Wet oxidation of aqueous streams

Details Wet oxidation of aqueous streams Wet oxidation of aqueous streams

1992-07-28

1993-10-05

Silverman, Stanley S.

Liquid purification or separation

Processes

Chemical treatment

210908, 210909, 210758, C02F 172

Patent

active

052501930

ABSTRACT:
This invention relates to improved wet oxidation process for the destruction of organic components in a wastewater stream contaminated with inorganic salts. In wet oxidation, the wastewater stream is contacted with an oxygen-containing water stream at elevated temperatures and pressures. The improvement for treating aqueous wastewater streams contaminated with inorganic salts wherein the organic contaminants are present in an amount from about 0.5 to 2% by weight resides in oxidizing the organic components in a tubular reactor at a temperature ranging from 325.degree. C. to not more than 370.degree. C. and a pressure ranging from 220 to 345 bar. The oxidation reaction is carried out in a reaction time of 5 minutes or less.

REFERENCES:
patent: 3920506 (1975-11-01), Morgan
patent: 4113446 (1978-09-01), Modell et al.
patent: 4141829 (1979-02-01), Thiel et al.
patent: 4145283 (1979-03-01), Topp et al.
patent: 4347144 (1982-08-01), Bodenbenner et al.
patent: 4543190 (1985-09-01), Modell
patent: 4853136 (1989-08-01), Roussel et al.
patent: 5106513 (1992-04-01), Hong

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