Catalytic properties of carbon materials Sibunit (commercial samples) and ceria-promoted precious metals (Ru, Pt, Pd) supported on carbon were studied in the processes of catalytic wet air oxidation (CWAO) of aniline and phenol at elevated pressures and temperatures (T ¼ 433-473 K, P O2 ¼ 0.3-1.0 MPa). It was found that the activity increases when the catalyst is pretreated with hydrogen peroxide. An efficiency of Ru-CeO 2 /Sibunit catalyst with a low ruthenium content (~0.6% Ru) for deep cleaning of polluted waters is demonstrated.
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