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US4085188A Reduction leaching of raw sea nodules with sulfides 失效
用硫化物还原浸出生海结核

Reduction leaching of raw sea nodules with sulfides
摘要:
A process for extracting metal values from sea nodules is provided in which nickel, cobalt and copper values are selectively extracted by leaching raw sea nodules in an aqueous ammoniacal medium in the presence of a reducing agent for tetravalent manganese and carbonate to precipitate the reduced manganese as manganous carbonate.
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