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由于美国西部低品位金矿床的发现和黄金价格的上涨,有必要找到一种成本低廉的回收工艺,如氰化堆浸工艺,这种工艺在智利北部和中部也可适用。同时也发展了溶液用碳吸附及洗脱的工艺。虽然铜和铀早已采用溶浸法,但是金银
Due to the discovery of low-grade gold deposits in the western United States and the rising gold prices, it is necessary to find a cost-effective recovery process, such as a cyanidation heap leaching process, which is also applicable in northern and central Chile. At the same time also developed a solution of carbon adsorption and elution process. Although copper and uranium have been used in the leaching method, but gold and silver