Thermogravimetric and kinetics investigation of pine wood pyrolysis catalyzed with alkali-treated CaO/ZSM-5

Zhao Sun, Bang Xu, Asif Hason Rony, Sam Toan, Shiyi Chen, Khaled A.M. Gasem, Hertanto Adidharma, Maohong Fan, Wenguo Xiang

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


In this study, the characteristics of thermal decomposition of Wyoming pine wood catalyzed with CaO/ZSM-5 was investigated by using a thermogravimetric analyzer (TGA). The CaO/ZSM-5 catalyst was prepared using a wet mixing method aided by an ultrasonic treatment to improve the dispersing uniformity of CaO on ZSM-5. Material characterizations such as X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), nitrogen adsorption and desorption isotherms test, and scanning electron microscopy (SEM)/energy dispersive spectrometer (EDS) were carried out to examine thoroughly the CaO/ZSM-5 catalyst. The kinetic parameters and activation energy were determined using the Flynn-Wall-Ozawa (FWO) and Kissinger-Akahire-Sunose (KAS) methods. Results indicate that the yields and conversion of pine wood pyrolysis with CaO/ZSM-5 catalyst addition are much higher than that of pine wood individually. Further, the effect of CaO/ZSM-5 catalyst addition on the activation energy distribution of pine wood pyrolysis is presented and discussed in detail.

Original languageEnglish (US)
Pages (from-to)182-194
Number of pages13
JournalEnergy Conversion and Management
StatePublished - 2017
Externally publishedYes

Bibliographical note

Funding Information:
This work was supported by the National Science Foundation [1632899] in the United States; Natural Science Foundation of China [51576042]; Natural Science Foundation of Jiangsu [BK20160672]Fundamental Research Funds for the Central Universities; the Foundation of Graduate Creative Program of Jiangsu [KYLX16-0200]; and the Scholarship Award for Excellent Doctoral Student granted to the first author by the Ministry of Education and China Scholarship Council.


  • CaO/ZSM-5
  • Kinetics
  • Pine wood
  • Pyrolysis
  • Thermogravimetric analysis (TGA)

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