<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In order to reduce the nitric oxide (NO) and nitrogen oxides (NO) content in mainstream tobacco smoke, a new class of catalyst based on Cu-ZSM-5 zeolite has been synthesized. The effectiveness of the new catalyst (degree of reduction and specific catalytic ability) was tested both by adding Cu-ZSM-5 zeolite directly to the tobacco blend and by addition to the filter. We have determined that adding the catalyst to the tobacco blend does not cause any changes in the physical, chemical or organoleptic properties of the cigarette blend. But, the addition reduces the yield of nitrogen oxides while having no influence on nicotine and “tar” content in the tobacco smoke of the modified blend. The catalyst addition increases the static burning rate (SBR). The changes in the quantity of NO and NOmay be explained by changes in burning conditions due to the increase of Oobtained from catalytic degradation of NO and NO, and adsorptive and diffusive properties of the catalyst. The changes in mainstream smoke analytes are also given on a puff-by-puff basis.</p></abstract>

In order to reduce the nitric oxide (NO) and nitrogen oxides (NO) content in mainstream tobacco smoke, a new class of catalyst based on Cu-ZSM-5 zeolite has been synthesized. The effectiveness of the new catalyst (degree of reduction and specific catalytic ability) was tested both by adding Cu-ZSM-5 zeolite directly to the tobacco blend and by addition to the filter. We have determined that adding the catalyst to the tobacco blend does not cause any changes in the physical, chemical or organoleptic properties of the cigarette blend. But, the addition reduces the yield of nitrogen oxides while having no influence on nicotine and “tar” content in the tobacco smoke of the modified blend. The catalyst addition increases the static burning rate (SBR). The changes in the quantity of NO and NOmay be explained by changes in burning conditions due to the increase of Oobtained from catalytic degradation of NO and NO, and adsorptive and diffusive properties of the catalyst. The changes in mainstream smoke analytes are also given on a puff-by-puff basis.

Catalytic Reduction of NO and NOx Content in Tobacco Smoke

DP DIN ‘'Fabrikaduvana” Nis, 12. Februar 74, 18000 Nis, Yugoslavia

Faculty of Physical Chemistry, Belgrade University, StudentskiTrg 16-18, P.O. Box 137; 11001 Belgrade, Yugoslavia

Faculty of Agriculture, Belgrade University, Zemun, Yugoslavia

Contributions to Tobacco & Nicotine Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Catalytic Reduction of NO and NOx Content in Tobacco Smoke"}

In order to reduce the nitric oxide (NO) and nitrogen oxides (NO) content in mainstream tobacco smoke, a new class of catalyst based on Cu-ZSM-5 zeolite has...

Catalytic Reduction of NO and NOx Content in Tobacco Smoke

Pubblicato online: 30 dic 2014

Pagine: 43 - 49

Ricevuto: 15 gen 2001

Accettato: 26 nov 2001

DOI: https://doi.org/10.2478/cttr-2013-0729

© 2014 Beiträge zur Tabakforschung International

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.