Supercritical water oxidation reactor with a corrosion-resistant lining
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United States of America Patent
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Oct 24, 1995
Grant Date -
N/A
app pub date -
Oct 27, 1994
filing date -
Oct 27, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A supercritical water oxidation reactor includes a vessel with an interiorurface, two cooling sections, a heat exchanger, an oxygenating section, a pump, and a trap. The interior surface of the vessel has a corrosion-resistant, artificial ceramic or diamond-like coating. The artificial diamond coating is thin and crystal-like in structure. The heat exchanger is located between the two cooling sections. The heat exchanger and the two cooling sections surround the exterior of the vessel. The oxygenating section comprises a porous cylindrical baffle positioned within the vessel. The porous baffle transfers oxygen, hydrogen peroxide, or other oxygenating substances to an aqueous hazardous waste introduced into the reactor. In accordance with another aspect of the invention, the oxygenating section includes a shaft having a helical extension. The shaft has a corrosion-resistant, artificial diamond or diamond-like coating on its outer surface. The shaft rotates the helical extension to assist in removing solids from the aqueous hazardous waste.
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