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公开(公告)号:US4543169A
公开(公告)日:1985-09-24
申请号:US527967
申请日:1983-08-31
IPC分类号: C01G3/00 , C01G5/00 , C01G7/00 , C01G11/00 , C01G15/00 , C01G55/00 , C23G1/36 , C25C1/00 , C25C1/20 , C25C1/12 , C25C1/16
CPC分类号: C25C1/00 , C01G11/003 , C01G15/003 , C01G3/003 , C01G5/003 , C01G55/001 , C01G7/003 , C22B3/42 , C25C1/20 , Y02P10/234 , Y10S423/14
摘要: A method is described for precious metal recovery from acidic precious metal-cyanide solutions by means of a weakly-basic anion-exchange material comprising a polymeric felt incorporating radiation-grafted pyridinyl functional groups.
摘要翻译: 描述了一种通过包含含有辐射接枝的吡啶基官能团的聚合物毡的弱碱性阴离子交换材料从酸性贵金属氰化物溶液中回收贵金属的方法。
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公开(公告)号:US4500396A
公开(公告)日:1985-02-19
申请号:US574048
申请日:1984-01-26
IPC分类号: C01G1/00 , B01J47/12 , C01G3/00 , C22B3/00 , C22B3/42 , C22B11/00 , C22B15/00 , C22B17/00 , C22B23/00 , C23F1/46 , C25C1/12
CPC分类号: C23F1/46 , B01J47/123 , C01G3/003 , C22B3/42 , Y02P10/234 , Y10S423/14 , Y10S8/18
摘要: A method is described for metal recovery from basic ammoniated metal solutions by means of a weakly-acidic cation-exchange material comprising a polymeric felt incorporating radiation-grafted monomers comprising carboxylic acid functional groups.
摘要翻译: 描述了一种通过弱酸性阳离子交换材料从碱性氨化金属溶液中回收金属的方法,所述弱酸性阳离子交换材料包括含有包含羧酸官能团的辐射接枝单体的聚合物毡。
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3.
公开(公告)号:US2323424A
公开(公告)日:1943-07-06
申请号:US35502840
申请日:1940-08-31
申请人: GEORGE SCHORE
发明人: GEORGE SCHORE
IPC分类号: C23C22/48
CPC分类号: C23C22/48
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