Journal of Thermal Analysis and Calorimetry

, Volume 137, Issue 2, pp 491–500 | Cite as

Reaction chemistry and kinetics of corn stalk pyrolysis without and with Ga/HZSM-5

  • Ben Huang
  • Xinyue Xie
  • Yang Yang
  • Md. Maksudur Rahman
  • Xingguang Zhang
  • Xi Yu
  • Paula H. Blanco
  • Zhujun Dong
  • Yuqing Zhang
  • Anthony V. Bridgwater
  • Junmeng CaiEmail author


The bifunctional Ga/HZSM-5 catalyst has been proven having the capability to increase the selectivity of aromatics production during catalytic pyrolysis of furan and woody biomass. However, the reaction chemistry and kinetics of pyrolysis of herbaceous biomass promoted by Ga/HZSM-5 is rarely reported. Pyrolysis–gas chromatography/mass spectrometry (Py–GC/MS) analysis and non-isothermal thermogravimetric analysis at four heating rates were carried out to investigate the decomposition behavior and pyrolysis kinetics of corn stalk without and with Ga/HZSM-5. The effective activation energies for corn stalk pyrolysis were calculated by using the Friedman isoconversional method. The Py–GC/MS analysis results indicated that the Ga/HZSM-5 catalyst had a high selectivity toward producing the aromatic chemicals of xylene, toluene and benzene, whereas the major products from non-catalytic pyrolysis of corn stalk were oxygenated compounds. The presence of Ga/HZSM-5 could significantly reduce the effective activation energies of corn stalk pyrolysis from 159.9–352.4 kJ mol−1 to 41.6–99.8 kJ mol−1 in the conversion range of 0.10–0.85.


Catalytic pyrolysis Biomass Kinetics Isoconversional kinetic analysis Py–GC/MS TG 



Junmeng Cai and Yuqing Zhang acknowledge the financial support from the GCRF Networking Grant (Project No.: GCRFNG\100203; Project Title: Pyrolysis of Municipal Organic Waste for Renewable Road Construction Materials). The authors acknowledge Mr. Yang Yu, Analyst in the Nielsen Company (Shanghai) Limited, for his help in TG, and Dr. Daniel Nowakowski, EBRI Laboratory Manager, for his help in Py–GC/MS analysis.

Supplementary material

10973_2018_7962_MOESM1_ESM.docx (402 kb)
Supplementary material 1 (DOCX 402 kb)


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  • Ben Huang
    • 1
  • Xinyue Xie
    • 1
  • Yang Yang
    • 2
  • Md. Maksudur Rahman
    • 1
  • Xingguang Zhang
    • 3
  • Xi Yu
    • 2
  • Paula H. Blanco
    • 2
  • Zhujun Dong
    • 1
  • Yuqing Zhang
    • 4
  • Anthony V. Bridgwater
    • 2
  • Junmeng Cai
    • 1
    Email author
  1. 1.Biomass Energy Engineering Research Center, Key Laboratory of Urban Agriculture (South) Ministry of Agriculture, School of Agriculture and BiologyShanghai Jiao Tong UniversityShanghaiPeople’s Republic of China
  2. 2.Bioenergy Research Group, European Bioenergy Research Institute (EBRI)Aston UniversityBirminghamUK
  3. 3.College of Chemical EngineeringNanjing Forestry UniversityNanjingPeople’s Republic of China
  4. 4.Aston Institute of Materials Research (AIMR)Aston UniversityBirminghamUK

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