云南黄金矿业集团股份有限公司下属某矿山磨矿系统已满足不了氰化浸出更高的细度要求.通过改变磨矿介质,大幅度增加了矿浆中-0.045 mm粒级含量,提高金的浸出率1.7％以上,经济效益显著.%The grinding system of some mine subsidiary to Yunnan Gold Mining Group Co. , is not able to reach the higher cyanide leaching fineness requirements. By changing the grinding media, a substantial increasing is obtained in -0. 045mm grain content in the pulp, which improves the leaching rate of gold by more than 1.7%, with significant economic benefits.
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