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离析法是处理难选氧化铜矿的有效方法。它是1923年在智利研究还原焙烧—氨浸含有少量食盐的氧化铜矿石时发现的,到现在已有五十年的历史。由于当时硫化铜矿资源还不断有新的发现,可供利用。加之三十年代,世界资本主义经济发生危机,铜价下跌,铜的生产只限于那些易选的硫化铜矿。对于采用离析法处理难选氧化铜矿的生产,虽作过一些试验研究,但长期未能获得成功的应用。
Isolation method is an effective method to deal with refractory copper oxide. It was discovered in Chile in 1923 when reducing roasting - ammonia leaching with a small amount of salt of copper oxide ore, and now has 50 years of history. Due to the continuous discovery of sulfide copper resources at that time, it was available for use. In the 1930s, there was a crisis in the world capitalist economy, the price of copper dropped, and the production of copper was confined to those easily accessible copper sulfide ores. Although some experimental studies have been done on the production of refractory copper oxide using segregation method, it has not been successfully applied for a long time.