Process for the production of aqueous chlorine dioxide solutions

Details Process for the production of aqueous chlorine dioxide solutions Process for the production of aqueous chlorine dioxide solutions

1999-08-23

2000-08-15

Anthony, Joseph D.

Hazardous or toxic waste destruction or containment

Containment

25218721, 25218723, 422 37, A62D 300, C01B 1102, C01B 1104

Patent

active

061039500

ABSTRACT:
The description relates to a process for the production of aqueous chlorine dioxide solutions through oxidation of chlorite with oxo acids and/or oxo acid anions having a suitable redox potential in a buffered aqueous medium, wherein an acidic aqueous solution A is produced which has a pH of about 5 or less and contains the oxo acids and/or oxo acid anions, and the acidic aqueous solution A is mixed with an aqueous chlorite solution B to form chlorine dioxide, wherein a pH of less than 6.95 is adjusted in the reaction mixture, this pH value being stabilized by a buffering system contained therein.

REFERENCES:
patent: 4574084 (1986-03-01), Berger
patent: 5110580 (1992-05-01), Rosenblatt et al.
patent: 5165910 (1992-11-01), Oikawn et al.
patent: 5405549 (1995-04-01), Pitochelli
Derwent Abstract Acc. No. 1977-85304Y Taken From JP-52123976A.

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