Electrolysis: processes – compositions used therein – and methods – Electrolytic synthesis – Preparing inorganic compound
Patent
1998-11-24
2000-10-17
Valentine, Donald R.
Electrolysis: processes, compositions used therein, and methods
Electrolytic synthesis
Preparing inorganic compound
205536, 205554, 205556, 205617, 205625, 205532, C25B 134, C25B 100, C25B 1104, C25C 100
Patent
active
061325910
ABSTRACT:
In removal of sulfate groups and chlorate groups from brine used for electrolysis, concentrated brine used in an electrolysis process or dilute brine whose concentration is decreased by electrolysis is fed to an anode chamber divided by a cation exchange membrane in a brine treating electrolyzer, where the concentrated or dilute brine is electrolyzed to recover chloride ions therein. The concentrated brine is electrolyzed at a rate of decomposition of salt higher than that in the ion exchange membrane electrolysis process of brine. Thereafter, the concentrated or dilute brine is discharged out of the electrolysis process.
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Kishi Takamichi
Matsuoka Terumi
Ohara Masahiro
Chlorine Engineers Corp. Ltd.
Valentine Donald R.
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