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Experimental evaluations of solid-fueled pressurized chemical looping combustion – The effects of pressure, solid fuel and iron-based oxygen carriers

Author

Listed:
  • Chen, Liangyong
  • Kong, Liang
  • Bao, Jinhua
  • Combs, Megan
  • Nikolic, Heather S.
  • Fan, Zhen
  • Liu, Kunlei

Abstract

Coal-based Pressurized Chemical Looping Combustion Combined Cycle (PCLC-CC) is the second generation of coal-fueled CLC plant, which possesses much higher plant efficiency and lower-CO2 capture cost compared to the first generation - Coal-based CLC combined solely with steam cycle. PCLC-CC has a similar plant configuration to the Pressurized Fluidized Bed Combined Cycle (PFBC), and is composed of a PCLC Island, gas turbine, Heat Recovery Steam Generator (HRSG) and steam cycle. In the fuel reactor of PCLC Island, the metal-based oxygen carrier (OC) supplies oxygen for coal combustion and in-situ CO2 capture. The air reactor of PCLC Island, where the OC is re-oxidized by air, serves as a combustion reactor to produce oxygen-depleted air of high temperature and high pressure to drive the gas turbine and the following steam cycle for large-scale power generation. This research provides an initial understanding of the complex reactions in the fuel reactor of the solid-fueled PCLC Island in the pressures range of 1–6bars. Experiments conducted in the TGA apparatus and the fixed- and fluidized-bed reactors demonstrated the effects of operational pressure, coal char reactivity and different iron-based OCs behavior on the performance of PCLC.

Suggested Citation

  • Chen, Liangyong & Kong, Liang & Bao, Jinhua & Combs, Megan & Nikolic, Heather S. & Fan, Zhen & Liu, Kunlei, 2017. "Experimental evaluations of solid-fueled pressurized chemical looping combustion – The effects of pressure, solid fuel and iron-based oxygen carriers," Applied Energy, Elsevier, vol. 195(C), pages 1012-1022.
    • Handle: RePEc:eee:appene:v:195:y:2017:i:c:p:1012-1022
    DOI: 10.1016/j.apenergy.2017.03.085
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    Citations

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    Cited by:

    1. Bartocci, Pietro & Abad, Alberto & Mattisson, Tobias & Cabello, Arturo & Loscertales, Margarita de las Obras & Negredo, Teresa Mendiara & Zampilli, Mauro & Taiana, Andrea & Serra, Angela & Arauzo, Inm, 2022. "Bioenergy with Carbon Capture and Storage (BECCS) developed by coupling a Pressurised Chemical Looping combustor with a turbo expander: How to optimize plant efficiency," Renewable and Sustainable Energy Reviews, Elsevier, vol. 169(C).
    2. Pietro Bartocci & Alberto Abad & Aldo Bischi & Lu Wang & Arturo Cabello & Margarita de Las Obras Loscertales & Mauro Zampilli & Haiping Yang & Francesco Fantozzi, 2023. "Dimensioning Air Reactor and Fuel Reactor of a Pressurized Chemical Looping Combustor to Be Coupled to a Gas Turbine: Part 1, the Air Reactor," Energies, MDPI, vol. 16(5), pages 1-20, February.
    3. Zeng, Jimin & Xiao, Rui & Zhang, Shuai & Zhang, Huiyan & Zeng, Dewang & Qiu, Yu & Ma, Zhong, 2018. "Identifying iron-based oxygen carrier reduction during biomass chemical looping gasification on a thermogravimetric fixed-bed reactor," Applied Energy, Elsevier, vol. 229(C), pages 404-412.
    4. Zhang, Hao & Liu, Xiangyu & Hong, Hui & Jin, Hongguang, 2018. "Characteristics of a 10 kW honeycomb reactor for natural gas fueled chemical-looping combustion," Applied Energy, Elsevier, vol. 213(C), pages 285-292.
    5. Laixing Luo & Xing Zheng & Jianye Wang & Wu Qin & Xianbin Xiao & Zongming Zheng, 2021. "Catalyzed Ethanol Chemical Looping Gasification Mechanism on the Perfect and Reduced Fe 2 O 3 Surfaces," Energies, MDPI, vol. 14(6), pages 1-15, March.
    6. Zhao, Ying-jie & Zhang, Yu-ke & Cui, Yang & Duan, Yuan-yuan & Huang, Yi & Wei, Guo-qiang & Mohamed, Usama & Shi, Li-juan & Yi, Qun & Nimmo, William, 2022. "Pinch combined with exergy analysis for heat exchange network and techno-economic evaluation of coal chemical looping combustion power plant with CO2 capture," Energy, Elsevier, vol. 238(PA).

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