C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
204/57.3
C25B 1/16 (2006.01) C01D 1/42 (2006.01) C25B 1/46 (2006.01)
Patent
CA 1109018
METHOD FOR CONCENTRATING AQUEOUS CAUSTIC ALKALI SOLUTION Abstract of the disclosure: Heated substances, e.g. electrolytes or gases from electrodes, formed during electrolysis of an alkali halide in an electrolytic cell using a cation exchange membrane to separate anode and cathode chambers are used effectively as heat source for heating an aqueous caustic alkali solution to be concentrated in an evaporator. - 1 -
263360
Kazihara Akira
Kobayashi Takekuni
Ogawa Shinsaku
Seko Maomi
Asahi Kasei Kogyo Kabushiki Kaisha
Ridout & Maybee Llp
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