biochar (BC-EFBOP) at 350-700 °C, with an overarching aim of determining the feasibility of adsorptive removal of manganese (a second dominant element in acid mine drainage) from water. Results showed that with increasing temperature, the BC-EFBOP yield decreased from 44.34% to 26.74%, along with the H/C (0.89%-0.29%) and O/C ratios (0.38%-0.23%), and the carbon content increased (62.7%-73.93%). As evidenced by Fourier Transform InfraRed spectroscopy (FTIR) and X-ray Photoelectron Spectroscopy (XPS), abundant oxygen-containing surface functional groups such as hydroxyl (-OH), carboxyl (-COOH), and ether (C-O-C) were retained, and aromatic CC groups were largely generated in the biochar. Pyrolysed biochar at 350 °C (BC350), with the least surface area (0.5 m2 g-1), exhibited the highest Mn2+ adsorption capacity (8.2 mg g-1), whereas for BC700, with the largest surface area (2.19 m2 g-1), had the lowest capacity for Mn2+ (1.2 mg g-1). Regardless of the temperature, solution pH of 5 was found to be optimal for Mn2+ removal from water. The Langmuir isotherm model best described the equilibrium adsorption data with a maximum adsorption capacity of 1.2-8.2 mg g-1 for initial concentrations of 5-250 mg L-1, whereas the adsorption kinetics followed the pseudo-second-order model. There was nearly four-fold increase in Mn2+ ions removal with increased biochar dosage (0.05-0.5 g), at initial Mn2+ concentration of 100 mg L-1. The study showed that a low-cost, environmentally friendly BC-EFBOP with optimal surface chemistry could potentially remediate Mn2+ ions from aqueous media. However, a proper cost-benefit and techno-economic analysis is needed prior to potential pilot scale studies.
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Affiliation(s)
- Savitri Savitri
- Department of Civil and Environmental Engineering, The Faculty of Engineering, The University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand; National Research and Innovation Agency, Research Centre for Chemistry, Puspiptek Area Building 321, South Tangerang, 15314, Indonesia
| | - Febelyn Reguyal
- Department of Civil and Environmental Engineering, The Faculty of Engineering, The University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand
| | - Ajit K Sarmah
- Department of Civil and Environmental Engineering, The Faculty of Engineering, The University of Auckland, Private Bag 92019, Auckland, 1142, New Zealand.
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Utilization of electrolytic manganese residue to synthesize zeolite A and zeolite X for Mn ions adsorption. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.12.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Nesli Aydin, Deniz İizlen Çifçi. Comparison of Conventional and Ultrasonic-Assisted Adsorption Processes by Using H3PO4 Activated Cypress Tree Cone for Methylene Blue Removal. J WATER CHEM TECHNO+ 2022. [DOI: 10.3103/s1063455x22040038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Safi SR, Gotoh T. Simultaneous Removal of Arsenic and Manganese from Synthetic Aqueous Solutions Using Polymer Gel Composites. NANOMATERIALS 2021; 11:nano11041032. [PMID: 33919575 PMCID: PMC8073374 DOI: 10.3390/nano11041032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/16/2021] [Accepted: 04/16/2021] [Indexed: 11/16/2022]
Abstract
The groundwater in approximately 50% of the Bangladesh landmass contains Mn concentrations greater than the limit prescribed by the WHO drinking water guidelines. Although studies have suggested that γ-FeOOH can effectively remove Mn from water, its practicability has not been investigated, considering that the additional processes required to separate the adsorbents and precipitates are not environment-friendly. To improve the efficiency of adsorptive Mn-removal under natural conditions, we employed a cationic polymer gel composite, N,N'-Dimethylaminopropyl acrylamide, methyl chloride quaternary (DMAPAAQ) loaded with iron hydroxide (DMAPAAQ + FeOOH), and a non-ionic polymer gel composite, N,N'-Dimethylacrylamide (DMAA) loaded with iron hydroxide (DMAA + FeOOH). DMAPAAQ + FeOOH exhibited a higher As removal efficiency under natural conditions while being environment-friendly. Our results suggest that the higher efficiency of the cationic gel composite is owed to the higher γ-FeOOH content in its gel structure. The maximum adsorption of Mn by DMAPAAQ + FeOOH was 39.02 mg/g. Furthermore, the presence of As did not influence the adsorption of Mn on the DMAPAAQ + FeOOH gel composite and vice versa. DMAPAAQ adsorbed As and the γ-FeOOH particles simultaneously adsorbed Mn. Our findings can serve as a basis for the simultaneous removal of contaminants such as As, Mn, Cr, and Cd.
