System for treatment of photographic wastewater effluent and...

Details System for treatment of photographic wastewater effluent and... System for treatment of photographic wastewater effluent and...

C - Chemistry, Metallurgy

02

F

C02F 1/461 (2006.01) C02F 9/00 (2006.01) C25C 1/20 (2006.01)

Patent

CA 2078059

ABSTRACT OF THE DISCLOSURE 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.

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