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High quality syngas production via steam-oxygen blown bubbling fluidised bed gasifier

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  • Stendardo, Stefano
  • Foscolo, Pier Ugo
  • Nobili, Mirko
  • Scaccia, Silvera

Abstract

This paper presents experimental and modelling results of fuel gas obtained in a steam-oxygen blown fluidised bed pilot scale (500 kWth) coal gasifier that is part of the ZECOMIX (Zero Emission of CarbOn with MIXed Technologies) research infrastructure run by ENEA. As there is poor information about start up and steady state operation of fluidised bed gasifiers at such a scale, in this work we investigated the influence of some important parameters such as coal ignition temperature, feeding rate of particulate bed material (olivine sand) and transition from oxidant to reducing environment. The experimental runs confirmed the crucial importance of S/O (steam/oxygen) ratio on the product gas composition. High quality syngas (low content of methane, below 1.0 v/v %, and high content of H2 and CO: CO + H2 61.0 v/v%) was obtained with S/O = 1.1.

Suggested Citation

  • Stendardo, Stefano & Foscolo, Pier Ugo & Nobili, Mirko & Scaccia, Silvera, 2016. "High quality syngas production via steam-oxygen blown bubbling fluidised bed gasifier," Energy, Elsevier, vol. 103(C), pages 697-708.
    • Handle: RePEc:eee:energy:v:103:y:2016:i:c:p:697-708
    DOI: 10.1016/j.energy.2016.03.011
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    Cited by:

    1. Gai, Chao & Chen, Mengjun & Liu, Tingting & Peng, Nana & Liu, Zhengang, 2016. "Gasification characteristics of hydrochar and pyrochar derived from sewage sludge," Energy, Elsevier, vol. 113(C), pages 957-965.
    2. ABM Abdul Malek & M Hasanuzzaman & Nasrudin A Rahim & Yusuf A Al–Turki, 2021. "Energy, economic, and environmental analysis of 10-MW biomass gasification based power generation in Malaysia," Energy & Environment, , vol. 32(2), pages 295-337, March.
    3. Sun, Yongqi & Seetharaman, Seshadri & Liu, Qianyi & Zhang, Zuotai & Liu, Lili & Wang, Xidong, 2016. "Integrated biomass gasification using the waste heat from hot slags: Control of syngas and polluting gas releases," Energy, Elsevier, vol. 114(C), pages 165-176.
    4. Meng, Sai & Zulli, Paul & Yang, Chaohe & Wang, Zhe & Meng, Qingbo & Zhang, Guangqing, 2022. "Energy and exergy analyses of an intensified char gasification process," Energy, Elsevier, vol. 239(PD).
    5. Aydin, Ebubekir Siddik & Yucel, Ozgun & Sadikoglu, Hasan, 2017. "Development of a semi-empirical equilibrium model for downdraft gasification systems," Energy, Elsevier, vol. 130(C), pages 86-98.

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