Brine systems for chlor-alkali membrane cells

Details Brine systems for chlor-alkali membrane cells Brine systems for chlor-alkali membrane cells

1982-09-13

1984-07-10

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204128, 159 471, C25B 1508, C25B 114, C25B 118, C25B 134

Patent

active

044591888

ABSTRACT:
This invention relates to a new and novel brine system for use in electrolyzing salt to chlorine, caustic soda and hydrogen in chlor-alkali cells employing an ion exchange membrane and, more particularly, to the efficient use of brine as the raw material to be electrolyzed in chlor-alkali membrane cells. This invention also relates to a process for the conversion of a diaphragm cell and evaporator plant to one employing membrane type cells while still utilizing the existing brine treatment and caustic evaporation equipment and the resultant plant installations.

REFERENCES:
patent: 3402113 (1968-09-01), Tsao
patent: 3403083 (1968-09-01), Currey et al.
patent: 3616328 (1971-10-01), Currey et al.
patent: 3745101 (1973-07-01), Currey et al.
patent: 4176023 (1979-11-01), Childress
patent: 4209369 (1980-06-01), Seko et al.
patent: 4214957 (1980-07-01), Ogawa et al.
patent: 4267026 (1981-05-01), Patel

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