Production of chlorine dioxide

Details Production of chlorine dioxide Production of chlorine dioxide

1984-09-13

1986-12-09

Doll, John

Chemistry of inorganic compounds

Halogen or compound thereof

Chlorine dioxide

204 95, C01B 1102, C01B 1114

Patent

active

046279695

ABSTRACT:
Chlorine dioxide is generated at high efficiency from feeds of chlorate cell liquor, sulphuric acid and methanol by a hybrid of reaction of sodium chlorate with sulphuric acid and methanol and reaction of sodium chlorate with sulphuric acid and sodium chloride. The reaction medium is maintained at its boiling point under a subatmospheric pressure while sodium sesquisulphate precipitates from the reaction medium.

REFERENCES:
patent: 3427236 (1969-02-01), Scholander et al.
patent: 3789108 (1974-01-01), Rapson
patent: 4465658 (1984-08-01), Fredette
patent: 4473540 (1984-09-01), Fredette
"ERCO R7 ClO.sub.2 Generator Helps Balance Pulp Mill Chemical Supply", M. C. J. Fredette, Pulp & Paper, Canada 85:1 (1984) pp. T17-T18.

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