Title of article
Thiol functionalized mesoporous silicas for selective adsorption of precious metals
Author/Authors
Zheng، نويسنده , , Huajun and Hu، نويسنده , , Denghong and Zhang، نويسنده , , Lei and Ma، نويسنده , , Chun’an and Rufford، نويسنده , , Tom، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2012
Pages
7
From page
20
To page
26
Abstract
Thiol functionalized mesoporous silica (TFMS) with ordered hexagonal pore structure was fabricated by one-step synthesis pathway. The selective adsorption for precious metals was investigated using single component and binary adsorption solutions. The TFMS displayed strong affinity for gold or platinum in specific conditions with a large adsorption capacity, and showed a high selectivity in the binary solutions within 30 min. Furthermore, gold and platinum could be totally recovered by elution with 5 M HCl and 0.7 M thiourea–2 M HCl, respectively.
Keywords
Precious metals , Mesoporous silicas , Selective adsorption , Thiol functionalization
Journal title
Minerals Engineering
Serial Year
2012
Journal title
Minerals Engineering
Record number
2276593
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