The influence of zeolite type added to cigarette blend on the changes of pyrolitic temperatures

Abstract

Reduction of harmful tobacco smoke compounds, such as nitrosamines and polycyclic aromatic hydrocarbons (PAHs) could be particularly controlled by adjusting the cigarette pyrolitic conditions. One possible way to do that is by adding zeolite materials directly to the cigarette. In this work two types of zeolites, namely, pentasil type (ZSM-5) and Y type were used, both in the quantity of 3% in respect to the tobacco mass. The results of the experiment have shown that both zeolite types influenced the changes in pyrolitic temperatures, as well as that both zeolites were catalytically active and that as the outcome of that activity there were changes in conditions of the burning process. It was concluded that the type of zeolite had more influence on the temperatures of the gas phase than on the temperatures of the solid phase. Actually, adding the two zeolite types resulted in a decrease of temperatures in both the solid and gas phase, while the decrease was higher when the zeolite of pentasil type was added.