Synthesis of functional nonwoven fabric using radiation grafting for the selective adsorption of Au(Ⅲ) in an acidic solution
Herein, a bifunctional nonwoven fabric sorbent containing thioamide and carboxyl groups was synthesized via radiation grafting of acrylonitrile and acrylic acid, followed by modification with sodium sulfide, to selectively recover Au(Ⅲ) from the acidic solution. A polyethylene/polypropylene skin-cor...
| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | zho |
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Science Press
2023-12-01
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| Series: | Fushe yanjiu yu fushe gongyi xuebao |
| Subjects: | |
| Online Access: | http://www.fs.sinap.ac.cn/thesisDetails#10.11889/j.1000-3436.2023-0071&lang=zh |
| _version_ | 1797382751639306240 |
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| author | FENG Xinxin MAO Xuanzhi ZHANG Mingxing HU Lijun HAN Hongwei XING Zhe LI Rong WU Guozhong |
| author_facet | FENG Xinxin MAO Xuanzhi ZHANG Mingxing HU Lijun HAN Hongwei XING Zhe LI Rong WU Guozhong |
| author_sort | FENG Xinxin |
| collection | DOAJ |
| description | Herein, a bifunctional nonwoven fabric sorbent containing thioamide and carboxyl groups was synthesized via radiation grafting of acrylonitrile and acrylic acid, followed by modification with sodium sulfide, to selectively recover Au(Ⅲ) from the acidic solution. A polyethylene/polypropylene skin-core-structured nonwoven fabric was used as the substrate. The structure and properties of the sorbent were characterized using infrared spectroscopy, thermogravimetric analysis, scanning electron microscopy, energy dispersive spectroscopy, contact angle measurements, X-ray photoelectron spectroscopy, and X-ray diffraction. The adsorption performance of the sorbent was determined through batch adsorption tests. The results indicated that the sorbent exhibited excellent Au(Ⅲ) adsorption capacity over a wide pH range (2-7) and demonstrated good selectivity for Au(Ⅲ) in the presence of coexisting metal ions, with selectivity coefficients ranging from 55.00 to 2 429.17 and a gold recovery ratio of 98.5%. The adsorption followed the pseudo-second-order kinetic and Langmuir isotherm models, with an Au(Ⅲ) saturation adsorption capacity of 133.91 mg/g. Au(Ⅲ) could be reduced to crystalline Au(0) during the adsorption process. Moreover, the modified nonwoven fabric could be effectively removed via simple high-temperature treatment, facilitating Au recovery. |
| first_indexed | 2024-03-08T21:10:00Z |
| format | Article |
| id | doaj.art-fe34da3c8c484bdea419b28059aa58fa |
| institution | Directory Open Access Journal |
| issn | 1000-3436 |
| language | zho |
| last_indexed | 2024-03-08T21:10:00Z |
| publishDate | 2023-12-01 |
| publisher | Science Press |
| record_format | Article |
| series | Fushe yanjiu yu fushe gongyi xuebao |
| spelling | doaj.art-fe34da3c8c484bdea419b28059aa58fa2023-12-22T09:44:44ZzhoScience PressFushe yanjiu yu fushe gongyi xuebao1000-34362023-12-0141606020106020110.11889/j.1000-3436.2023-00711000-3436（2023）06-0001-11Synthesis of functional nonwoven fabric using radiation grafting for the selective adsorption of Au(Ⅲ) in an acidic solutionFENG Xinxin0MAO Xuanzhi1ZHANG Mingxing2HU Lijun3HAN Hongwei4XING Zhe5LI Rong6WU Guozhong7Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, ChinaShanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, ChinaShanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, ChinaShanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, ChinaShanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, ChinaShanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, ChinaShanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, ChinaShanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, ChinaHerein, a bifunctional nonwoven fabric sorbent containing thioamide and carboxyl groups was synthesized via radiation grafting of acrylonitrile and acrylic acid, followed by modification with sodium sulfide, to selectively recover Au(Ⅲ) from the acidic solution. A polyethylene/polypropylene skin-core-structured nonwoven fabric was used as the substrate. The structure and properties of the sorbent were characterized using infrared spectroscopy, thermogravimetric analysis, scanning electron microscopy, energy dispersive spectroscopy, contact angle measurements, X-ray photoelectron spectroscopy, and X-ray diffraction. The adsorption performance of the sorbent was determined through batch adsorption tests. The results indicated that the sorbent exhibited excellent Au(Ⅲ) adsorption capacity over a wide pH range (2-7) and demonstrated good selectivity for Au(Ⅲ) in the presence of coexisting metal ions, with selectivity coefficients ranging from 55.00 to 2 429.17 and a gold recovery ratio of 98.5%. The adsorption followed the pseudo-second-order kinetic and Langmuir isotherm models, with an Au(Ⅲ) saturation adsorption capacity of 133.91 mg/g. Au(Ⅲ) could be reduced to crystalline Au(0) during the adsorption process. Moreover, the modified nonwoven fabric could be effectively removed via simple high-temperature treatment, facilitating Au recovery.http://www.fs.sinap.ac.cn/thesisDetails#10.11889/j.1000-3436.2023-0071&lang=zhradiation graftingau(ⅲ)adsorptionpolyethylene/polypropylene nonwoven fabric |
| spellingShingle | FENG Xinxin MAO Xuanzhi ZHANG Mingxing HU Lijun HAN Hongwei XING Zhe LI Rong WU Guozhong Synthesis of functional nonwoven fabric using radiation grafting for the selective adsorption of Au(Ⅲ) in an acidic solution Fushe yanjiu yu fushe gongyi xuebao radiation grafting au(ⅲ) adsorption polyethylene/polypropylene nonwoven fabric |
| title | Synthesis of functional nonwoven fabric using radiation grafting for the selective adsorption of Au(Ⅲ) in an acidic solution |
| title_full | Synthesis of functional nonwoven fabric using radiation grafting for the selective adsorption of Au(Ⅲ) in an acidic solution |
| title_fullStr | Synthesis of functional nonwoven fabric using radiation grafting for the selective adsorption of Au(Ⅲ) in an acidic solution |
| title_full_unstemmed | Synthesis of functional nonwoven fabric using radiation grafting for the selective adsorption of Au(Ⅲ) in an acidic solution |
| title_short | Synthesis of functional nonwoven fabric using radiation grafting for the selective adsorption of Au(Ⅲ) in an acidic solution |
| title_sort | synthesis of functional nonwoven fabric using radiation grafting for the selective adsorption of au iii in an acidic solution |
| topic | radiation grafting au(ⅲ) adsorption polyethylene/polypropylene nonwoven fabric |
| url | http://www.fs.sinap.ac.cn/thesisDetails#10.11889/j.1000-3436.2023-0071&lang=zh |
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