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采用鼓风酸浸、Ｐ_（２０４）萃取除杂、Ｐ_（２０４）萃取分离钴、镍的工艺流程，对钴、镍、铬含量较高的合金废料实行了综合回收，钴的回收率达８４．６％。采用该流程可快、省、优地生产出合格的氧化钴粉和综合回收氧化亚镍。
The technological process of separation of cobalt and nickel by P204 extraction and extraction with P_ (204) was studied. The comprehensive recovery of cobalt, nickel and chromium alloy waste was carried out. The recovery rate of cobalt was 84 .6%. The process can be fast, provincial, excellent production of qualified cobalt oxide powder and comprehensive recovery of nickel oxide.