Catalytic oxidation of nicotine over zeolite-supported platinum
Identifieur interne : 001245 ( France/Analysis ); précédent : 001244; suivant : 001246Catalytic oxidation of nicotine over zeolite-supported platinum
Auteurs : Corinne Gerard-Gomez [France] ; Michel Dufaux [France] ; Jean Morel [France] ; Claude Naccache [France] ; Younès Ben Taarit [France]Source :
- Applied Catalysis A: General [ 0926-860X ] ; 1998.
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Abstract
Abstract: Platinum loaded NaY, HY and dealuminated HY were shown to be active in the total oxidation of nicotine at 573 K into CO2, H2O and N2 at the exclusion of CO and NOx. The activity (turnover frequency (TOF)) of a surface metal atom was independent of the method of metal loading (ion-exchange or impregnation) but increased with the metal particle size. Compared to non-porous silica, zeolites exerted a beneficial effect on metal particles of similar sizes, presumably, because a shielding effect of the acidic zeolite matrix with respect to the nicotine base.
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DOI: 10.1016/S0926-860X(97)00219-6
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The activity (turnover frequency (TOF)) of a surface metal atom was independent of the method of metal loading (ion-exchange or impregnation) but increased with the metal particle size. 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