发明名称 Method for recovering iron in a photographic effluent
摘要 <p>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. <IMAGE></p>
申请公布号 EP0833196(A1) 申请公布日期 1998.04.01
申请号 EP19970420165 申请日期 1997.09.15
申请人 EASTMAN KODAK COMPANY 发明人 STRAUEL, PHILIPPE
分类号 G03C5/00;C02F1/52;C02F1/64;G03C5/395;(IPC1-7):G03C5/395 主分类号 G03C5/00
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