Catalytic combustion of VOCs on Pt/CuMnCe and Pt/CeY honeycomb monolithic catalysts

(整期优先)网络出版时间:2018-12-22
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ThemetaloxidesCuMnCeandCeYwashcoatsoncordieritewerepreparedusinganimpregnationmethod,andthenusedassupportfortheactivePtcomponenttopreparethePt/CuMnCeandPt/CeYmonolithiccatalystsforthedeepoxidationofVOCs.IncomparisonwiththePt/CeY,CuMnCe,andCeYmonolithiccatalysts,thePt/CuMnCemonolithiccatalystshowsanexcellentperformancefortoluene,ethylacetate,andn-hexaneoxidationandtheT90%islowto216,200and260℃,respectively.TheactivecomponentsPt/PtOandCuMnCeresultinabettersynergeticinteraction,whichpromotethecatalystreducibility,increasetheoxygenmobility,andenhancetheadsorptionandactivationoforganicmolecules.