ZHAO Yu,HE Xiang-zhu,ZHAO Guo-peng,FU Zhi-hong.Effect of Iron Exchange Membranes and Current Density on the Regeneration of Spent Electroless Nickel Plating Bath by Electrodialysis[J],39(5):32-34,110
Effect of Iron Exchange Membranes and Current Density on the Regeneration of Spent Electroless Nickel Plating Bath by Electrodialysis
Received:July 15, 2010  Revised:October 10, 2010
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KeyWord:electroless nickel plating  spent bath  Electrodialysis  regeneration
           
AuthorInstitution
ZHAO Yu Faculty of Light and Chemical, Guangdong University of Technology, Guangzhou , China
HE Xiang-zhu 1.Faculty of Light and Chemical, Guangdong University of Technology, Guangzhou , China;2.Guangzhou Etsing Plating Research Institute, Guangzhou , China
ZHAO Guo-peng Guangzhou Etsing Plating Research Institute, Guangzhou , China
FU Zhi-hong Faculty of Light and Chemical, Guangdong University of Technology, Guangzhou , China
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Abstract:
      Application of electrodialysis technique can effectively reduce the cost of electroless nickel plating and decrease the pollution of environment. Using three different types of ion-exchange membrane of a nickel-plating plant waste for regeneration electrodialysis treatment, by measuring the removal rate of HPO32-, loss rate of Ni2+ and H2PO2-, to determine one of the ion-exchange membranes both betterin desalination rate and selectivity of HPO32- and H2PO2-. And using this ion-exchange membrane of a better natural capacity to experiment, studied the current density that removal(loss)rate affect of HPO32-, Ni2+ and H2PO2- for the nickel plating waste. The result shows that the regeneration effect of nickel plating waste is best when current density is 65 mA/cm2.
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