| Preparation of a polyelectrolyte-coated magnetic attapulgite composite for the adsorption of precious metals | |
| Department | 环境材料与生态化学研究发展中心 |
Mu B(牟斌)1 ; Kang YR(康玉茹)1,2; Wang AQ(王爱勤)1,2; Wang AQ(王爱勤)
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| 2013 | |
| Source Publication | Journal of Materials Chemistry A
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| ISSN | 2050-7488 |
| Volume | 1Issue:15Pages:4804-4811 |
| Abstract | By the layer-by-layer self-assembly of chitosan and cysteine modified b-cyclodextrin on the surface of Fe3O4 nanoparticle-decorated attapulgite, the polyelectrolyte-coated magnetic attapulgite composite (Fe3O4/ ATP@(CS/Cys-b-CD)8) was prepared for the adsorption of precious metals. The as-synthesized Fe3O4/ATP@(CS/Cys-b-CD)8 composite was characterized by zeta potential measurements, Fourier transform infrared spectroscopy, X-ray diffraction and vibrating sample magnetometry. The Fe3O4/ATP@(CS/Cys-b-CD)8 composite has an adsorption yield of about 90% for Ag+, 90% for Pd2+ and 60% for Pt4+. Moreover, it was found that the adsorption of Ag+ and Pd2+ was preferential to that of Pt4+. The results of X-ray photoelectron spectroscopy indicated that the precious metals accept electrons provided by the N, O or S atoms of the Fe3O4/ATP@(CS/Cys-b-CD)8 composite during the process of adsorption. Therefore, the Fe3O4/ATP@(CS/Cys-b-CD)8 composite is a promising recyclable and low-cost adsorbent for the adsorption of trace precious metal ions. |
| Subject Area | 功能复合材料 |
| DOI | 10.1039/c3ta01620j |
| Funding Organization | the National Natural Science Foundation of China (no. 20877077);“863” Project of the Ministry of Science and Technology, P. R. China (no. 2013AA031403) |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | 功能复合材料组 |
| compositor | 第一作者单位 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.licp.cn/handle/362003/4290 |
| Collection | 环境材料与生态化学研究发展中心 |
| Corresponding Author | Wang AQ(王爱勤) |
| Affiliation | 1.Chinese Acad Sci, Lanzhou Inst Chem Phys, Ctr Ecomat & Green Chem, Lanzhou 730000, Peoples R China 2.Huaiyin Inst Technol, Key Lab Attapulgite Sci & Appl Technol Jiangsu Pr, Huaian 223003, Peoples R China |
| Recommended Citation GB/T 7714 | Mu B,Kang YR,Wang AQ,et al. Preparation of a polyelectrolyte-coated magnetic attapulgite composite for the adsorption of precious metals[J]. Journal of Materials Chemistry A,2013,1(15):4804-4811. |
| APA | Mu B,Kang YR,Wang AQ,&王爱勤.(2013).Preparation of a polyelectrolyte-coated magnetic attapulgite composite for the adsorption of precious metals.Journal of Materials Chemistry A,1(15),4804-4811. |
| MLA | Mu B,et al."Preparation of a polyelectrolyte-coated magnetic attapulgite composite for the adsorption of precious metals".Journal of Materials Chemistry A 1.15(2013):4804-4811. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| c3ta01620j.pdf（578KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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