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Exergy analysis and performance evaluation of a newly developed integrated energy system for quenchable generation

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  • Ishaq, H.
  • Dincer, I.

Abstract

This paper presents an innovative use of waste heat recovered from a cement slag for multigeneration purposes, including power, ammonia, heat, hot water and oxygen production. A novel approach of ammonia production is employed in this study. The proposed system consists of four major subsystems; copper-chlorine (Cu-Cl) cycle, cryogenic Air Separation Unit (ASU), ammonia synthesis reactor and two steam Rankine cycles. The Aspen plus 9.0 version is employed for modeling and simulation of the proposed system. A comparative study is also conducted considering the different CuCl cycle based integrated systems for multigenerational purpose with numerous energy sources. The parametric studies are carried out by varying parameters, namely flow rate, compressor and turbine discharge pressures and ammonia reactor conversion rate. The exergy analysis is comprehensively conducted for each of the system components through exergy balance equations and exergy efficiencies. The overall exergy efficiency of the designed system is found to be 36.1%. Further results are also presented and discussed.

Suggested Citation

  • Ishaq, H. & Dincer, I., 2019. "Exergy analysis and performance evaluation of a newly developed integrated energy system for quenchable generation," Energy, Elsevier, vol. 179(C), pages 1191-1204.
    • Handle: RePEc:eee:energy:v:179:y:2019:i:c:p:1191-1204
    DOI: 10.1016/j.energy.2019.05.050
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    References listed on IDEAS

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    1. Ishaq, H. & Dincer, I. & Naterer, G.F., 2019. "Exergy and cost analyses of waste heat recovery from furnace cement slag for clean hydrogen production," Energy, Elsevier, vol. 172(C), pages 1243-1253.
    2. Tafone, Alessio & Dal Magro, Fabio & Romagnoli, Alessandro, 2018. "Integrating an oxygen enriched waste to energy plant with cryogenic engines and Air Separation Unit: Technical, economic and environmental analysis," Applied Energy, Elsevier, vol. 231(C), pages 423-432.
    3. Barati, M. & Esfahani, S. & Utigard, T.A., 2011. "Energy recovery from high temperature slags," Energy, Elsevier, vol. 36(9), pages 5440-5449.
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    Cited by:

    1. Xiayun Duan & Yifeng Ding & Huanna Niu & Yuzhu Wang, 2019. "Analysis of the Day-ahead Deviation Plan and Research on the Real-time Scheduling of Photovoltaic Greenhouses Based on Exergy Theory," Energies, MDPI, vol. 12(20), pages 1-21, October.
    2. Ruiqiu Yao & Yukun Hu & Liz Varga, 2023. "Applications of Agent-Based Methods in Multi-Energy Systems—A Systematic Literature Review," Energies, MDPI, vol. 16(5), pages 1-36, March.
    3. Wang, Haiyang & Zhang, Chenghui & Li, Ke & Ma, Xin, 2021. "Game theory-based multi-agent capacity optimization for integrated energy systems with compressed air energy storage," Energy, Elsevier, vol. 221(C).

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