Method and apparatus for purification of aqueous zinc...

Details Method and apparatus for purification of aqueous zinc... Method and apparatus for purification of aqueous zinc...

G - Physics

01

N

204/74, 73/95

G01N 31/12 (2006.01) B01J 19/00 (2006.01) C01G 9/00 (2006.01) C01G 9/06 (2006.01) C22B 3/02 (2006.01) C25B 1/04 (2006.01) C25C 1/16 (2006.01) G01G 11/04 (2006.01) G01N 7/06 (2006.01)

Patent

CA 1071429

ABSTRACT OF THE DISCLOSURE A method and apparatus for determining the purity of a purified zinc sulphate solution used for the electrolytic production of zinc, which are based on the finding that the purity of the purified electrolyte has a fixed relationship with the ratio between the amount of hydrogen gas and the amount of oxygen gas generated by electrolysis of the purified electrolyte. According to the method and apparatus, a mixture of hydrogen gas and oxygen gas generated by the electrolysis of the purified zinc sulphate solution is charged in a combustion chamber of predetermined vellum and ignited by a heater to ignite the hy- drogen gas, and the difference between the internal pressures of the combustion chamber before and after the combustion of the hydrogen gas is detected for measuring the hydrogen gas content in the gas mixture.

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