Fuel properties and combustion kinetics of hydrochar derived from co-hydrothermal carbonization of tobacco residues and graphene oxide

  • Miao Liang
  • Ke Zhang
  • Ping Lei
  • Bing Wang
  • Chi-Min Shu
  • Bin LiEmail author
Original Article


Tobacco residues produced from domestic cigarette industry are an abundant biomass resource which have the potential to be exploited and utilized as solid fuel. In the present study, a comprehensive investigation was performed on the fuel properties of hydrochars which were derived from hydrothermal carbonization (HTC) of tobacco residues in the presence of minute amount of graphene oxide (GO). The effect of HTC temperature and residence time on the chemical compositions, structure, and combustion performance of the resultant GO-assisted hydrochars was evaluated. The carbon content and energy densification increased with the hydrothermal treatment intensity accompanying with the decline in hydrogen and oxygen contents. Meanwhile, the combustion behavior of hydrochars was analyzed based on the thermogravimetric curves and isoconversional Kissinger-Akahira-Sunose method. The activation energy varied with conversion degrees for the tested samples, indicating the complexity of hydrochar combustion. Notably, the decreased activation energies for GO-assisted hydrochars may indicate the catalytic role of GO during the combustion process of components in hydrochars.


Hydrochar Hydrothermal carbonization Tobacco residues Graphene oxide Combustion 



This work was supported by the CNTC’s projects (No. 110201401018), the Key Scientific Research Projects of Henan Province Universities (No. 17B550006), and the Doctoral Research Foundation (No. 2014BSJJ067) of Zhengzhou University of Light Industry.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no competing interests.

Supplementary material

13399_2019_408_MOESM1_ESM.docx (50 kb)
ESM 1 (DOCX 50 kb)


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Zhengzhou Tobacco Research Institute of CNTCZhengzhouChina
  2. 2.School of Food and Biological EngineeringZhengzhou University of Light IndustryZhengzhouChina
  3. 3.R&D Center of Yunnan Industrial of China Tobacco Industry Co., Ltd.KunmingChina
  4. 4.Graduate School of Engineering Science and TechnologyNational Yunlin University of Science and Technology (YunTech)DouliuTaiwan

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