Process for the production of alkali metal chlorate

Details Process for the production of alkali metal chlorate Process for the production of alkali metal chlorate

1988-10-20

1990-08-07

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

204130, 204 98, C25B 114

Patent

active

049465651

ABSTRACT:
At the production of alkali metal chlorate by electrolysis of an electrolyte containing alkali metal chloride in an electrolyzer, impurities of silicon are removed by precipitation with iron ions. Preferably, Fe(II) and/or Fe(III) can be employed as the iron ions. The iron ions can be added either to the electrolyte or to an aqueous solution of the alkali metal chloride.

REFERENCES:
patent: 3407128 (1968-10-01), Goerge
patent: 4155820 (1979-05-01), Ogawa et al.
patent: 4207152 (1980-06-01), Kadija et al.
patent: 4405418 (1983-09-01), Takemura
Chemical Abstracts, vol. 80, No. 16, Apr. 22, 1974, p. 136, No. 85337q.
Chemical Abstracts, vol. 96, No. 16, Apr. 1982, p. 641, No. 132160u.
Handbuch der Technischen Electrochemie, Victor Engelhardt, Leipzig 1933.

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