Research Progress of Antimony Removal Technology by Pretreatment of Antimony-bearing Gold Ore
Received date: 2020-09-01
Revised date: 2020-10-16
Online published: 2021-03-04
Antimony-bearing gold ore is a common refractory gold ore.Gold is often wrapped in antimonite and other sulfide ores,due to the presence of antimony,the extraction rate of gold is often low when leaching by the traditional cyanide method.Removal of antimony minerals through pretreatment method is of great importance to enhance the leaching efficiency of gold.This paper introduces the recent development on the pretreatment methods,such as flotation,roasting,acid or alkaline leaching,biological leaching and pressure leaching.The advantages and disadvantages of different processes were compared and the status quo of industrialization of each process was analyzed.Based on the research results, it is believed that the research of antimony-bearing gold mines should be developed in a more environmentally friendly, more efficient, and safer direction.Therefore,hydrometallurgy has become the focus of research.The application of new process methods and the development of new agents can not only ensure high efficiency and safety,but also ensure environmental protection and economy.
Shixiong GAO , Guobao CHEN , Hongying YANG , Pengcheng MA . Research Progress of Antimony Removal Technology by Pretreatment of Antimony-bearing Gold Ore[J]. Gold Science and Technology, 2020 , 28(6) : 792 -799 . DOI: 10.11872/j.issn.1005-2518.2020.06.155
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