由于现有矿石的矿物组成日益复杂与贫化,曾一度经历萧条的选矿工业在过去的十年中不得不迅速发展能经济地处理上述矿物的工艺。大部分新发展的工艺,诸如溶液萃取、离子交换等化学选矿日益得到应用,除了计算机与较大型机器的应用外,在物理选矿领域很少有革命性的重大变革。传统的破碎与磨矿方法半世纪以来基本上没有什么变化,接着还是那些老一套的可靠的浮选、 Due to the increasingly complex and depleted mineral composition of existing ores, the once-experienced mineral processing industry has had to rapidly develop processes that economically address these minerals over the past decade. Most newly developed processes, such as solution extraction and ion exchange, are increasingly being beneficiated for chemical beneficiation. In addition to the use of computers and larger machines, there have been few revolutionary changes in the field of physical beneficiation. The traditional method of crushing and grinding almost half a century has changed little, followed by those old set of reliable flotation,