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Catalytic pyrolysis of hemicellulose for the production of light olefins and aromatics over Fe modified ZSM-5 catalysts

  • Mingfa Yang
  • Jingai ShaoEmail author
  • Haiping Yang
  • Yingquan Chen
  • Xiaowei Bai
  • Shihong Zhang
  • Hanping Chen
Original Research


In this study, the effects of ex situ and in situ processes, Fe loading, temperature, ratio of catalyst to biomass, and gas flow rate on the formation of light olefins and aromatics, as well as their selectivity in the catalytic fast pyrolysis from hemicellulose were investigated in a fixed bed reactor. The highest carbon yield of light olefins (4.50%) and aromatics (6.77%) was obtained at 3% Fe loading of ZSM-5 catalysts, ratio of catalyst to biomass of 2, temperature of 600 °C and gas flow rate of 100 mL/min via an ex situ process. The selectivity of light olefins and aromatics varied under different conditions: C2H4 increased with an increase in temperature and ratio of catalyst to biomass, and decreased when Fe loading and gas flow rate increased. Higher temperature produced more naphthalene, and the selectivity of naphthalene was reduced when Fe loading, ratio of catalyst to biomass, and gas flow rate increased. Moreover, the experimental yield of light olefins and aromatics were significantly lower than the theoretical yield, and oxygen in biomass should be removed as CO and CO2 instead of H2O to obtain more light olefins and aromatics.

Graphic abstract


Light olefins Aromatics Catalytic pyrolysis Hemicellulose Fe modified zeolite 



The authors wish to express sincere thanks for the financial support from the National Natural Science Foundation of China (51876077, 51506071). The authors are also grateful for the assistance on the characterization analysis provided by the Analytical and Testing Center in Huazhong University of Science and Technology (, Wuhan 430074, China.


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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.State Key Laboratory of Coal Combustion, School of Energy and Power EngineeringHuazhong University of Science and TechnologyWuhanChina
  2. 2.Qianhai Institute for Innovative ResearchShenzhenChina
  3. 3.Department of New Energy Science and Engineering, School of Energy and Power EngineeringHuazhong University of Science and TechnologyWuhanChina

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