Interactions of tobacco shred and other tobacco-based materials during co-pyrolysis and co-combustion

The interactions of tobacco shred with other tobacco-based materials, like expanded cut tobacco, cut reconstituted tobacco and expanded cut stem during co-pyrolysis and co-combustion, were investigated using thermogravimetric analyzer. The results illustrated that the interactions barely existed dur...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2019-05, Vol.136 (4), p.1711-1721
Main Authors: Zhang, Yaping, He, Qing, Cao, Yun, Bao, Sui, Zhou, Shun, Tian, Zhenfeng, Wang, Xiaofeng, Peng, Xiaomeng, Zhang, Xiaoyu, Zhu, Dongliang, She, Shike
Format: Article
Language:English
Subjects:
Activation energy
Analytical Chemistry
Binary mixtures
Carbon dioxide
Carbon monoxide
Chemistry
Chemistry and Materials Science
Combustion
Cone calorimeters
Inorganic Chemistry
Measurement Science and Instrumentation
Phosphates
Physical Chemistry
Polymer Sciences
Pyrolysis
Smoke
Smoking
Tobacco
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Summary:The interactions of tobacco shred with other tobacco-based materials, like expanded cut tobacco, cut reconstituted tobacco and expanded cut stem during co-pyrolysis and co-combustion, were investigated using thermogravimetric analyzer. The results illustrated that the interactions barely existed during the co-pyrolysis, but promoted the combustion during the co-combustion process of all binary mixtures. Oxidative decompositions of solid char for all binary mixtures were promoted by the interactions during the co-combustion process. The activation energy distributions, which were obtained by the Kissinger–Akahira–Sunose method from the TG data, well explained how the interactions influenced the combustion of the binary mixtures. For further understanding the effects of interactions on the combustion behaviors of the mixed materials, the release characteristics of heat, smoke, CO and CO 2 were determined by the cone calorimeter tests. Results demonstrated that the interactions among the binary mixtures enhanced the HRR rates and THR values, but reduced the smoke production rates, the amounts of total smoke production and the CO/CO 2 ratio. Thus, it could be concluded that the health harm of cigarette smoking can be reduced by blending these tobacco-based materials to some extent.
ISSN:1388-6150
1588-2926
DOI:10.1007/s10973-018-7836-0