Production of mixed sulfuric and hydrochloric acid feed and chlo

Details Production of mixed sulfuric and hydrochloric acid feed and chlo Production of mixed sulfuric and hydrochloric acid feed and chlo

1981-11-10

1983-07-12

Hearn, Brian E.

Chemistry of inorganic compounds

Halogen or compound thereof

Chlorine dioxide

423486, 423522, C01B 701, C01B 1102, C01B 1774

Patent

active

043930360

ABSTRACT:
A mixture of hydrochloric acid and sulphuric acid for use as a feed to a chlorine dioxide generator to provide reactant chemicals therefor is formed by the reaction of chlorine, sulphur dioxide and water. The reaction is effected in the presence of excess chlorine to avoid the presence of dissolved sulphur dioxide in the acid mixture. The proportion of the excess of the chlorine also can be used to control the strength of the acid mixture which can be made without dissolved sulphur dioxide.

REFERENCES:
patent: 804515 (1905-11-01), Askenasy
patent: 1781830 (1930-11-01), Barstow
patent: 3492091 (1970-01-01), Goldman
patent: 4086329 (1978-08-01), Cowley
Masschelein, Chlorine Dioxide, Ann Arbor Science, Ann Arbor, Mich., (1979), pp. 112-119.

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