Method for treating waste by hydrothermal oxidation

Details Method for treating waste by hydrothermal oxidation Method for treating waste by hydrothermal oxidation

2005-08-16

2005-08-16

Hruskoci, Peter A. (Department: 1724)

Liquid purification or separation

Processes

Chemical treatment

C210S759000, C210S761000

Reexamination Certificate

active

06929752

ABSTRACT:
A method for oxidizing organic matter contained in an aqueous effluent and an installation for implementing the method. The method comprises the following steps: injecting into a tubular body the aqueous effluent; bringing the aqueous effluent to a pressure P1,corresponding to the critical pressure of the aqueous effluent; bringing the aqueous effluent to a temperature T1;and injecting into the tubular body at n points spaced apart from one another, n fractions of at least an oxidizing composition, so that a portion of the thermal energy produced by the oxidation reaction increases the temperature of the reaction mixture from said temperature T1to temperature T2>T1according to an increasing curve, whereby the organic matter is oxidized, the reaction mixture continuously developing from a sub-critical liquid state to the supercritical domain.

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