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一九七五年,吉林省冶金研究所按冶金工业部要求,采用硫脲提金法对峪耳崖金矿的含金硫精矿进行提金研究。一九七七年,完成了半工业性试验。半工业试验产出的金泥,用坩埚熔炼法熔炼、铸锭。经过生产实践,发现用坩埚熔炼法冶炼金泥有严重缺点,劳动强度大,工艺条件不佳,合质金品位低,金熔融分布不匀,给检测分析带来困难,并且冶炼回收率较低,冶炼成本较高等等。为了解决坩埚熔炼存在的问题,从一九七七年四月,我们进行了用水氯化法从硫脲
In 1975, according to the request of Ministry of Metallurgical Industry, Jilin Metallurgical Research Institute adopted the thiourea extraction method to study the gold-bearing sulfur concentrate of Yu’er Cliff Gold Mine. In 1977, the semi-industrial test was completed. Semi-industrial test output of gold mud, crucible melting smelting, ingot. Through the practice of production, it is found that there is a serious disadvantage in smelting the gold mud by the crucible melting method. The labor intensity is large, the process conditions are not good, the gold quality is low, the gold melt distribution is uneven, which brings difficulties to the testing and analysis and the smelting recovery rate is low, Smelting costs are higher and so on. In order to solve the crucible smelting problems, from April 1977, we conducted a water chlorination method from thiourea