Catalyst to reduce carbon monoxide in the mainstream smoke...

Details Catalyst to reduce carbon monoxide in the mainstream smoke... Catalyst to reduce carbon monoxide in the mainstream smoke...

A - Human Necessities

24

B

A24B 15/18 (2006.01) A24D 3/06 (2006.01)

Patent

CA 2527551

Cut filler compositions, cigarette paper, cigarette filters, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided, which involve the use of a catalyst capable converting carbon monoxide to carbon dioxide. The catalyst comprises nanoscale metal and/or metal oxide particles supported on high surface area support particles. The catalyst can be prepared by combining a metal precursor solution with high surface area support particles to form a mixture, or by combining a metal precursor solution with a colloidal solution to form a mixture, and then heat treating the mixture.

Compositions à base de tabac de remplissage, papier à cigarettes, filtres de cigarettes, cigarettes, procédés de fabrication de cigarettes et procédés pour fumer les cigarettes, comprenant l'utilisation d'un catalyseur apte à transformer le monoxyde de carbone en gaz carbonique. Ce catalyseur comporte des particules nanométriques de métal et/ou d'oxyde métallique portées par des particules véhicules à grande surface spécifique. La préparation du catalyseur peut consister à associer une solution de précurseur métallique à des particules véhicules à grande surface spécifique de manière à former un mélange, ou à associer une solution de précurseur métallique à une solution colloïdale de manière à former un mélange, puis à réaliser un traitement thermique du mélange.

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