Device for supercritical water oxidation of materials

Liquid purification or separation – With heater or heat exchanger – With mechanical agitator or movable separator

Reexamination Certificate

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Details

C210S205000, C210S219000, C422S184100, C422S205000, C422S226000, C422S229000, C588S312000

Reexamination Certificate

active

10994144

ABSTRACT:
A method and device for oxidization of materials in supercritical water. The method involves a) introducing a fluid containing water and an oxidizing agent in a ring-shaped area and through a first end of a substantially tube-shaped reactor comprising an external wall and an internal tube, b) heating the fluid in the ring-shaped area, c) introducing the heated fluid into the internal tube and simultaneously introducing material to be treated into said internal tube at a second end of the reactor, d) mixing the fluid and the material to be treated in a first portion of the internal tube, followed by cooling the obtained mixture in a second portion of the internal tube, and e) isobarically discharging the fluid/oxidized material from the internal tube of the reactor.

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patent: 4774006 (1988-09-01), Kaufmann
patent: 5008085 (1991-04-01), Bain et al.
patent: 5358646 (1994-10-01), Gloyna et al.
patent: 5421998 (1995-06-01), Li et al.
patent: 5500120 (1996-03-01), Baker
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patent: 5571424 (1996-11-01), Ahluwalia
patent: 6475396 (2002-11-01), Wofford et al.
patent: 6878290 (2005-04-01), Joussot-Dubien et al.
patent: 647769 (1948-07-01), None
“Supercritical Water Oxidation” Frisch,Standard Handbook of Hazardous Waste Treatment and Disposal, Section 8.11, pp. 8.176-8.190.

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