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Egbosiuba TC, Abdulkareem AS, Kovo AS, Afolabi EA, Tijani JO, Roos WD. Enhanced adsorption of As(V) and Mn(VII) from industrial wastewater using multi-walled carbon nanotubes and carboxylated multi-walled carbon nanotubes. CHEMOSPHERE 2020; 254:126780. [PMID: 32353809 DOI: 10.1016/j.chemosphere.2020.126780] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/28/2020] [Accepted: 04/11/2020] [Indexed: 06/11/2023]
Abstract
The presence of As(V) and Mn(VII) in water beyond the permissible concentration allowed by World Health Organization (WHO) standard affects human beings, animals and the environment adversely. Hence, there is need for an efficient material to remove these potentially toxic elements from wastewater prior to discharge into water bodies. This research focused on the application of response surface method (RSM) assisted optimization of Fe-Ni/Activated carbon (AC) catalyst for the synthesis of MWCNTs. Also, the MWCNTs was carboxylated and the adsorption behaviors of both nano-adsorbents in the removal of As(V) and Mn(VII) from industrial wastewater was investigated through experimental and computational techniques. The prepared Fe-Ni/AC, MWCNTs and MWCNTs-OCH2CO2H were characterized using BET, TGA, FTIR, HRSEM, HRTEM, XRD and XPS. The result showed the BET surface area of Fe-Ni/AC, MWCNTs and MWCNTs-OCH2CO2H were obtained as 1100, 1250 and 1172 m2/g, respectively. Due to the enhanced impact of carboxylation, the adsorption capacity of As(V) and Mn(VII) removal increased from 200 to 192 mg/g for MWCNTs to 250 and 298 mg/g for MWCNTs-OCH2CO2H. The isotherm and kinetic models were best fitted by Langmuir and pseudo-second order kinetics, while the thermodynamic investigation found that the adsorption process was endothermic, spontaneous and chemisorptions controlled. The regeneration potential of MWCNTs and MWCNTs-OCH2CO2H after six repeated applications revealed good stability of adsorption efficiency. The study demonstrated optimization importance of Fe-Ni/AC catalyst design for MWCNTs adsorbents and the potentials of utilizing both MWCNTs and MWCNTs-OCH2CO2H in the removal of selected heavy metals from water and soil.
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Affiliation(s)
- T C Egbosiuba
- Department of Chemical Engineering, Federal University of Technology, PMB.65, Minna, Niger State, Nigeria; Department of Chemical Engineering, Chukwuemeka Odumegwu Ojukwu University, PMB 02, Uli, Anambra State, Nigeria; Nanotechnology Research Group, Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology, P.M.B 65, Minna, Niger State, Nigeria.
