Process for production of chlorine dioxide

Details Process for production of chlorine dioxide Process for production of chlorine dioxide

1987-06-12

1988-09-13

Doll, John

Chemistry of inorganic compounds

Halogen or compound thereof

Chlorine dioxide

C01B 1102

Patent

active

047708689

ABSTRACT:
The present invention relates to a process for production of chlorine dioxide from an alkali metal chlorate, a mineral acid and a volatile reducing agent. The process is carried out in a vessel operated under subatmospheric pressure, whereby water is evaporized and withdrawn together with chlorine dioxide and the alkali metal salt of the mineral acid is crystallized within the reaction vessel and withdrawn therefrom. According to the invention the utility of the volatile reducing agent is enhanced by the addition of the agent to the region of crystallization in the reaction vessel.

REFERENCES:
patent: 2736636 (1956-02-01), Day et al.
patent: 2881052 (1959-04-01), Julien et al.
patent: 3933988 (1976-01-01), Rosen
patent: 4156713 (1979-05-01), Fuller
patent: 4578261 (1986-03-01), Lobley

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