Process for the electrolysis of an aqueous sodium chloride solut

Details Process for the electrolysis of an aqueous sodium chloride solut Process for the electrolysis of an aqueous sodium chloride solut

1981-01-30

1983-02-22

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204128, C25B 134

Patent

active

043747116

ABSTRACT:
In a process for the electrolysis of an aqueous sodium chloride solution comprising, in combination, a diaphragm process and a cation exchange membrane process, the sodium chloride obtained from the diaphragm process is dissolved in the weak saline solution obtained from the cation exchange membrane process to obtain a saline solution, which, in turn, is supplied to the anode chamber of the diaphragm process. By the present process, there can be obtained sodium hydroxide of which the impurities content is extremely low, with high efficiency.

REFERENCES:
patent: 3321388 (1967-05-01), Ueda et al.
patent: 3897320 (1975-07-01), Cook
patent: 4100050 (1978-07-01), Cook et al.
patent: 4147600 (1979-04-01), Rutherford et al.

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