发明授权
- 专利标题: Reduction leaching of raw sea nodules with sulfides
- 专利标题(中): 用硫化物还原浸出生海结核
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申请号: US664752申请日: 1976-03-08
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公开(公告)号: US4085188A公开(公告)日: 1978-04-18
- 发明人: Kohur Nagaraja Subramanian , Gerald Vernon Glaum
- 申请人: Kohur Nagaraja Subramanian , Gerald Vernon Glaum
- 申请人地址: NY New York
- 专利权人: The International Nickel Company, Inc.
- 当前专利权人: The International Nickel Company, Inc.
- 当前专利权人地址: NY New York
- 优先权: CA222914 19750324; CA247157 19760304
- 主分类号: C22B23/00
- IPC分类号: C22B23/00 ; C01G45/00 ; C22B3/00 ; C22B3/04 ; C22B15/00 ; C22B47/00 ; C01G3/14 ; C01G51/12 ; C01G53/12
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.
公开/授权文献
- US5726473A Semiconductor device minimizing hot carrier generation 公开/授权日:1998-03-10
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