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Gasification performance of coals using high temperature air

Author

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  • Sugiyama, Shinobu
  • Suzuki, Naoki
  • Kato, Yoshitaka
  • Yoshikawa, Kunio
  • Omino, Akira
  • Ishii, Toru
  • Yoshikawa, K.
  • Kiga, Takashi

Abstract

MEET (Multi-staged Enthalpy Extraction Technology) system is a new coal/wastes-fired power generation system. In order to establish the MEET system technology, a demonstration plant of commercial scale, MEET-II, was installed. The capacity of the MEET-II is 2 t/day of coal of 4 t/day of RDF. MEET-II consists of a pebble bed slagging-gasifier, a high temperature air generator, and a high temperature air combustion boiler. Gasification with high temperature air results in higher heating value of syngas. Cleaned-up syngas is used as a fuel for the boiler as well as for preheating air up to 1000 °C. Combustion and gasification tests at the MEET-II were conducted using pulverized coal as a fuel. Combustion experiments demonstrated almost complete char combustion with a short residence time, and gasification experiments demonstrated targeted calorific value of syngas, 1000 kcal/mN3.

Suggested Citation

  • Sugiyama, Shinobu & Suzuki, Naoki & Kato, Yoshitaka & Yoshikawa, Kunio & Omino, Akira & Ishii, Toru & Yoshikawa, K. & Kiga, Takashi, 2005. "Gasification performance of coals using high temperature air," Energy, Elsevier, vol. 30(2), pages 399-413.
    • Handle: RePEc:eee:energy:v:30:y:2005:i:2:p:399-413
    DOI: 10.1016/j.energy.2004.06.001
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    Cited by:

    1. Wang, Fang & Zeng, Xi & Sun, Yanlin & Zhang, Juwei & Zhao, Zhigang & Wang, Yonggang & Xu, Guangwen, 2015. "Jetting pre-oxidation fluidized bed gasification process for caking coal: Fundamentals and pilot test," Applied Energy, Elsevier, vol. 160(C), pages 80-87.
    2. Umeki, Kentaro & Yamamoto, Kouichi & Namioka, Tomoaki & Yoshikawa, Kunio, 2010. "High temperature steam-only gasification of woody biomass," Applied Energy, Elsevier, vol. 87(3), pages 791-798, March.
    3. Ahmed, I. & Gupta, A.K., 2009. "Evolution of syngas from cardboard gasification," Applied Energy, Elsevier, vol. 86(9), pages 1732-1740, September.
    4. Fiaschi, Daniele & Carta, Riccardo, 2007. "CO2 abatement by co-firing of natural gas and biomass-derived gas in a gas turbine," Energy, Elsevier, vol. 32(4), pages 549-567.
    5. Ahmed, I. & Gupta, A.K., 2009. "Syngas yield during pyrolysis and steam gasification of paper," Applied Energy, Elsevier, vol. 86(9), pages 1813-1821, September.
    6. Emami Taba, Leila & Irfan, Muhammad Faisal & Wan Daud, Wan Ashri Mohd & Chakrabarti, Mohammed Harun, 2012. "The effect of temperature on various parameters in coal, biomass and CO-gasification: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(8), pages 5584-5596.
    7. Saulov, Dmitry N. & Plumb, Ovid A. & Klimenko, A.Y., 2010. "Flame propagation in a gasification channel," Energy, Elsevier, vol. 35(3), pages 1264-1273.

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