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Experimental and kinetic modeling study of tert-butanol combustion at low pressure

Author

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  • Cai, Jianghuai
  • Zhang, Lidong
  • Yang, Jiuzhong
  • Li, Yuyang
  • Zhao, Long
  • Qi, Fei

Abstract

Pyrolysis of tert-butanol (2.77% tert-butanol in argon) in a laminar plug flow reactor was studied at low pressure and a temperature range of 950–1850 K. More than 20 pyrolysis species were identified by using synchrotron vacuum ultraviolet photoionization mass spectrometry (SVUV-PIMS); and their mole fraction profiles versus the pyrolysis temperature were evaluated. A kinetic model including 101 species and 511 reactions was developed and validated by both the pyrolysis data and recently reported rich premixed flame data (Combustion and Flame 2011; 158:2–15). Reaction flux analysis demonstrates that the main decomposition reaction sequence of tert-butanol in both pyrolysis and rich flame is tC4H9OH/lC4H8OH → iC4H8 → iC4H7 → aC3H4 → pC3H4 → C2H2. The most remarkable difference is that the H2O elimination reaction is the dominant primary decomposition pathway of tert-butanol in the pyrolysis, while H-abstraction reactions control the primary decomposition of tert-butanol in the rich flame.

Suggested Citation

  • Cai, Jianghuai & Zhang, Lidong & Yang, Jiuzhong & Li, Yuyang & Zhao, Long & Qi, Fei, 2012. "Experimental and kinetic modeling study of tert-butanol combustion at low pressure," Energy, Elsevier, vol. 43(1), pages 94-102.
    • Handle: RePEc:eee:energy:v:43:y:2012:i:1:p:94-102
    DOI: 10.1016/j.energy.2011.12.024
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    Cited by:

    1. Liu, Kaimin & Fu, Jianqin & Deng, Banglin & Yang, Jing & Tang, Qijun & Liu, Jingping, 2014. "The influences of pressure and temperature on laminar flame propagations of n-butanol, iso-octane and their blends," Energy, Elsevier, vol. 73(C), pages 703-715.
    2. Gu, Tianbao & Yin, Chungen & Ma, Wenchao & Chen, Guanyi, 2019. "Municipal solid waste incineration in a packed bed: A comprehensive modeling study with experimental validation," Applied Energy, Elsevier, vol. 247(C), pages 127-139.

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