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Comparison of catalytic hydroliquefaction of Xiaolongtan lignite over FeS, FeS+S and SO42-/ZrO2

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  • Kang, Shi-Gang
  • Zong, Zhi-Min
  • Shui, Heng-Fu
  • Wang, Zhi-Cai
  • Wei, Xian-Yong

Abstract

The catalytic hydroliquefaction of Xiaolongtan lignite (XL, a Chinese lignite) was investigated in a batch autoclave. The effects of reaction temperature, time and initial H2 pressure on the yields of gaseous and extractable portions (GEPs) were discussed. The catalytic activity of FeS+S was compared with that of FeS and SO42-/ZrO2, respectively. The results show that FeS+S is more active for XL hydroliquefaction than the other two catalysts and affords the highest gas and oil (G & O) yields in the three catalysts. The highest total yield of GEPs from XL hydroliquefaction gets to 90.0%, while total yield of G & O is 61.1% at 420 °C for 30 min over FeS+S. The assistant catalysis of the added sulfur was discussed. The structural features of asphaltenes and preasphaltenes were examined by elemental and FTIR analyses.

Suggested Citation

  • Kang, Shi-Gang & Zong, Zhi-Min & Shui, Heng-Fu & Wang, Zhi-Cai & Wei, Xian-Yong, 2011. "Comparison of catalytic hydroliquefaction of Xiaolongtan lignite over FeS, FeS+S and SO42-/ZrO2," Energy, Elsevier, vol. 36(1), pages 41-45.
    • Handle: RePEc:eee:energy:v:36:y:2011:i:1:p:41-45
    DOI: 10.1016/j.energy.2010.10.025
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    References listed on IDEAS

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    1. Xie, Kechang & Li, Wenying & Zhao, Wei, 2010. "Coal chemical industry and its sustainable development in China," Energy, Elsevier, vol. 35(11), pages 4349-4355.
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    1. Quan, Hongping & Li, Pengfei & Duan, Wenmeng & Chen, Liao & Xing, Langman, 2019. "A series of methods for investigating the effect of a flow improver on the asphaltene and resin of crude oil," Energy, Elsevier, vol. 187(C).

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