发明授权
- 专利标题： Process for precipitating precious metals from solutions which contain them
- 专利标题（中）： 从含有它们的溶液中沉淀贵金属的工艺
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申请号： US866904申请日： 1978-01-04
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公开(公告)号： US4163664A公开(公告)日： 1979-08-07
- 发明人: Renato Ugo
- 申请人： Renato Ugo
- 申请人地址： ITX Milan
- 专利权人： PROTEC Processi e Tecnologie S.p.A.
- 当前专利权人： PROTEC Processi e Tecnologie S.p.A.
- 当前专利权人地址： ITX Milan
- 优先权： ITX21716A/75 19750327
- 主分类号： C22B11/00
- IPC分类号： C22B11/00 ; B01J38/00 ; C01G1/02 ; C01G5/00 ; C01G7/00 ; C01G55/00 ; C02F1/62 ; C02F1/70 ; C22B3/00 ; C22B3/26 ; C22B3/44 ; C22B11/04
摘要：
Process for the practically total precipitation of precious metals from solutions which contain them, according to which said solutions are treated with carbon monoxide in the presence of a quantity of water or a primary or secondary alcohol at least equal in weight to the total quantity of precious metal present.
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