Abstract

Efficiency of the electrodialysis technique for the removal of cadmium and cyanide from galvanic industry wastewaters

Author(s): Yasser Hannachi, Aymen Hannachi

This study deals with the removal of cadmium and cyanide from galvanic industry wastewaters.The use of the electrodialysis technique for the treatment of a synthetic wastewater containing approximately 0.0089molL-1 cadmium and 0.086 mol L-1 cyanide was studied using a five-compartment electrodialysis cell. The extraction of cadmiumand cyanide depends on the applied current density and it is limited by the precipitation of cadmium on the cation-exchange membrane in the diluate central cell compartment.


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