| | - A S Abdulkareem
- Department of Chemical Engineering, Federal University of Technology, PMB.65, Minna, Niger State, Nigeria; Nanotechnology Research Group, Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology, P.M.B 65, Minna, Niger State, Nigeria
| | - A S Kovo
- Department of Chemical Engineering, Federal University of Technology, PMB.65, Minna, Niger State, Nigeria; Nanotechnology Research Group, Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology, P.M.B 65, Minna, Niger State, Nigeria
| | - E A Afolabi
- Department of Chemical Engineering, Federal University of Technology, PMB.65, Minna, Niger State, Nigeria
| | - J O Tijani
- Department of Chemistry, Federal University of Technology, PMB.65, Minna, Niger State, Nigeria; Nanotechnology Research Group, Africa Centre of Excellence for Mycotoxin and Food Safety, Federal University of Technology, P.M.B 65, Minna, Niger State, Nigeria
| | - W D Roos
- Department of Physics, University of the Free State, P.O. Box 339, ZA-9300, Bloemfontein, South Africa
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Fan JP, Mao DY, Zhang XH, Qi GX, Liao DD, Chen HP, Huang K. Preparation and characterization of a novel freestanding flexible reduced graphene oxide composite membrane for adsorption of isoflavone in Radix Puerariae Lobatae. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124911] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Fan JP, Cheng YT, Zhang XH, Xiao ZP, Liao DD, Chen HP, Huang K, Peng HL. Preparation of a novel mixed non-covalent and semi-covalent molecularly imprinted membrane with hierarchical pores for separation of genistein in Radix Puerariae Lobatae. REACT FUNCT POLYM 2020. [DOI: 10.1016/j.reactfunctpolym.2019.104439] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Cao ZF, Wen X, Wang J, Yang F, Zhong H, Wang S, Wu ZK. In situ nano-Fe3O4/triisopropanolamine functionalized graphene oxide composites to enhance Pb2+ ions removal. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2018.10.084] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Su Y, Zhu Q, Li J, Wang D, Xing Z, Fang L. Fe(ii) and Mn(ii) removal by Ca(ii)–manganite (γ-MnOOH)-modified red mud granules in water. RSC Adv 2019; 9:10305-10313. [PMID: 35520885 PMCID: PMC9062367 DOI: 10.1039/c9ra00123a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 03/18/2019] [Indexed: 12/15/2022] Open
Abstract
In this study, a material (DLRMG) was synthesized by modifying Ca2+ and manganite (γ-MnOOH) on red mud granules (RMG), which were the main raw materials derived from industrial alumina. Moreover, a series of experiments were conducted on the adsorption of Fe2+ and Mn2+ in underground water. The prepared samples were analyzed by X-ray diffraction (XRD), thermogravimetric analysis-differential thermal analysis (TG-DTA), zeta potential analysis, BET and scanning electron microscopy (SEM); the concentration of the effluent was found to be of acceptable standard after the treatment. DLRMG continued to treat fluoride wastewater even after the saturated adsorption of Fe2+ and Mn2+, and the results clearly showed that the treatment was effective. Overall, the problems of red mud stockpile and pollution in China would be effectively controlled by DLRMG. The use of the waste of aluminum industry to prepare effective polluted materials for the treatment of underground water.![]()
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Affiliation(s)
- Yingying Su
- School of Chemistry and Materials Science
- Key Laboratory of Chemical Engineering Process & Technology for High-efficiency Conversion
- Heilongjiang University
- China
| | - Qi Zhu
- School of Chemistry and Materials Science
- Key Laboratory of Chemical Engineering Process & Technology for High-efficiency Conversion
- Heilongjiang University
- China
| | - Jian Li
- School of Chemistry and Materials Science
- Key Laboratory of Chemical Engineering Process & Technology for High-efficiency Conversion
- Heilongjiang University
- China
| | - Dongdong Wang
- School of Chemistry and Materials Science
- Key Laboratory of Chemical Engineering Process & Technology for High-efficiency Conversion
- Heilongjiang University
- China
| | - Zipeng Xing
- School of Chemistry and Materials Science
- Key Laboratory of Chemical Engineering Process & Technology for High-efficiency Conversion
- Heilongjiang University
- China
| | - Lei Fang
- School of Food Engineering
- Harbin University
- Harbin 150080
- China
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Wang Z, Tan K, Cai J, Hou S, Wang Y, Jiang P, Liang M. Silica oxide encapsulated natural zeolite for high efficiency removal of low concentration heavy metals in water. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2018.10.065] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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