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Indirect coal liquefaction by integrated entrained flow gasification and Rectisol/Fischer–Tropsch processes for producing automobile diesel substitutes

Author

Listed:
  • Ra, Ho Won
  • Mun, Tae-Young
  • Hong, Sung Jun
  • Chun, Dong Hyun
  • Lee, Ho Tae
  • Yoon, Sung Min
  • Moon, Ji Hong
  • Park, Sung Jin
  • Lee, Seok Hyeong
  • Yang, Jung Hoon
  • Kim, Jae-Kon
  • Jung, Heon
  • Seo, Myung Won

Abstract

Herein, we describe the design and operation of an indirect coal liquefaction plant with integrated coal-water slurry manufacturing, entrained flow gasification, Rectisol, and Fischer–Tropsch processes to produce liquid fuels for vehicles. The above plant contained an entrained flow gasifier (10 t/d test rig) operated using oxygen as a gasifying agent (21 bar, 1100 °C) and could stably produce synthesis gas (37.8 vol% H2, 36.4 vol% CO) at 600 Nm3/h. Due to the importance of impurities in synthetic liquid fuel production, more than 99% of H2S contained in synthesis gas was removed by the Rectisol process employing refrigerated methanol. An iron-based catalyst allowed liquid fuels containing wax, light/heavy oil, and alcohol fractions to be obtained by the Fischer–Tropsch process at a rate of 5 barrel per day, with detailed analysis confirming their compliance with various quality standards and thus their suitability for use as automobile diesel after distillation.

Suggested Citation

  • Ra, Ho Won & Mun, Tae-Young & Hong, Sung Jun & Chun, Dong Hyun & Lee, Ho Tae & Yoon, Sung Min & Moon, Ji Hong & Park, Sung Jin & Lee, Seok Hyeong & Yang, Jung Hoon & Kim, Jae-Kon & Jung, Heon & Seo, M, 2021. "Indirect coal liquefaction by integrated entrained flow gasification and Rectisol/Fischer–Tropsch processes for producing automobile diesel substitutes," Energy, Elsevier, vol. 219(C).
    • Handle: RePEc:eee:energy:v:219:y:2021:i:c:s0360544220327043
    DOI: 10.1016/j.energy.2020.119597
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    References listed on IDEAS

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    1. Zhou, Wenji & Zhu, Bing & Chen, Dingjiang & Zhao, Fangxian & Fei, Weiyang, 2011. "Technoeconomic assessment of China’s indirect coal liquefaction projects with different CO2 capture alternatives," Energy, Elsevier, vol. 36(11), pages 6559-6566.
    2. Pei, Pei & Wang, Qicheng & Wu, Daohong, 2015. "Application and research on Regenerative High Temperature Air Combustion technology on low-rank coal pyrolysis," Applied Energy, Elsevier, vol. 156(C), pages 762-766.
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    1. Roman Volkov & Timur Valiullin & Olga Vysokomornaya, 2021. "Spraying of Composite Liquid Fuels Based on Types of Coal Preparation Waste: Current Problems and Achievements: Review," Energies, MDPI, vol. 14(21), pages 1-17, November.

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