电镀污泥中镍的回收技术研究 关键词：电镀污泥；镍回收；氨浸；N902；萃取 [gap=4528]Key words：eleetroplating sludge；nickel recovery；ammonia leaching；N902；extraction
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pure nickel recovery 回收纯镍
recovery of nickel and copper 镍和铜的回收
Nickel Metal Recovery 镍金属回收
recovery nickel 回收镍
Under the condition of producing qualified nickel concentrate, the increase of nickel recovery is limited in a bench test and commercial test by strengthening pulp dispersion and desliming.
针对矽酸盐型镍矿石采用目前成熟的浮选方法回收其中的镍，在产出合格镍精矿的前提下，通过强化矿浆分散、脱泥的小型试验和工业试验，镍回收率提高有限。
The experiment results showed that the dosage of coke had the largest effect on the recovery of cobalt and nickel, but no obvious influence on the recovery of copper.
试验结果表明，还原剂焦炭用量对金属钴镍收率影响最大，用量过大或过少都不利于钴镍的回收，而对铜的回收率影响不明显；
The results show that the existing technological flowsheet can well recover nickel, copper and cobalt while the precious metal recovery level remains to be improved.
结果表明，现有工艺流程能较好地回收镍、铜、钴等金属，而贵金属的回收水平有待提高。
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