Production of chlorine dioxide

Details Production of chlorine dioxide Production of chlorine dioxide

1990-09-18

1991-11-19

Lewis, Michael L.

Chemistry of inorganic compounds

Halogen or compound thereof

Chlorine dioxide

423478, C01B 1102

Patent

active

050664778

ABSTRACT:
Chlorine dioxide is produced from sodium chlorate, sulphuric acid and methanol at the boiling point of the reaction medium under a subatmospheric pressure applied to a reaction zone. High purity of chlorine dioxide production is retained while the proportion of acid sodium sulphate in the product is decreased by effecting the reaction at high acidity in a physically-separate reaction zone from which the reaction products discharge into a mass of recycling sodium chlorate solution.

REFERENCES:
patent: 3864456 (1975-02-01), Winfield et al.
patent: 3895100 (1975-07-01), Cowley
patent: 4081520 (1978-03-01), Swindell's et al.
patent: 4145401 (1979-03-01), Swindell's et al.
patent: 4320092 (1982-03-01), Kondo et al.
patent: 4393035 (1983-07-01), Fredette
patent: 4393036 (1983-07-01), Fredette
patent: 4470868 (1988-09-01), Norell

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