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Difference in chemical composition of supercritical methanolysis products between two lignites

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Listed:
  • Chen, Bo
  • Wei, Xian-Yong
  • Zong, Zhi-Min
  • Yang, Zhu-Sheng
  • Qing, Yu
  • Liu, Chang

Abstract

Dehydrated Xilinhaote lignite (XL) and Huolinguole lignite (HL) were depolymerized in supercritical methanol at 310°C and the resulting soluble reaction mixtures were analyzed with GC/MS. The results show that the GC/MS-detectable species can be classified into hydroxybenzenes (HBs), esters, ketones, alkanols, arenes, methoxybenzene, alkanes, alkenes, nitrogen-containing organic compounds, sulfur-containing organic compounds, aldehydes and other compounds. However, the difference in the product yield from different coals is significant. The most abundant products are HBs from XL and esters from HL.

Suggested Citation

  • Chen, Bo & Wei, Xian-Yong & Zong, Zhi-Min & Yang, Zhu-Sheng & Qing, Yu & Liu, Chang, 2011. "Difference in chemical composition of supercritical methanolysis products between two lignites," Applied Energy, Elsevier, vol. 88(12), pages 4570-4576.
    • Handle: RePEc:eee:appene:v:88:y:2011:i:12:p:4570-4576
    DOI: 10.1016/j.apenergy.2011.05.052
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    1. Tang, Shi-Rong & Zong, Zhi-Min & Zhou, Lei & Zhao, Wei & Li, Xiao-Bo & Peng, Yao-Li & Xie, Rui-Lun & Chen, Xiao-Fei & Gu, Wen-Tao & Wei, Xian-Yong, 2010. "Molecular composition of soluble fraction from depolymerized cornstalk powder in supercritical methanol and ethanol," Renewable Energy, Elsevier, vol. 35(5), pages 946-951.
    2. Nolan, Peter & Shipman, Alan & Rui, Huaichuan, 2004. "Coal Liquefaction, Shenhua Group, and China's Energy Security," European Management Journal, Elsevier, vol. 22(2), pages 150-164, April.
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    Cited by:

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    2. Liu, Fang-Jing & Liu, Guang-Hui & Gasem, Khaled A.M. & Xu, Bang & Goroncy, Alexander & Tang, Ming-Chen & Huang, Zai-Xing & Fan, Maohong & Wei, Xian-Yong, 2020. "Green and efficient two-step degradation approach for converting Powder River Basin coal into fuels/chemicals and insights into their chemical compositions," Applied Energy, Elsevier, vol. 264(C).
    3. Liu, Peng & Zhang, Dexiang & Wang, Lanlan & Zhou, Yang & Pan, Tieying & Lu, Xilan, 2016. "The structure and pyrolysis product distribution of lignite from different sedimentary environment," Applied Energy, Elsevier, vol. 163(C), pages 254-262.
    4. Hui Fan & Menglin Ren & Caiyun Feng & Yue Jiao & Yonghui Bai & Qingxiang Ma, 2022. "Pyrolysis Characteristics of Hailar Lignite in the Presence of Polyvinyl Chloride: Products Distribution and Chlorine Migration," Energies, MDPI, vol. 15(9), pages 1-12, May.
    5. Liu, Fang-Jing & Gasem, Khaled A.M. & Tang, Mingchen & Goroncy, Alexander & He, Xin & Huang, Zaixing & Sun, Kaidi & Fan, Maohong, 2018. "Mild degradation of Powder River Basin sub-bituminous coal in environmentally benign supercritical CO2-ethanol system to produce valuable high-yield liquid tar," Applied Energy, Elsevier, vol. 225(C), pages 460-470.
    6. Liu, Fang-Jing & Wei, Xian-Yong & Fan, Maohong & Zong, Zhi-Min, 2016. "Separation and structural characterization of the value-added chemicals from mild degradation of lignites: A review," Applied Energy, Elsevier, vol. 170(C), pages 415-436.

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