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MAP  >  Progress in Reaction Kinetics and Mechanism
2021 Volume 46
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ARTICLE   Open Access    

Effects of pyrolysis parameters on the distribution of pyrolysis products of Miscanthus

  • 1.

    School of Energy & Power Engineering, Changsha University of Science & Technology, Changsha, China

  • 2.

    School of Energy and Environment, Southeast University, Nanjing, China

    • Fund Project: The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by the natural science foundation of China for young scholars (no.51706022), the Natural Science Foundation of Hunan Province of China for Young Scholars (Nos 2018JJ3545 and 2018JJ3552), Open Fund of Innovation Platform of Hunan Provincial Education Department of China (No. 17K002), Open Fund of Key Laboratory of Renewable Energy Electric-Technology of Hunan Province (No. 2017ZNDL007), and the Innovative Team of Key Technologies of Energy Conservation, Emission Reduction and Intelligent Control for Power-Generating Equipment and System at CSUST. We are grateful to Jingping Qin at Hunan Agricultural University, China, for the supply of samples
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  • Corresponding author: Hong Tian, School of Energy & Power Engineering, Changsha University of Science & Technology, Changsha 410114, Hunan, China. Email: tianh1103@163.com 
  • This work presents a comprehensive study on the effects of pyrolysis parameters (pyrolysis temperature, residence time, and heating rate) on the distribution of pyrolysis products of Miscanthus. Py-GC/MS (Pyrolysis-gas chromatography/mass) was conducted to identify building blocks of value-added chemical from Miscanthus. The results showed that the main pyrolysis products of Miscanthus were ketone, aldehyde, phenol, heterocycles, and aromatic compounds. The representative compounds of ketone and aldehyde compounds produced at different pyrolysis temperatures changed obviously, while the representative compounds of phenolic, heterocyclic, and aromatic compounds had no obvious change. Large-scale pyrolysis of Miscanthus had begun at 400℃, and the relative content of pyrolysis products from Miscanthus reached the maximum of 98.34% at 700℃. The relative peak area ratio of phenol and aromatic compounds reached the maximum and minimum at the residence time of 5 and 10 s, while the relative peak area ratio of ketone compounds showed the opposite trend. The relative peak area ratio of aldehyde compounds was higher under shorter or longer residence time. For heterocyclic compounds, the relative peak area ratio reached the maximum of 27.0% at residence time of 10 s. The faster or slower heating rate was beneficial to the production of aldehyde and phenol compounds. The relative peak area ratio of ketone compounds reached the maximum at 10, 000℃/s, 70℃/s, and 10℃/s, and the relative peak area ratio tendency of heterocyclic compounds was similar to ketone. For aromatic compounds, the overall fluctuations were large, and the relative peak area ratio was the highest at the heating rate of 100℃/s.

  • Cite this article

    Zhangmao Hu, Tong Zhou, Hong Tian, Leihua Feng, Can Yao, Yanshan Yin, Donglin Chen. 2021. Effects of pyrolysis parameters on the distribution of pyrolysis products of Miscanthus. Progress in Reaction Kinetics and Mechanism. 46: doi: 10.1177/14686783211010970
    Zhangmao Hu, Tong Zhou, Hong Tian, Leihua Feng, Can Yao, Yanshan Yin, Donglin Chen. 2021. Effects of pyrolysis parameters on the distribution of pyrolysis products of Miscanthus. Progress in Reaction Kinetics and Mechanism. 46: doi: 10.1177/14686783211010970
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Article   Open Access    

Effects of pyrolysis parameters on the distribution of pyrolysis products of Miscanthus

  • 1.

    School of Energy & Power Engineering, Changsha University of Science & Technology, Changsha, China

  • 2.

    School of Energy and Environment, Southeast University, Nanjing, China

    • Fund Project: The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by the natural science foundation of China for young scholars (no.51706022), the Natural Science Foundation of Hunan Province of China for Young Scholars (Nos 2018JJ3545 and 2018JJ3552), Open Fund of Innovation Platform of Hunan Provincial Education Department of China (No. 17K002), Open Fund of Key Laboratory of Renewable Energy Electric-Technology of Hunan Province (No. 2017ZNDL007), and the Innovative Team of Key Technologies of Energy Conservation, Emission Reduction and Intelligent Control for Power-Generating Equipment and System at CSUST. We are grateful to Jingping Qin at Hunan Agricultural University, China, for the supply of samples
  • Corresponding author: Hong Tian, School of Energy & Power Engineering, Changsha University of Science & Technology, Changsha 410114, Hunan, China. Email: tianh1103@163.com 
Fund Project:  The author(s) disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This work was supported by the natural science foundation of China for young scholars (no.51706022), the Natural Science Foundation of Hunan Province of China for Young Scholars (Nos 2018JJ3545 and 2018JJ3552), Open Fund of Innovation Platform of Hunan Provincial Education Department of China (No. 17K002), Open Fund of Key Laboratory of Renewable Energy Electric-Technology of Hunan Province (No. 2017ZNDL007), and the Innovative Team of Key Technologies of Energy Conservation, Emission Reduction and Intelligent Control for Power-Generating Equipment and System at CSUST. We are grateful to Jingping Qin at Hunan Agricultural University, China, for the supply of samples
Progress in Reaction Kinetics and Mechanism  46,  Article number: 14686783211010970  (2021)  |  Cite this article

Abstract: This work presents a comprehensive study on the effects of pyrolysis parameters (pyrolysis temperature, residence time, and heating rate) on the distribution of pyrolysis products of Miscanthus. Py-GC/MS (Pyrolysis-gas chromatography/mass) was conducted to identify building blocks of value-added chemical from Miscanthus. The results showed that the main pyrolysis products of Miscanthus were ketone, aldehyde, phenol, heterocycles, and aromatic compounds. The representative compounds of ketone and aldehyde compounds produced at different pyrolysis temperatures changed obviously, while the representative compounds of phenolic, heterocyclic, and aromatic compounds had no obvious change. Large-scale pyrolysis of Miscanthus had begun at 400℃, and the relative content of pyrolysis products from Miscanthus reached the maximum of 98.34% at 700℃. The relative peak area ratio of phenol and aromatic compounds reached the maximum and minimum at the residence time of 5 and 10 s, while the relative peak area ratio of ketone compounds showed the opposite trend. The relative peak area ratio of aldehyde compounds was higher under shorter or longer residence time. For heterocyclic compounds, the relative peak area ratio reached the maximum of 27.0% at residence time of 10 s. The faster or slower heating rate was beneficial to the production of aldehyde and phenol compounds. The relative peak area ratio of ketone compounds reached the maximum at 10, 000℃/s, 70℃/s, and 10℃/s, and the relative peak area ratio tendency of heterocyclic compounds was similar to ketone. For aromatic compounds, the overall fluctuations were large, and the relative peak area ratio was the highest at the heating rate of 100℃/s.

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    Cite this article
    Zhangmao Hu, Tong Zhou, Hong Tian, Leihua Feng, Can Yao, Yanshan Yin, Donglin Chen. 2021. Effects of pyrolysis parameters on the distribution of pyrolysis products of Miscanthus. Progress in Reaction Kinetics and Mechanism. 46: doi: 10.1177/14686783211010970
    Zhangmao Hu, Tong Zhou, Hong Tian, Leihua Feng, Can Yao, Yanshan Yin, Donglin Chen. 2021. Effects of pyrolysis parameters on the distribution of pyrolysis products of Miscanthus. Progress in Reaction Kinetics and Mechanism. 46: doi: 10.1177/14686783211010970
    shu

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