发明公开
EP0833196A1 Method for recovering iron in a photographic effluent
失效
阿尔瓦斯森（Verwahren zurRückgewinnungvon Eisen aus photoischen）Abwässern
- 专利标题： Method for recovering iron in a photographic effluent
- 专利标题（中）： 阿尔瓦斯森（Verwahren zurRückgewinnungvon Eisen aus photoischen）Abwässern
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申请号： EP97420165.9申请日： 1997-09-15
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公开(公告)号： EP0833196A1公开(公告)日： 1998-04-01
- 发明人: Strauel, Philippe
- 申请人： EASTMAN KODAK COMPANY
- 申请人地址： 343 State Street Rochester, New York 14650-2201 US
- 专利权人： EASTMAN KODAK COMPANY
- 当前专利权人： EASTMAN KODAK COMPANY
- 当前专利权人地址： 343 State Street Rochester, New York 14650-2201 US
- 代理机构： Parent, Yves
- 优先权： FR9611961 19960925
- 主分类号： G03C5/395
- IPC分类号： G03C5/395 ; C02F1/52
摘要：
The present invention concerns the treatment of an aqueous effluent and consists of ridding it of the iron which it contains, notably in the form of a complex.
The method according to the invention consists of treating this effluent by successively a silicate, and a magnesium and aluminium hydroxycarbonate, then decanting and filtering.
The method according to the invention is particularly useful in the treatment of photographic effluents.
The method according to the invention consists of treating this effluent by successively a silicate, and a magnesium and aluminium hydroxycarbonate, then decanting and filtering.
The method according to the invention is particularly useful in the treatment of photographic effluents.
公开/授权文献
- EP0833196B1 Method for recovering iron in a photographic effluent 公开/授权日：2002-11-27
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