2. Hydrothermal Oxidation (HTO) Processes
Hydrothermal oxidation processes can be applied to a wide variety of concentrated wastes. Indeed, concentrated organic wastes or dilute aqueous solutions—often present at the same site—can be mixed to produce a feed with a concentration between 1 and 20%.
By using appropriate high-pressure pumping systems, many effluents can thus be treated by hydrothermal oxidation with very high destruction rates, exceeding 99.9%.
The basic principle of a supercritical water oxidation process can be described as follows (Figure
4
). The main feed line carries water compressed to between 20 and 55 MPa before being...
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Hydrothermal Oxidation (HTO) Processes