Production of chlorine dioxide at high efficiency

Details Production of chlorine dioxide at high efficiency Production of chlorine dioxide at high efficiency

1977-02-22

1978-02-21

Stern, Edward

Chemistry of inorganic compounds

Halogen or compound thereof

Chlorine dioxide

423481, 423499, 423500, 423507, 423596, 423648R, C01B 1102, C01D 304, C01B 102, C01B 701

Patent

active

040753085

ABSTRACT:
Chlorine dioxide is produced in a continuous process by reaction of sodium chlorate and hydrochloric acid. The reaction medium is maintained at its boiling point under subatmospheric pressure and the resulting steam is used to dilute the chlorine dioxide and chlorine and remove the same from the reaction zone. Sodium chloride is deposited from the reaction medium in the reaction zone. The mole ratio of chlorate to chloride in the reaction medium, and the temperature of the reaction medium are controlled within narrow limits to provide high efficiency of production of chlorine dioxide.

REFERENCES:
patent: 3404952 (1968-10-01), Westerlund
patent: 3563702 (1971-02-01), Partridge et al.
patent: 3925540 (1975-12-01), Hatherly
patent: 3929974 (1975-12-01), Winfield

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