Chemistry: electrical and wave energy – Processes and products
Patent
1981-04-13
1982-10-19
Andrews, R. L.
Chemistry: electrical and wave energy
Processes and products
204128, 204258, 204266, 204284, 204283, C25G 134, C25G 1103, C25G 900, C25G 1108
Patent
active
043549055
ABSTRACT:
The use of a perforated plate anode in combination with a cation exchange membrane has been found to be extremely effective for rendering the current distribution in the cation exchange membrane uniform in practice of the ion exchange membrane process for the electrolysis of an aqueous solution of an alkali metal chloride. The uniform current distribution in the cation exchange membrane is, in turn, effective for preventing elevation of the electrolytic voltage and prolonging the life of the cation exchange membrane. Further, when the coating of the perforated plate anode on its front surface and the inner wall surfaces of the openings has a thickness larger than that of the coating on the back surface, the perforated plate anode has high durability and exhibits low electrolytic voltage for a long time as compared with the perforated plate anode having, on each surface, a uniform-thick coating.
REFERENCES:
patent: 4100050 (1978-07-01), Cook, Jr. et al.
patent: 4105514 (1978-08-01), Justice et al.
patent: 4108742 (1978-08-01), Seko et al.
Matsuoka Hiroyoshi
Yoshida Mitsuo
Andrews R. L.
Asahi Kasei Kogyo Kabushiki Kaisha
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