Process for the generation of chlorine dioxide

Details Process for the generation of chlorine dioxide Process for the generation of chlorine dioxide

1991-05-03

1993-04-20

Straub, Gary P.

Chemistry of inorganic compounds

Halogen or compound thereof

Chlorine dioxide

423477, C01B 1102

Patent

active

052040810

ABSTRACT:
A process for the rapid generation of chlorine dioxide under reduced pressure. A reaction column having a venturi therein and a reaction chamber in fluid communication with the nozzle of the venturi is provided. An aqueous chlorate solution and a gaseous stream of acid are introduced into the reaction chamber to react and form chlorine dioxide. A driving medium is introduced into the venturi, and the chlorine dioxide from the reaction chamber is mixed with the driving medium at the outlet of the venturi. The chlorine dioxide/driving medium mixture is passed through a reaction column. In an alternate embodiment, a chlorite solution is introduced into the reaction chamber together with the chlorate solution and the gaseous stream of acid. In a further embodiment, a chlorite solution is introduced into the reaction column after mixing of the driving medium with the chlorine dioxide.

REFERENCES:
patent: 3789108 (1974-01-01), Rapson
patent: 3920801 (1975-11-01), Grotheer
patent: 4247531 (1981-01-01), Hicks
patent: 4414193 (1983-11-01), Fredette et al.
patent: 4534952 (1985-08-01), Rapson et al.
Linus Pauling, "The Nature of The Chemical Bond", 1940, pp. 42-43.

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