Chemistry of inorganic compounds – Halogen or compound thereof – Chlorine dioxide
Patent
1992-08-05
1994-08-30
Fuller, Benjamin R.
Chemistry of inorganic compounds
Halogen or compound thereof
Chlorine dioxide
423477, C01B 1102
Patent
active
053426010
ABSTRACT:
A process which comprises heating a reaction mixture comprised of an aqueous solution containing perchlorate ions, chlorate ions and hydrogen ions to produce chlorine dioxide and oxygen gas.
The novel process of the present invention provides a commercially viable process for producing chlorine dioxide from mixtures of oxy-chlorine species in the absence of a reducing agent. The process can be operated without producing an acidic salt by-product while producing a chlorine dioxide product which is substantially free of chlorine. In addition, the process of the invention permits a reduction in the amount of acid fed to the chlorine dioxide generator.
REFERENCES:
patent: 4137296 (1979-01-01), Glew
patent: 4362707 (1982-12-01), Hardee et al.
patent: 4381290 (1983-04-01), Hardee et al.
patent: 4501824 (1985-02-01), Hardee et al.
Michell Sienko, et al., "Chemistry", 1961, pp. 536-539.
Cawlfield David W.
Mendiratta Sudhir K.
Fuller Benjamin R.
Lund Valerie Ann
Olin Corporation
Simons William A.
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