Apparatus and method for supercritical water oxidation

Details Apparatus and method for supercritical water oxidation Apparatus and method for supercritical water oxidation

1991-05-31

1992-03-31

Dawson, Robert A.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210761, 210747, 210766, 210768, 210396, 210408, B01D 2100

Patent

active

051005603

ABSTRACT:
A pressurized feed material (30) in aqueous suspension is oxidized in a supercritical temperature reaction zone (20) in an upper region of a vertically elongated, cyclindrical walled, closed pressure vessel (10) to form an oxidized super fluid phase (46) which is removed from the upper region of the vessel and a brine (44) containing precipitates and other solids which are collected in and removed from a subcritical temperature zone (16) in the lower region of the vessel. The wall (12) of the cylindrical pressure vessel (10) is scraped by rotatable scraper means (60) which upon rotation will dislodge precipitated solids from the wall (12).

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patent: 4564458 (1986-01-01), Burleson
patent: 4770772 (1988-09-01), Kuwajima
patent: 4812243 (1989-03-01), Brandenburg et al.
patent: 4822497 (1989-04-01), Hong et al.
patent: 4853136 (1989-08-01), Roussel et al.
patent: 4898107 (1990-02-01), Dickinson

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