Separation of gold from iodine-iodide solutions by cementation on zinc particles

被引：7

作者：

Angelidis, TN

Kydros, KA

机构：

[1] Department of Chemistry, Box 114, Aristotle University

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 1996年 / 31卷 / 08期

关键词：

D O I：

10.1080/01496399608001337

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Separation of gold from iodine-iodide solutions by cementation on zinc particles was studied. The effect of various parameters such as mixing rate, temperature, zinc particles size, and initial concentrations of gold-iodide complex and iodine were examined. The reaction was found to be under diffusion control at the conditions studied. Due to iodine side reactions, excess zinc consumption and a subsequent retardation of the cementation reaction rate were identified. A well-defined, conventional first-order kinetics model was established to explain the experimental findings.

引用

页码：1105 / 1121

页数：17

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