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Generation efficiency improvement of IGCC with CO2 capture by the application of the low temperature reactive shift catalyst

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  • Sasaki, Takashi
  • Suzuki, Tomoko
  • Akasaka, Yasufumi
  • Takaoka, Masaki

Abstract

We have examined applicability to an integrated coal gasification combined cycle with carbon capture and storage (IGCC-CCS) system for Ni/Mo/TiO2 catalyst (Ni/Mo/Ti), which is a sulfur-tolerant water-gas shift (WGS) catalyst (sour shift catalyst), developed for the purpose of generation efficiency improvement for the IGCC-CCS system. First, we carried out a 1000-h continuous experiment for the H2O/CO ratio of 1.2 mol/mol and catalyst inlet temperature of 200 °C. The CO conversion rate maintained the initial activity for 1000 h and the catalyst crystal form after the experiment was not changed. Next, we estimated the effect of generation efficiency improvement for the IGCC-CCS system with the generating-end output of 370 MW by application of Ni/Mo/Ti. We estimated the net thermal efficiency for the H2O/CO ratio of 1.2 mol/mol was improved +0.8% points in comparison with that for the ratio of 1.6 mol/mol and could become 40.0% (HHV). The application of Ni/Mo/Ti to the IGCC-CCS system was judged to have a good prospect for contributing to efficiency improvement.

Suggested Citation

  • Sasaki, Takashi & Suzuki, Tomoko & Akasaka, Yasufumi & Takaoka, Masaki, 2017. "Generation efficiency improvement of IGCC with CO2 capture by the application of the low temperature reactive shift catalyst," Energy, Elsevier, vol. 118(C), pages 60-67.
    • Handle: RePEc:eee:energy:v:118:y:2017:i:c:p:60-67
    DOI: 10.1016/j.energy.2016.12.023
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    References listed on IDEAS

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    1. Descamps, C. & Bouallou, C. & Kanniche, M., 2008. "Efficiency of an Integrated Gasification Combined Cycle (IGCC) power plant including CO2 removal," Energy, Elsevier, vol. 33(6), pages 874-881.
    2. Giuffrida, A. & Bonalumi, D. & Lozza, G., 2013. "Amine-based post-combustion CO2 capture in air-blown IGCC systems with cold and hot gas clean-up," Applied Energy, Elsevier, vol. 110(C), pages 44-54.
    3. Giuffrida, Antonio & Romano, Matteo C. & Lozza, Giovanni, 2013. "Efficiency enhancement in IGCC power plants with air-blown gasification and hot gas clean-up," Energy, Elsevier, vol. 53(C), pages 221-229.
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    Cited by:

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    2. Chen, Qin & Rosner, Fabian & Rao, Ashok & Samuelsen, Scott & Bonnema, Michael & Jayaraman, Ambal & Alptekin, Gokhan, 2020. "Simulation of elevated temperature combined water gas shift and solid sorbent CO2 capture for pre-combustion applications using computational fluid dynamics," Applied Energy, Elsevier, vol. 267(C).
    3. Tamura, Masato & Gotou, Takahiro & Ishii, Hiroki & Riechelmann, Dirk, 2020. "Experimental investigation of ammonia combustion in a bench scale 1.2 MW-thermal pulverised coal firing furnace," Applied Energy, Elsevier, vol. 277(C).

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