Producing chlorine dioxide from chlorate salt

Details Producing chlorine dioxide from chlorate salt Producing chlorine dioxide from chlorate salt

1988-02-05

1989-01-17

Doll, John

Chemistry of inorganic compounds

Halogen or compound thereof

Chlorine dioxide

204101, C01B 1102

Patent

active

047987154

ABSTRACT:
Chlorine dioxide is generated from chlorate salt and introduced into a treatment stream. Initially following dissolution of the salt in aqueous medium, the solution is subjected to ion exchange for producing intermediate chloric acid. The acid is next converted to chlorine dioxide by electrolysis. The chlorine dioxide produced can then be extracted for use with a treatment stream. The chlorine dioxide generated can be free from unwanted by-products. The total generation system lends itself to recycling of unused product for obtaining virtually complete conversion of chlorate salt to useful chlorine dioxide.

REFERENCES:
patent: 3265526 (1966-08-01), Beer
patent: 3632498 (1972-01-01), Beer
patent: 3711385 (1973-06-01), Beer
patent: 3810969 (1974-05-01), Schlumberger
patent: 4426263 (1984-01-01), Hardee et al.
patent: 4528084 (1985-07-01), Beer et al.

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