发明名称 Recovery of silver from photographic film and photographic development waste solution
摘要 A process which incorporates the recovery of silver from photographic film into the recovery of silver from photographic development waste solution is provided. In the process, a silver bearing emulsion layer coated on the surface of the photographic film is dissolved in the waste solution which is in turn subjected to an electrolysis treatment to recover metallic silver therefrom.
申请公布号 US5238543(A) 申请公布日期 1993.08.24
申请号 US19920880237 申请日期 1992.05.08
申请人 INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE 发明人 ONLIN, TYNGBIN;JEAN, JENG-SHYONG;LEE, PAK-HING;CHEAU, TEI-CHIH
分类号 C02F1/461;C02F1/467;C25C1/20;G03C5/00;G03C11/24 主分类号 C02F1/461
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