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Nickel and cobalt recovery process from lateritic ores using ion exchange resin and product containing nickel or cobalt
Nickel and cobalt recovery process from lateritic ores using ion exchange resin and product containing nickel or cobalt
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机译:使用离子交换树脂和含镍或钴的产品从红土矿石中回收镍和钴的过程
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摘要
The process, according to the invention, comprises the following stages: (a) processing (1) of the laterite ore (O) by crushing, scrubbing, attrition, separation, and high-intensity magnetic separation; (b) Leaching (2) of the non-magnetic fraction (CN) obtained form the previous stage (a); (c) optionally, neutralization (3) of the effluent from the leaching and/or solid-liquid separation stages (4); (d) treatment of the effluents from stages (b) or (c) using an ion-exchange hybrid system (5) comprising at least one circuit for removal of impurities and at least one circuit for recovery of nickel and coba (e) elution (6) of the ion-exchange resin used; (f) separation, purification, and recovery (7) of the nickel and cobalt.
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