Kinetic studies of sorption and reduction of gold(III) chloride complex ions on activated carbon Norit ROX 0.8

被引：28

作者：

Wojnicki, Marek ^{[1
]}

Luty-Blocho, Magdalena ^{[1
]}

Socha, Robert P. ^{[2
]}

Mech, Krzysztof ^{[3
]}

Pedzich, Zbigniew ^{[4
]}

Fitzner, Krzysztof ^{[1
]}

Rudnik, Ewa ^{[1
]}

机构：

[1] AGH Univ Sci & Technol, Nonferrous Met, PL-30059 Krakow, Poland

[2] Polish Acad Sci, Inst Catalysis & Surface Chem, PL-30239 Krakow, Poland

[3] AGH Univ Sci & Technol, Acad Ctr Mat & Nanotechnol, PL-30059 Krakow, Poland

[4] AGH Univ Sci & Technol, Mat Sci & Ceram, PL-30059 Krakow, Poland

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2015年 / 29卷

关键词：

Adsorption; Functional groups; Recovery; Gold(III) chloride complex ions; Model; GOLD; ADSORPTION; RECOVERY; METALS;

D O I：

10.1016/j.jiec.2015.03.036

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The kinetic studies of sorption and reduction of gold(III) chloride complex ions on activated carbon Norit ROX 0.8 were carried out. Experiments were performed at different initial concentrations of gold(III) chloride complex ions, agitation rates, temperature as well as initial mass of the adsorbent. SEM, XRD and XPS analyses have confirmed the presence of metallic gold on the activated carbon surface. XPS analysis showed that reduction of gold(III) ions is accompanied by the oxidation of phenolic hydroxide superficial groups. Kinetic equation of a first-order-reaction was found suitable for process description. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：289 / 297

页数：9

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