【摘要】 近年来,黄金选冶技术发展十分迅速,在常规矿石和难处理矿石选冶技术领域均实现了重大突破。文中详细论述了破碎磨矿、重选、浮选、氰化、金银精炼等工艺技术的改进与发展;同时论述了焙烧氧化、热压氧化、生物氧化和化学氧化等难选冶矿石预处理技术的现状及发展趋势。更多还原

【Abstract】 The technology of gold extraction has developed rapidly.The remarkable advances have be made in the technologies of gold from both easy-to-treating ores and refractory ores.The article describes the advances in crushing,grinding,gravity concentration,flotation,cyanidation and refining of gold and silver;It also presents recent status and prospects of pretreatment processes such as roasting,pressure oxidation,biooxidation and chemical pretreatment.更多还原