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一般选别细粒嵌布的脉金矿选矿厂通常采用矿石细磨、氰化搅拌浸出、浓密逆流移注法固液分离、浸渣洗涤、母液过滤净化、真空法脱气、从溶液中用锌粉沉淀金。美国现有许多金矿含金品位低,储量有限,或含有干扰的滑石或其他有害成份,使得不能用常规方法进行处理。因此,近年来,矿山局重点研究了适于处理该类矿石的投资低、生产成本低的提取方法。本文介绍两种方法,即氰化堆浸法和矿浆加碳法。在氰化堆浸法中用粒
General classification of fine grain embedded gold and gold ore beneficiation plant usually used ore fine grinding, cyanidation mixing leaching, dense countercurrent shift injection solid-liquid separation, residue washing, mother liquor filtration purification, vacuum degassing, from the solution Zinc powder precipitation gold. Many gold deposits in the United States have low gold content, limited reserves, or contain disturbing talc or other harmful components that can not be disposed of by conventional methods. Therefore, in recent years, the Mines Bureau has focused on the extraction methods suitable for the treatment of such ores with low investment and low production cost. This article describes two methods, namely cyanide heap leaching method and pulp plus carbon method. Granules in the cyanide heap leaching method