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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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