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an acid supplemented solution 谢谢 原文出处如下 【发明名称】: Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material 【摘要】:a process for the recovery of nickel and cobalt from laterite ores, the process including the steps of: a) beneficiating the ore to separate it into a beneficiated upgraded ore fraction and a coarse, siliceous low grade rejects fraction which is substantially free from fines and clay materials; b) separately processing the upgraded ore fraction for the recovery of nickel and cobalt; and c) subjecting the low grade rejects fraction to a heap leach process with an acid supplemented solution to create a heap leachate for further nickel and cobalt recovery processing. [ Last edited by liangduoqiang on 2007-11-23 at 03:14 ] |
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