发明名称 SYSTEM FOR TREATMENT OF PHOTOGRAPHIC WASTEWATER EFFLUENT AND PROCESS THEREFOR
摘要 There is disclosed a system for treatment of wastewater effluent from a photographic process which produces a developer effluent, a bleach effluent and a fixer effluent. The system comprises a developer treatment zone, a bleach treatment zone and a fixer treatment zone. Within each zone, there are provided defined means of pH adjustment of the effluent and a defined electrolytic cell for electrolysis of the effluent. A process for conducting the system is also provided. The invention may be advantageously used to reduce the concentration of or eliminated chemicals contained in the effluent.
申请公布号 CA2078059(A1) 申请公布日期 1993.03.12
申请号 CA19922078059 申请日期 1992.09.11
申请人 ENVIRONMENTAL SYSTEMS (INTERNATIONAL) LIMITED 发明人 NEALE, MICHAEL E.
分类号 C02F1/461;C02F9/00;C25C1/20;(IPC1-7):C02F1/461 主分类号 C02F1/461
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