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Fast Pyrolysis of Cellulose and the Effect of a Catalyst on Product Distribution

Author

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  • Tanglei Sun

    (Institute of Urban & Rural Mining, Changzhou University, Changzhou 213164, China
    Changzhou Key Laboratory of Biomass Green, Safe & High Value Utilization Technology, Changzhou 213164, China)

  • Lu Zhang

    (Institute of Urban & Rural Mining, Changzhou University, Changzhou 213164, China)

  • Yantao Yang

    (Institute of Urban & Rural Mining, Changzhou University, Changzhou 213164, China
    Changzhou Key Laboratory of Biomass Green, Safe & High Value Utilization Technology, Changzhou 213164, China)

  • Yanling Li

    (Institute of Urban & Rural Mining, Changzhou University, Changzhou 213164, China
    Changzhou Key Laboratory of Biomass Green, Safe & High Value Utilization Technology, Changzhou 213164, China)

  • Suxia Ren

    (Institute of Urban & Rural Mining, Changzhou University, Changzhou 213164, China
    Changzhou Key Laboratory of Biomass Green, Safe & High Value Utilization Technology, Changzhou 213164, China)

  • Lili Dong

    (Institute of Urban & Rural Mining, Changzhou University, Changzhou 213164, China
    Changzhou Key Laboratory of Biomass Green, Safe & High Value Utilization Technology, Changzhou 213164, China)

  • Tingzhou Lei

    (Institute of Urban & Rural Mining, Changzhou University, Changzhou 213164, China
    Changzhou Key Laboratory of Biomass Green, Safe & High Value Utilization Technology, Changzhou 213164, China)

Abstract

Fast pyrolysis of microcrystalline cellulose (MC) was carried out by pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS). The effects of temperature, time, and a catalyst on the distribution of the pyrolysis products were analyzed. The reaction temperature and time can significantly affect the types and yields of compounds produced by cellulose pyrolysis. A pyrolysis temperature of 500–600 °C and pyrolysis time of 20 s optimized the yield of volatile liquid in the pyrolysis products of cellulose. In all catalytic experiments, the relative contents of alcohols (1.97%), acids (2.32%), and esters (4.52%) were highest when K 2 SO 4 was used as a catalyst. HZSM-5 promoted the production of carbohydrates (92.35%) and hydrocarbons (2.20%), while it inhibited the production of aldehydes (0.30%) and ketones (1.80%). MCM-41 had an obvious catalytic effect on cellulose, increasing the contents of aldehydes (41.58%), ketones (24.51%), phenols (1.82%), furans (8.90%), and N-compounds (12.40%) and decreasing those of carbohydrates (5.38%) and alcohols (0%).

Suggested Citation

  • Tanglei Sun & Lu Zhang & Yantao Yang & Yanling Li & Suxia Ren & Lili Dong & Tingzhou Lei, 2022. "Fast Pyrolysis of Cellulose and the Effect of a Catalyst on Product Distribution," IJERPH, MDPI, vol. 19(24), pages 1-14, December.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:24:p:16837-:d:1004127
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    References listed on IDEAS

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    1. Yang, Xiaoxiao & Fu, Zewu & Han, Duoduo & Zhao, Yuying & Li, Rui & Wu, Yulong, 2020. "Unveiling the pyrolysis mechanisms of cellulose: Experimental and theoretical studies," Renewable Energy, Elsevier, vol. 147(P1), pages 1120-1130.
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