Abstract
Silver and nickel based catalysts with γ-Al2O3 support were synthesized via impregnation method for the removal of toluene in the presence of continuous discharge or adsorption- discharge plasma. An elaborate FT-IR analysis confirmed the formation of transient species during the plasma-catalytic oxidation of toluene. TOF-MS analysis indicated benzoic acid was not an important pathway of aromatic rings opening. NiO/Al2O3 catalyst displayed a higher enhancement of CO2 selectivity and ozone decomposition ability. Moreover, the active component (O and OH) areas would increase during the discharge process in adsorption-discharge plasma system that were conducive to the removal of the organic byproducts.
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