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Effects of oxygen spillover on the catalytic oxidation of BTEX in air with Pt/CeO_2 catalyst

机译:氧气溢出对Pt / CeO_2催化剂的空气中BTEX催化氧化的影响

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Catalytic oxidation of BTEX was conducted over 1wt% PtCeO_2 and 1wt% Pt/Al_2O_3 catalysts. Much more efficient conversion of BTEX was obtained with the Pt/CeO_2 catalyst, and the higher activity was proved to be due to the continuous migration or spillover of the adsorbed dioxygen onto the Pt surface where dioxygen dissociates rapidly to produce essential monooxygen for the oxidation of BTEX. Pt/CeO_2 could also successfully be used for the oxidation of VOCs including BTEX in the vapor-laden air withdrawn from contaminated soils by gasoline.
机译:BTEX的催化氧化在1wt%PTCEO_2和1wt%Pt / Al_2O_3催化剂上进行。通过Pt / CeO_2催化剂获得BTEX的更有效转化,并证明了较高的活性是由于吸附的二恶英在PT表面上的连续迁移或溢出,其中二恶英迅速分解以产生氧化的必需单氧结根BTEX。 PT / CEO_2也可以成功用于VOC的氧化,包括汽油覆载的蒸汽包装空气中的BTEX。

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