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Microwave Enhanced Pyrolysis Of Gumwood

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Abstract

Microwave pyrolysis of biomass has gained increasing interests due to the fact that microwave heating provides a volumetric heating and instant heating at improved heating efficiencies compared with conventional heating techniques. In this study, microwave-enhanced pyrolysis of gumwood was carried out at 500 ℃ with silicon carbide as a microwave absorber. Conventional pyrolysis of gumwood was also studied under the same temperature conditions as that of microwave-enhanced pyrolysis. The yields of pyrolytic products, morphology of bio-char, and composition of bio-oil and bio-gas are analyzed by using Scanning Electron Microscope, Gas Chromatograph/Mass Spectrum and Gas Chromatograph respectively. The yields of pyrolytic bio-oil and bio-gas under microwave heating are 8.52 and 73.26 wt.% respectively, which are higher than the products obtained via conventional methods under similar operating conditions. In microwave-enhanced pyrolysis, numerous carbon nano tubes (CNTs) are formed on the surface of the bio-char. The bio-oil obtained by microwave pyrolysis has simpler constituents compared with conventional pyrolytic bio-oil. The proportions of syngas (H2 + CO) and methane (CH4) in the gas product produced under microwave-enhanced pyrolysis are 62.52 and 22.41 vol.% respectively, which are higher than that of gas product from conventional pyrolysis. It is clear that microwave-enhanced pyrolysis has shown the potential as an alternative method for biomass conversion.

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Acknowledgment

Ministry of Science and Technology of China (Grant No. 2008DFA61600), Bureau of Science and Technology of Ningbo City (Grant No.2008B10048) and Ningbo Municipal Innovation Team on WEEE Recycling Technologies (Grant No. 2012B82011) are acknowledged for the financial support to this study. The University of Nottingham Ningbo China is also appreciated for providing Scholarship to PhD students involved in this work.

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Authors and Affiliations

  1. Division of Engineering, The University of Nottingham Ningbo China, No.199 Taikang East Road, 315100, Ningbo, China

    Shi Kaiqi, Wu Tao, Yan Jiefeng, Zhao Haitao & Hall Philip

  2. School of Chemical and Environmental Engineering, The University of Nottingham, NG7 2RD, Nottingham, UK

    Lester Edward

Authors
  1. Shi Kaiqi
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  2. Wu Tao
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  3. Yan Jiefeng
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  4. Zhao Haitao
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  5. Hall Philip
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  6. Lester Edward
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Correspondence to Wu Tao .

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Editors and Affiliations

  1. Department of Mechanical Engineering, University of Ontario Institute of Technology (UOIT), Oshawa, Canada

    Ibrahim Dincer

  2. Department of Mechanical Engineering, Recep Tayyip Erdogan University, Rize, Turkey

    Adnan Midilli

  3. Department of Mechanical Engineering, Recep Tayyip Erdogan University, Rize, Turkey

    Haydar Kucuk

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Kaiqi, S., Tao, W., Jiefeng, Y., Haitao, Z., Philip, H., Edward, L. (2014). Microwave Enhanced Pyrolysis Of Gumwood. In: Dincer, I., Midilli, A., Kucuk, H. (eds) Progress in Sustainable Energy Technologies: Generating Renewable Energy. Springer, Cham. https://doi.org/10.1007/978-3-319-07896-0_44

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  • DOI: https://doi.org/10.1007/978-3-319-07896-0_44

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-07895-3

  • Online ISBN: 978-3-319-07896-0

  • eBook Packages: EnergyEnergy (R0)

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