Method for controlling chlorates

Details Method for controlling chlorates Method for controlling chlorates

1984-10-04

1987-02-17

Chapman, Terryence

Chemistry: electrical and wave energy

Processes and products

204128, C25B 116, C25B 134

Patent

active

046438084

ABSTRACT:
A method for controlling chlorates in an aqueous alkali metal hydroxide liquor produced by an ion exchange membrane electrolysis is provided, which comprises adding a reducing agent to brine to keep the concentration of chlorates to a specified value or less. The present invention provides an alkali metal hydroxide liquor with low content of chlorates.

REFERENCES:
patent: 2569329 (1951-09-01), Osborne et al.
patent: 2610105 (1952-09-01), Pye
patent: 2790707 (1957-04-01), Johnson
patent: 4055476 (1977-10-01), Benezra et al.
patent: 4272338 (1981-06-01), Lynch et al.
patent: 4470891 (1984-09-01), Moore et al.
patent: 4481088 (1984-11-01), Moore et al.
patent: 4528077 (1985-07-01), Fair et al.

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