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SINGLE UNIT CHROME PURIFIER (3.3ltrs)
For the requirements of smaller bath volumes of Chrome Plating Baths, P. M. Recovery Systems has developed chrome purifier unit with single diaphragm which could be installed right inside the working chrome plating bath avoiding the cost of circulatory Pump/Outside treatment tank and extra electrodes.Also it saves a lot of space in the process.
The working technology is electrolytic separation based on electro- dialysis using diaphragm for the removal of metallic impurities such as Iron, Copper, Nickel, Aluminum, Zinc & Trivalent Chrome and also re-oxidize trivalent chrome from all types of chrome plating solutions including hard chrome and decorative chrome plating baths.
Metallic impurities such as Iron, Copper, Nickel, Aluminum, Zinc & Trivalent Chrome Migrate through the diaphragm to the cathodic compartment. Cations are reduced at the cathode resulting into evolution of hydrogen raising the pH of the Catholyte, this results into the metal hydroxides precipitation inside the cathodic chamber.
ADVANTAGES OF SINGLE DIAPHRAGM CHROME PURIFIER:
The Single Diaphragm Chrome Purifier can be installed on one side of the cathodic bus bar or at the corner of the working bath, whichever is suitable for the operator.
PROBLEMS FACED WHEN LEVEL OF IMPURITIES GETS TOO HIGH: