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<p>Heated tobacco products have shown the increasing popularity all over the world. As known, smoke release characteristics and consumption satisfaction are related to atomizing agents and moisture content as well as pyrolysis behavior. Based on mature production strategy of tobacco granules, comparison study on the influence of drying power on the pyrolysis properties of tobacco granules was implemented in this work. Interestingly, decreasing drying power led to more moisture and atomizing agent content. However, excessive drying power resulted in the advancement pyrolysis of small molecular. Then, rate of&#xa0; pyrolysis&#xa0;and products directly depended on pyrolysis temperature, heating rate and pyrolysis atmosphere as well as moisture and atomizing agent content. Moreover, increasing drying power contributed to less activation energy, less entropy change, less enthalpy change. In addition, less moisture and atomizing agent content were not beneficial for smoke production rate and total smoke release of tobacco granules. However, less moisture and atomizing agent content contributed to carbon monoxide production rate. Finally, more pore volume and pore size were formed in the inner structures of tobacco granules after pyrolysis though the outer structures had no obvious change. The above results indicate that drying power has the negative correlation with moisture and atomizing agent content, directly announcing pyrolysis properties of tobacco granules.</p>

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Comparison study on the influence of drying power on the pyrolytic characteristics and thermodynamic behavior of tobacco granules

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • Weijian Chen,
  • Xiaoyu Zhang,
  • Mingjing Guan,
  • Shuo Fu,
  • Yaping Zhang,
  • Gang Chen,
  • Yun Cao,
  • Yanyan Li,
  • Xiaofeng Wang,
  • Huijuan Tian,
  • Jin Zhang,
  • Shun Zhou

摘要

Heated tobacco products have shown the increasing popularity all over the world. As known, smoke release characteristics and consumption satisfaction are related to atomizing agents and moisture content as well as pyrolysis behavior. Based on mature production strategy of tobacco granules, comparison study on the influence of drying power on the pyrolysis properties of tobacco granules was implemented in this work. Interestingly, decreasing drying power led to more moisture and atomizing agent content. However, excessive drying power resulted in the advancement pyrolysis of small molecular. Then, rate of  pyrolysis and products directly depended on pyrolysis temperature, heating rate and pyrolysis atmosphere as well as moisture and atomizing agent content. Moreover, increasing drying power contributed to less activation energy, less entropy change, less enthalpy change. In addition, less moisture and atomizing agent content were not beneficial for smoke production rate and total smoke release of tobacco granules. However, less moisture and atomizing agent content contributed to carbon monoxide production rate. Finally, more pore volume and pore size were formed in the inner structures of tobacco granules after pyrolysis though the outer structures had no obvious change. The above results indicate that drying power has the negative correlation with moisture and atomizing agent content, directly announcing pyrolysis properties of tobacco granules.