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On-line catalytic upgrading of biomass fast pyrolysis products

  • Articles/Energy Science & Technology
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Chinese Science Bulletin

Abstract

Pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) was employed to achieve fast pyrolysis of biomass and on-line analysis of the pyrolysis vapors. Four biomass materials (poplar wood, fir wood, cotton straw and rice husk) were pyrolyzed to reveal the difference among their products. Moreover, catalytic cracking of the pyrolysis vapors from cotton straw was performed by using five catalysts, including two microporous zeolites (HZSM-5 and HY) and three mesoporous catalysts (ZrO2&TiO2, SBA-15 and Al/SBA-15). The results showed that the distribution of the pyrolytic products from the four materials differed a little from each other, while catalytic cracking could significantly alter the pyrolytic products. Those important primary pyrolytic products such as levoglucosan, hydroxyacetaldehyde and 1-hydroxy-2-propanone were decreased greatly after catalysis. The two microporous zeolites were effective to generate high yields of hydrocarbons, while the three mesoporous materials favored the formation of furan, furfural and other furan compounds, as well as acetic acid.

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Authors and Affiliations

  1. Key Laboratory for Biomass Clean Energy of Anhui Province, University of Science and Technology of China, Hefei, 230026, China

    Qiang Lu, XiFeng Zhu, WenZhi Li, Ying Zhang & DengYu Chen

Authors
  1. Qiang Lu
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  2. XiFeng Zhu
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  3. WenZhi Li
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  4. Ying Zhang
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  5. DengYu Chen
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Corresponding author

Correspondence to XiFeng Zhu.

Additional information

Supported by the National Basic Research Program of China (Grant No. 2007CB210203), National Key Technologies R&D Program of China (Grant No. 2007BAD34B02) and Knowledge Innovation Program of Chinese Academy of Sciences (Grant No. KGCX2-YW-330)

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Lu, Q., Zhu, X., Li, W. et al. On-line catalytic upgrading of biomass fast pyrolysis products. Chin. Sci. Bull. 54, 1941–1948 (2009). https://doi.org/10.1007/s11434-009-0273-5

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  • DOI: https://doi.org/10.1007/s11434-009-0273-5

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