The Molecular Sieve Effect in the Adsorption of Gold Cyanide on Carbon Adsorbents

被引：0
作者：
Artamonova, S. D. [1 ]
Fomkin, A. A. [1 ]
Gaidamavichute, V. V. [1 ]
Shkolin, A. V. [1 ]
Men'shchikov, I. E. [1 ]
机构：
[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow 119071, Russia
来源：
PROTECTION OF METALS AND PHYSICAL CHEMISTRY OF SURFACES | 2023年 / 59卷 / 02期
关键词：
adsorption; carbon microporous adsorbent; gold cyanide; Au(CN2)](-);
D O I：
10.1134/S2070205123700132
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Structural and energy characteristics of a number of industrial and prototype samples of microporous carbon adsorbents for the technology of cyanide extraction of gold have been studied. From the results of an analysis of the structural and energy characteristics of microporous carbon adsorbents, it was concluded that adsorbents with a micropore width of about similar to X-0 = 1.1-1.2 nm are the most effective. The adsorption selectivity of such adsorbents is explained by molecular sieve effects with respect to the gold cyanide complex [Au(CN2)](-).
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页码：99 / 105
页数：7
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