Process for removing sulphate from electrolysts brine

Details Process for removing sulphate from electrolysts brine Process for removing sulphate from electrolysts brine

1984-12-04

1985-12-03

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

204128, 210670, 210683, 210685, 210724, C25B 116, C25B 100, C02F 146

Patent

active

045564639

ABSTRACT:
Sulfate impurities are removed from alkali metal chloride brine electrolysis cell effluent by diluting the effluent to an alkali metal chloride content of less than 150 grams per liter and then contacting the diluted effluent with a weakly basic anion exchange medium.

REFERENCES:
patent: 2559529 (1951-07-01), Bauman
patent: 2606098 (1952-08-01), Bauman
patent: 2789036 (1957-08-01), Tillman
patent: 3186940 (1965-06-01), Vajna
patent: 3842002 (1974-10-01), Boari
patent: 3970528 (1976-07-01), Zirngiebl et al.
patent: 4078978 (1978-03-01), Zirngiebl
patent: 4445987 (1984-05-01), Benedetto
patent: 4470891 (1984-09-01), Moore et al.
patent: 4488949 (1984-12-01), Lee et al.

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