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Effects of carbon dioxide on pyrolysis of peat

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  • Lee, Jechan
  • Yang, Xiao
  • Song, Hocheol
  • Ok, Yong Sik
  • Kwon, Eilhann E.

Abstract

This study focuses on the mechanistic understanding of effects of CO2 on pyrolysis of peat. To do this, three pyrolytic products (i.e., syngas: H2 and CO, pyrolytic oil (tar), and biochar) were characterized. Thermal cracking of volatile organic carbons (VOCs) generated from pyrolysis of peat was enhanced in the presence of CO2. Besides the enhanced thermal cracking of VOCs, unknown reaction between CO2 and VOCs was also identified. Accordingly, CO2 played a role in enhancing syngas production and in reducing tar formation in pyrolysis of peat. This study also reveals that peat-biochar produced in CO2 exhibited a larger surface area than that produced in N2. The results shown in this paper would be used for various applications such as energy recovery from peat using a potent greenhouse gas (for example, CO2).

Suggested Citation

  • Lee, Jechan & Yang, Xiao & Song, Hocheol & Ok, Yong Sik & Kwon, Eilhann E., 2017. "Effects of carbon dioxide on pyrolysis of peat," Energy, Elsevier, vol. 120(C), pages 929-936.
    • Handle: RePEc:eee:energy:v:120:y:2017:i:c:p:929-936
    DOI: 10.1016/j.energy.2016.11.143
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    References listed on IDEAS

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    1. Lam, Su Shiung & Wan Mahari, Wan Adibah & Cheng, Chin Kui & Omar, Rozita & Chong, Cheng Tung & Chase, Howard A., 2016. "Recovery of diesel-like fuel from waste palm oil by pyrolysis using a microwave heated bed of activated carbon," Energy, Elsevier, vol. 115(P1), pages 791-799.
    2. Wan Adibah Wan Mahari & Nur Fatihah Zainuddin & Wan Mohd Norsani Wan Nik & Cheng Tung Chong & Su Shiung Lam, 2016. "Pyrolysis Recovery of Waste Shipping Oil Using Microwave Heating," Energies, MDPI, vol. 9(10), pages 1-9, September.
    3. Lam, Su Shiung & Liew, Rock Keey & Jusoh, Ahmad & Chong, Cheng Tung & Ani, Farid Nasir & Chase, Howard A., 2016. "Progress in waste oil to sustainable energy, with emphasis on pyrolysis techniques," Renewable and Sustainable Energy Reviews, Elsevier, vol. 53(C), pages 741-753.
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    Cited by:

    1. Mustapha Danladi Ibrahim & Yousif Abdalla Abakr & Suyin Gan & Lai Yee Lee & Suchithra Thangalazhy-Gopakumar, 2022. "Intermediate Pyrolysis of Bambara Groundnut Shell (BGS) in Various Inert Gases (N 2 , CO 2 , and N 2 /CO 2 )," Energies, MDPI, vol. 15(22), pages 1-16, November.
    2. Kwon, Eilhann E. & Lee, Taewoo & Ok, Yong Sik & Tsang, Daniel C.W. & Park, Chanhyuk & Lee, Jechan, 2018. "Effects of calcium carbonate on pyrolysis of sewage sludge," Energy, Elsevier, vol. 153(C), pages 726-731.
    3. Lee, Jechan & Choi, Dongho & Kwon, Eilhann E. & Ok, Yong Sik, 2017. "Functional modification of hydrothermal liquefaction products of microalgal biomass using CO2," Energy, Elsevier, vol. 137(C), pages 412-418.
    4. Mika Pahnila & Aki Koskela & Petri Sulasalmi & Timo Fabritius, 2023. "A Review of Pyrolysis Technologies and the Effect of Process Parameters on Biocarbon Properties," Energies, MDPI, vol. 16(19), pages 1-27, October.
    5. Hou, Yanmei & Gao, Qi & He, Yuyu & Ni, Liangmeng & Ren, Hao & Su, Mengfu & Rong, Shaowen & Liu, Zhijia, 2023. "Pyrolysis characteristics and gaseous products of bamboo shoot shells under N2 and CO2 atmospheres," Renewable Energy, Elsevier, vol. 215(C).
    6. Lee, Jechan & Oh, Jeong-Ik & Ok, Yong Sik & Kwon, Eilhann E., 2017. "Study on susceptibility of CO2-assisted pyrolysis of various biomass to CO2," Energy, Elsevier, vol. 137(C), pages 510-517.

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