【Key words】 nickle; cobalt; nickel-cobalt separation; mixed extractant; centrifugal extractor
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The effect of 2 ethylhexyl phosphonic acid mono 2 ethylhexyl ester (HEHEHP) on the extraction and separation of cobalt and nickel was investigated.
研究了采用2-乙基己基膦酸2-乙基己基酯萃取剂对钴、镍的萃取性能和分离系数的影响；
The separation of nickel, cobalt and copper from ammonium carbonate solution was carried out by solvent extraction.
采用溶剂萃取从碳酸铵溶液中分离镍、钴、和铜。
The results show that cobalt and nickel in the solution can be separation and recovered. The recovery of cobalt and nickel can reach to 99%.
试验结果表明，采用该方法，可将溶液中的钴和镍有效分离并回收，钴、镍回收率均达99%。
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