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Jang SB, Choong CE, Pichiah S, Choi JY, Yoon Y, Choi EH, Jang M. In-situ growth of manganese oxide on self-assembled 3D- magnesium hydroxide coated on polyurethane: Catalytic oxidation mechanism and application for Mn(II) removal. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127267. [PMID: 34583162 DOI: 10.1016/j.jhazmat.2021.127267] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 09/11/2021] [Accepted: 09/15/2021] [Indexed: 06/13/2023]
Abstract
Novel integration of adsorption followed by catalytic oxidation is expected to be more beneficial for higher Mn(II) removal performance. We prepared self-assembled 3D flower-like Mg(OH)2 coated on granular-sized polyurethane (namely FMHP) via hydrothermal method at 120 °C under a facile synthesis route. The optimized material, FMHP prepared with 7 g MgO and 20 g polyurethane (FMH0.35P), achieved up to 351.2 mg g-1 Mn(II) removal capacity by Langmuir isotherm model. Besides, FMHP exhibited high Mn(II) removal in a wide range of NaCl concentration (0~0.1 M) and pH 2-9. Notably, through consecutive kinetics, BET, XPS, XRD, FESEM, and TEM analyses, it was found that the MnOx layer grows in-situ via ion exchange with Mg(II) on FMHP and further boosts the Mn(II) removal via catalytic oxidation during the Mn(II) removal process. Further, column experiments revealed that the FMH0.35P exhibited superior Mn(II) removal capacities up to 135.9 mg g-1 and highly compatible treatment costs ($0.062 m-3) compared to conventional chemical processes. The granular-sized FMH0.35P prepared by economic precursors and simple synthesis route revealed a high potential for Mn(II) containing water treatment due to its high removal capacities and easy operation.
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Affiliation(s)
- Seok Byum Jang
- Department of Environmental Engineering, Kwangwoon University, 20 Kwangwoon-Ro, Nowon-Gu, Seoul 01897, Republic of Korea; Plasma Bioscience Research Center/Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Choe Earn Choong
- Department of Environmental Engineering, Kwangwoon University, 20 Kwangwoon-Ro, Nowon-Gu, Seoul 01897, Republic of Korea; Plasma Bioscience Research Center/Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea.
| | - Saravanan Pichiah
- Environmental Nanotechnology Laboratory, Department of Environmental Science and Engineering, Indian Institute of Technology (ISM), Dhanbad, India
| | - Jae Young Choi
- Green City Technology Institute, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-Gu, Seoul 02792, Republic of Korea
| | - Yeomin Yoon
- Department of Civil Environmental Engineering, University of South Carolina, 300 Main Street, Columbia, SC 29208, USA
| | - Eun Ha Choi
- Plasma Bioscience Research Center/Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Min Jang
- Department of Environmental Engineering, Kwangwoon University, 20 Kwangwoon-Ro, Nowon-Gu, Seoul 01897, Republic of Korea; Plasma Bioscience Research Center/Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Republic of Korea.
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Wu J, Yan X, Li L, Gu J, Zhang T, Tian L, Su X, Lin Z. High-efficiency adsorption of Cr(VI) and RhB by hierarchical porous carbon prepared from coal gangue. CHEMOSPHERE 2021; 275:130008. [PMID: 33984913 DOI: 10.1016/j.chemosphere.2021.130008] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 02/13/2021] [Accepted: 02/17/2021] [Indexed: 06/12/2023]
Abstract
Coal gangue (CG) is one of the largest industrial solid wastes in the world produced during the process of coal mining. The accumulation of CG is easy to cause ion leakage, which is harmful to the environment and human body. The recovery and utilization of CG are imminent. In the process, a hierarchical porous carbon (HPC) adsorbent with excellent adsorption property for Cr(VI) and rhodamine B (RhB), was prepared from CG by a two-step method and characterized by SEM, TEM, XRD, XPS, TPD and BET. The results revealed that the specific surface area of HPC is up to 2012.7 m2 g-1, and its adsorption capacities for Cr(VI) and RhB are reached 320.51 and 3086.42 mg g-1. The adsorption mechanism of RhB was the synergetic effect of physics and chemistry. While XPS results suggested that hierarchical porous carbons (HPCs) only have a chemisorption effect on Cr(VI). This study provided an idea for the preparation of HPCs from CG to remove inorganic and organic pollutants such as heavy metal Cr(VI) and RhB in water.
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Affiliation(s)
- Jinxiong Wu
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong, 510006, China; The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education), Guangzhou, Guangdong, 510006, China; Yili Normal University. Yining, Xinjiang, 835000, China; Sino-Singapore International Joint Research Institute (SSIJRI), Guangzhou, 510000, China
| | - Xiuling Yan
- Yili Normal University. Yining, Xinjiang, 835000, China
| | - Li Li
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong, 510006, China; The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education), Guangzhou, Guangdong, 510006, China
| | - Jiahua Gu
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong, 510006, China; The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education), Guangzhou, Guangdong, 510006, China
| | - Ting Zhang
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong, 510006, China; The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education), Guangzhou, Guangdong, 510006, China
| | - Lanlan Tian
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong, 510006, China; The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education), Guangzhou, Guangdong, 510006, China.
| | - Xintai Su
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong, 510006, China; The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education), Guangzhou, Guangdong, 510006, China.
| | - Zhang Lin
- School of Environment and Energy, Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and Recycling, South China University of Technology, Guangzhou, Guangdong, 510006, China; The Key Laboratory of Pollution Control and Ecosystem Restoration in Industry Clusters (Ministry of Education), Guangzhou, Guangdong, 510006, China
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Zhao HB, Zheng M, Schreckenbach G, Pan QJ. Interfacial Interaction of Titania Nanoparticles and Ligated Uranyl Species: A Relativistic DFT Investigation. Inorg Chem 2017; 56:2763-2776. [DOI: 10.1021/acs.inorgchem.6b02927] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hong-Bo Zhao
- Key Laboratory of
Functional Inorganic Material Chemistry of Education Ministry, School
of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China
| | - Ming Zheng
- Key Laboratory of
Functional Inorganic Material Chemistry of Education Ministry, School
of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China
| | - Georg Schreckenbach
- Department of Chemistry, University of Manitoba, Winnipeg R3T 2N2, MB, Canada
| | - Qing-Jiang Pan
- Key Laboratory of
Functional Inorganic Material Chemistry of Education Ministry, School
of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China
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