Procedure for oxidation with supercritical water of a stream containing oxidizable material

摘要

A process for oxidation with supercritical water characterized by the steps of: - causing a first process stream containing water and organic material to flow into a reaction chamber (11); - adding a first oxidant flow to said first stoichiometric deficit process stream; - reacting organic material in said first process stream with said first oxidant flow generally through oxidation with supercritical water in a first reaction section (12); - adding a second process stream containing water and organic material to said first process stream downstream of said first reaction section (12), said second process stream having a temperature that is less than a temperature of said first stream of process downstream of said first reaction section (12) to thereby reduce a temperature in an abrupt cooling section (14) of said reaction chamber located downstream of said first reaction section; - adding a second oxidant flow to said first process stream downstream of said first reaction section (12); and - reacting organic material in said first and second process streams with said second oxidant flow generally through oxidation with supercritical water in a second reaction section (13) of said reaction chamber located downstream of said cooling section abrupt.