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Selective Adsorption, Reduction, and Separation of Au(III) from Aqueous Solution with Amine-Type Non-Woven Fabric Adsorbents
Huang, C; Xu, X; Ao, JX; Ma, L; Ye, F; Wang, ZQ; Xu, L; Zhao, XY; Ma, HJ
2020
Source PublicationMATERIALS
ISSN1996-1944
Volume13Issue:13Pages:-
Subtype期刊论文
AbstractHerein, adsorption, separation, and reduction of Au(III) from its aqueous solution were studied with different amine-type, non-woven fabric (NF) adsorbents fabricated with radiation-induced graft polymerization. The adsorbents exhibited different adsorption capacities of Au(III) over a concentration range of hydrochloric acid (HCl) from 5 mM to 5 M, and the diethylamine (DEA)-type adsorbent performed best under all test conditions. The DEA-type adsorbent was inert toward other metal ions, including Cu(II), Pb(II), Ni(II), Zn(II) and Li(I), within the fixed concentration range of HCl. Flow-through adsorption tests indicated DEA-type adsorbent exhibited a rapid recovery and high adsorption capacity of 3.23 mmol/g. Meanwhile, DEA-type adsorbent also exhibited high selectivity and rapid extraction for Au(III) from its mixed solution with Pt(IV) and Pd(II). After adsorption, the reduction of Au(III) was confirmed by XRD spectra, TEM, and digital micrograph images. The results indicated that nano-sized Au particles were mainly concentrated on the adsorbent in 5 mM HCl solution. In 1 M HCl solution, not only nano-sized Au particles were found, but also micro-size Au plates precipitation occurred. This study provides a novel material for selective and efficient gold uptake from aqueous solution.
KeywordGOLD NANOPARTICLES ELECTRONIC WASTE ACTIVATED CARBON PRECIOUS METALS RECOVERY PALLADIUM(II) PLATINUM(IV) SORBENT
DOI10.3390/ma13132958
Indexed BySCI ; EI
Language英语
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/33123
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Changzhou Univ, Sch Petrochem Engn, Changzhou 213164, Jiangsu, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Huang, C,Xu, X,Ao, JX,et al. Selective Adsorption, Reduction, and Separation of Au(III) from Aqueous Solution with Amine-Type Non-Woven Fabric Adsorbents[J]. MATERIALS,2020,13(13):-.
APA Huang, C.,Xu, X.,Ao, JX.,Ma, L.,Ye, F.,...&Ma, HJ.(2020).Selective Adsorption, Reduction, and Separation of Au(III) from Aqueous Solution with Amine-Type Non-Woven Fabric Adsorbents.MATERIALS,13(13),-.
MLA Huang, C,et al."Selective Adsorption, Reduction, and Separation of Au(III) from Aqueous Solution with Amine-Type Non-Woven Fabric Adsorbents".MATERIALS 13.13(2020):-.
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