Production of hypochlorite from impure saline solutions

Details Production of hypochlorite from impure saline solutions Production of hypochlorite from impure saline solutions

C - Chemistry, Metallurgy

25

B

204/57.1

C25B 1/26 (2006.01) C25B 11/02 (2006.01) C25B 15/00 (2006.01) C02F 1/461 (2006.01) C02F 1/467 (2006.01)

Patent

CA 1072487

PRODUCTION OF HYPOCHLORITE FROM IMPURE SALINE SOLUTIONS ABSTRACT OF THE DISCLOSURE The formation of hardness-caused deposits on the cathodic surfaces of cells used in the electrolytic production of hypochlorite from impure saline solutions is reduced and good current efficiencies are realized by employing flat, con- tinuous cathodes having a surface roughness of less that 2.54 x 10-4cm. and passing said solution by said cathodes during electrolysis at a velocity of from 0.3 meter/sec. to an upper limiting velocity which is expressed by the formula: V = 3(101-?) wherein V is the velocity in meters per second and K is the concentration of available chlorine in grams per litre.

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