Process for removing available halogen from anolyte brine

Details Process for removing available halogen from anolyte brine Process for removing available halogen from anolyte brine

1984-04-16

1984-09-11

Andrews, R. L.

Chemistry: electrical and wave energy

Processes and products

204128, 204129, C25B 146, C25B 126, C25B 102

Patent

active

044708912

ABSTRACT:
A process is disclosed for substantially reducing the dissolved halogen and hypohalite ion concentration in a recycled brine from a membrane electrolytic cell with a closed loop brine system comprising the addition of a non-sulfate generating reducing agent to the brine in a less than conventional stoichiometric molar quantity in relation to each mole of available halogen and hypohalite present in the brine after the steps of dehalogenation, precipitation and pH adjustment.

REFERENCES:
patent: 3630674 (1971-12-01), Davidson, Jr.
patent: 3920529 (1975-11-01), Sprague
patent: 3970528 (1976-07-01), Birngiebl et al.
patent: 4169773 (1979-10-01), Lai et al.
patent: 4169773 (1979-10-01), Lai et al.
patent: 4242375 (1981-01-01), Lohrberg
patent: 4272338 (1981-06-01), Lynch et al.
patent: 4272338 (1981-06-01), Lynch et al.
patent: 4443307 (1984-04-01), Moore et al.

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