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Preparation of Highly Stable DUT-52 Materials and Adsorption of Dichromate Ions in Aqueous Solution
[Image: see text] Highly stable DUT-52 materials were synthesized by the hydrothermal method and well-characterized by X-ray diffraction, thermogravimetric analysis, scanning electron microscopy, and X-ray photoelectron spectroscopy (XPS). In order to systematically study the adsorption of dichromat...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Chemical Society
2022
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9118407/ https://www.ncbi.nlm.nih.gov/pubmed/35601289 http://dx.doi.org/10.1021/acsomega.2c00373 |
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author | Shen, Yanqiong Duan, Ruru Qian, Jinjie Li, Qipeng |
author_facet | Shen, Yanqiong Duan, Ruru Qian, Jinjie Li, Qipeng |
author_sort | Shen, Yanqiong |
collection | PubMed |
description | [Image: see text] Highly stable DUT-52 materials were synthesized by the hydrothermal method and well-characterized by X-ray diffraction, thermogravimetric analysis, scanning electron microscopy, and X-ray photoelectron spectroscopy (XPS). In order to systematically study the adsorption of dichromate ions in aqueous solution by the DUT-52 materials, a single factor experiment, kinetic experiment, thermodynamic experiment, competition ion experiment, and material regeneration experiment were designed. Based on the H-bond interaction between the dichromate ions and the H atoms of a NDC(2–) ligand, the DUT-52 materials showed a maximum removal rate of 96.4% and a maximum adsorption capacity of 120.68 mg·g(–1) with excellent selective adsorption and material regeneration. In addition, the process of adsorption of dichromate ions by the DUT-52 materials is in accordance with the pseudo second-order kinetics and Langmuir models, and the adsorption mechanism and the important role of the H-bond interaction were reasonably explained using the XPS pattern and theoretical calculation. Accordingly, DUT-52 can be regarded as a multifunctional material for efficiently removing dichromate ions from the wastewater. |
format | Online Article Text |
id | pubmed-9118407 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | American Chemical Society |
record_format | MEDLINE/PubMed |
spelling | pubmed-91184072022-05-20 Preparation of Highly Stable DUT-52 Materials and Adsorption of Dichromate Ions in Aqueous Solution Shen, Yanqiong Duan, Ruru Qian, Jinjie Li, Qipeng ACS Omega [Image: see text] Highly stable DUT-52 materials were synthesized by the hydrothermal method and well-characterized by X-ray diffraction, thermogravimetric analysis, scanning electron microscopy, and X-ray photoelectron spectroscopy (XPS). In order to systematically study the adsorption of dichromate ions in aqueous solution by the DUT-52 materials, a single factor experiment, kinetic experiment, thermodynamic experiment, competition ion experiment, and material regeneration experiment were designed. Based on the H-bond interaction between the dichromate ions and the H atoms of a NDC(2–) ligand, the DUT-52 materials showed a maximum removal rate of 96.4% and a maximum adsorption capacity of 120.68 mg·g(–1) with excellent selective adsorption and material regeneration. In addition, the process of adsorption of dichromate ions by the DUT-52 materials is in accordance with the pseudo second-order kinetics and Langmuir models, and the adsorption mechanism and the important role of the H-bond interaction were reasonably explained using the XPS pattern and theoretical calculation. Accordingly, DUT-52 can be regarded as a multifunctional material for efficiently removing dichromate ions from the wastewater. American Chemical Society 2022-05-05 /pmc/articles/PMC9118407/ /pubmed/35601289 http://dx.doi.org/10.1021/acsomega.2c00373 Text en © 2022 The Authors. Published by American Chemical Society https://creativecommons.org/licenses/by/4.0/Permits the broadest form of re-use including for commercial purposes, provided that author attribution and integrity are maintained (https://creativecommons.org/licenses/by/4.0/). |
spellingShingle | Shen, Yanqiong Duan, Ruru Qian, Jinjie Li, Qipeng Preparation of Highly Stable DUT-52 Materials and Adsorption of Dichromate Ions in Aqueous Solution |
title | Preparation of Highly Stable DUT-52 Materials and
Adsorption of Dichromate Ions in Aqueous Solution |
title_full | Preparation of Highly Stable DUT-52 Materials and
Adsorption of Dichromate Ions in Aqueous Solution |
title_fullStr | Preparation of Highly Stable DUT-52 Materials and
Adsorption of Dichromate Ions in Aqueous Solution |
title_full_unstemmed | Preparation of Highly Stable DUT-52 Materials and
Adsorption of Dichromate Ions in Aqueous Solution |
title_short | Preparation of Highly Stable DUT-52 Materials and
Adsorption of Dichromate Ions in Aqueous Solution |
title_sort | preparation of highly stable dut-52 materials and
adsorption of dichromate ions in aqueous solution |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9118407/ https://www.ncbi.nlm.nih.gov/pubmed/35601289 http://dx.doi.org/10.1021/acsomega.2c00373 |
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