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Method for comprehensively recycling copper-nickel sulfide ore and system thereof
Method for comprehensively recycling copper-nickel sulfide ore and system thereof
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机译：铜镍硫化矿矿石综合回收方法及其系统
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摘要
Disclosed are a method for comprehensively recycling a copper-nickel sulfide ore and a system thereof. Under normal pressure conditions, a copper-nickel sulfide ore concentrate can be directly leached out or a low nickel matte can be obtained by matte smelting the copper-nickel sulfide ore. During the leaching, the leaching ratio for nickel, cobalt and iron is up to 99% or more and hardly any copper is leached out, thereby directly achieving the deep separation of copper from elements such as nickel and cobalt and abolishing the colossal system for the separation of copper from nickel in traditional processes. At the same time, the precious metals are also not leached out and almost entirely remain in a leaching residue together with the copper. The method simplifies the smelting process of a copper-nickel sulfide ore and effectively achieves the recycling of nickel, copper, cobalt, precious metals and the element sulfur.
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