Oncel M Salim, Ince Mahir, Bayramoglu Mahmut
Department of Environmental Engineering, Engineering Faculty, Gebze Institute of Technology, 41400 Gebze, Kocaeli, Turkey.
Ultrason Sonochem. 2005 Feb;12(3):237-42. doi: 10.1016/j.ultsonch.2003.10.007.
Thiourea leaching of precious metals such as gold and silver from ores has several advantages when compared with conventional cyanidation process. In recent years, the use of ultrasound in leaching processes is becoming increasingly popular in hydrometallurgy. This paper deals with combining these two techniques for silver leaching from solid waste of a cyanidation leach plant located in Kutahya, Turkey. The primary aim of this research is to assess the technical performance of the method. To achieve maximum leaching yield, eight process variables have been selected to estimate optimum process conditions by means of statistical factorial design and steepest ascent techniques. Laboratory-scale experiments showed that complete leaching of silver may be achieved by this process.
与传统的氰化法相比，用硫脲从矿石中浸出金、银等贵金属有几个优点。近年来，超声在浸出过程中的应用在湿法冶金中越来越普遍。本文探讨了将这两种技术结合用于从位于土耳其库塔希亚的一个氰化浸出厂的固体废料中浸出银。本研究的主要目的是评估该方法的技术性能。为了实现最大浸出率，通过统计因子设计和最速上升技术选择了八个工艺变量来估算最佳工艺条件。实验室规模的实验表明，通过该工艺可以实现银的完全浸出。
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