Supercritical water oxidation with overhead effluent quenching

Details Supercritical water oxidation with overhead effluent quenching Supercritical water oxidation with overhead effluent quenching

1991-06-03

1993-04-06

Wyse, Thomas

Liquid purification or separation

Processes

Chemical treatment

210765, C02F 174, C02F 1108

Patent

active

052000931

ABSTRACT:
In a supercritical oxidation process, the oxidized supercritical fluid effluent (46) discharged from the upper region of the reactor vessel (10) is contacted with a cold quench liquid (66) so as to produce a relatively solids free vapor stream (53) and a liquid stream (51) containing the bulk of the precipitates and other solids carried over in the oxidized supercritical fluid effluent (46). The temperature of the resultant liquid stream (51) is maintained at a temperature below the solids solubility inversion temperature, typically below 600.degree. F., so as to dissolve a substantial portion of the precipitates and other solids collected therein.

REFERENCES:
patent: 3920506 (1975-11-01), Morgan
patent: 4543190 (1985-09-01), Modell
patent: 4822497 (1989-04-01), Hong et al.
patent: 5100560 (1992-03-01), Huang
patent: 5106513 (1992-04-01), Hong

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