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Products distribution of catalytic co-pyrolysis of greenhouse vegetable wastes and coal

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  • Merdun, Hasan
  • Sezgin, İsmail Veli

Abstract

Synergic effect of greenhouse vegetable wastes (GVWs) and lignite coal was investigated with different feedstock particle sizes and pyrolysis temperatures by using natural catalysts (calcite, dolomite, and zeolite) in a laboratory scale fast pyrolysis experimental system. The yields of co-pyrolysis products (biochar, bio-oil, and gases) and bio-oil composition were used in revealing the synergic effects. The study results showed that a positive synergic effect in biochar yield but negative synergic effects in bio-oil and gas yields were observed. The mean respective yields of biochar, bio-oil, and gas of GVWs as wt% were 41.67, 40.05, 38.96 for calcite; 29.55, 30.79, 30.88 for dolomite; and 28.79, 29.16, 30.16 for zeolite. The mean respective yields of biochar, bio-oil, and gas of GVWs-coal blend as wt% were 55.93, 54.16, 53.87 for calcite; 21.73, 22.93, 23.24 for dolomite; and 22.34, 22.92, 22.90 for zeolite. Catalysts had no significant influences on the pyrolysis products yields of GVWs and GVWs-coal blend compared to the control. Similarly, no significant effects of catalysts on bio-oil composition were also observed. Feedstock particle size and pyrolysis temperature had little effect on the yields of products bio-oil compositions.

Suggested Citation

  • Merdun, Hasan & Sezgin, İsmail Veli, 2018. "Products distribution of catalytic co-pyrolysis of greenhouse vegetable wastes and coal," Energy, Elsevier, vol. 162(C), pages 953-963.
    • Handle: RePEc:eee:energy:v:162:y:2018:i:c:p:953-963
    DOI: 10.1016/j.energy.2018.08.004
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    References listed on IDEAS

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    1. Guo, Feiqiang & Li, Xiaolei & Wang, Yan & Liu, Yuan & Li, Tiantao & Guo, Chenglong, 2017. "Characterization of Zhundong lignite and biomass co-pyrolysis in a thermogravimetric analyzer and a fixed bed reactor," Energy, Elsevier, vol. 141(C), pages 2154-2163.
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    1. Yang, Ziqi & Wu, Yuanqing & Zhang, Zisheng & Li, Hong & Li, Xingang & Egorov, Roman I. & Strizhak, Pavel A. & Gao, Xin, 2019. "Recent advances in co-thermochemical conversions of biomass with fossil fuels focusing on the synergistic effects," Renewable and Sustainable Energy Reviews, Elsevier, vol. 103(C), pages 384-398.
    2. Merdun, Hasan & Laougé, Zakari Boubacar, 2021. "Kinetic and thermodynamic analyses during co-pyrolysis of greenhouse wastes and coal by TGA," Renewable Energy, Elsevier, vol. 163(C), pages 453-464.
    3. Liu, Chao & Liu, Jingyong & Evrendilek, Fatih & Xie, Wuming & Kuo, Jiahong & Buyukada, Musa, 2020. "Bioenergy and emission characterizations of catalytic combustion and pyrolysis of litchi peels via TG-FTIR-MS and Py-GC/MS," Renewable Energy, Elsevier, vol. 148(C), pages 1074-1093.

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