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Enhancement of APCI cycle efficiency with absorption chillers

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  • Mortazavi, Amir
  • Somers, Christopher
  • Alabdulkarem, Abdullah
  • Hwang, Yunho
  • Radermacher, Reinhard

Abstract

Liquefied natural gas (LNG) plants consume a great amount of energy. In order to enhance the energy efficiency of the LNG plant, the potential energy efficiency enhancements of various options of utilizing the waste heat powered absorption chillers in the propane pre-cooled mixed refrigerant (APCI) liquefaction cycle were investigated in this study. After developing models of the LNG process, gas turbine and absorption chillers, eight options of gas turbine waste heat utilization were simulated. The simulation results show that by replacing 22 °C and 9 °C evaporators and cooling the condenser of propane cycle at 14 °C and inter-cooling the compressor of mixed refrigerant cycle with absorption chillers which are powered by waste heat from the gas turbine, both the compressor power and fuel consumption reduction can be achieved as much as 21.32%. This enhancement requires recovering at least 97% of gas turbine waste heat.

Suggested Citation

  • Mortazavi, Amir & Somers, Christopher & Alabdulkarem, Abdullah & Hwang, Yunho & Radermacher, Reinhard, 2010. "Enhancement of APCI cycle efficiency with absorption chillers," Energy, Elsevier, vol. 35(9), pages 3877-3882.
    • Handle: RePEc:eee:energy:v:35:y:2010:i:9:p:3877-3882
    DOI: 10.1016/j.energy.2010.05.043
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    Citations

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    Cited by:

    1. Mortazavi, Amir & Alabdulkarem, Abdullah & Hwang, Yunho & Radermacher, Reinhard, 2016. "Development of a robust refrigerant mixture for liquefaction of highly uncertain natural gas compositions," Energy, Elsevier, vol. 113(C), pages 1042-1050.
    2. Ghorbani, Bahram & Shirmohammadi, Reza & Mehrpooya, Mehdi & Hamedi, Mohammad-Hossein, 2018. "Structural, operational and economic optimization of cryogenic natural gas plant using NSGAII two-objective genetic algorithm," Energy, Elsevier, vol. 159(C), pages 410-428.
    3. Wenyi Liu & Linzhi Liu & Gang Xu & Feifei Liang & Yongping Yang & Weide Zhang & Ying Wu, 2014. "A Novel Hybrid-Fuel Storage System of Compressed Air Energy for China," Energies, MDPI, vol. 7(8), pages 1-23, August.
    4. Wonchala, Jason & Hazledine, Maxwell & Goni Boulama, Kiari, 2014. "Solution procedure and performance evaluation for a water–LiBr absorption refrigeration machine," Energy, Elsevier, vol. 65(C), pages 272-284.
    5. Muhammad Abdul Qyyum & Muhammad Yasin & Alam Nawaz & Tianbiao He & Wahid Ali & Junaid Haider & Kinza Qadeer & Abdul-Sattar Nizami & Konstantinos Moustakas & Moonyong Lee, 2020. "Single-Solution-Based Vortex Search Strategy for Optimal Design of Offshore and Onshore Natural Gas Liquefaction Processes," Energies, MDPI, vol. 13(7), pages 1-22, April.
    6. Son, Heechang & Austbø, Bjørn & Gundersen, Truls & Hwang, Jihyun & Lim, Youngsub, 2022. "Techno-economic versus energy optimization of natural gas liquefaction processes with different heat exchanger technologies," Energy, Elsevier, vol. 245(C).
    7. Sayyaadi, Hoseyn & Mehrabipour, Reza, 2012. "Efficiency enhancement of a gas turbine cycle using an optimized tubular recuperative heat exchanger," Energy, Elsevier, vol. 38(1), pages 362-375.
    8. Zhang, Jinrui & Meerman, Hans & Benders, René & Faaij, André, 2020. "Technical and economic optimization of expander-based small-scale natural gas liquefaction processes with absorption precooling cycle," Energy, Elsevier, vol. 191(C).
    9. Wang, Xucen & Li, Min & Cai, Liuxi & Li, Yun, 2020. "Propane and iso-butane pre-cooled mixed refrigerant liquefaction process for small-scale skid-mounted natural gas liquefaction," Applied Energy, Elsevier, vol. 275(C).
    10. Almeida-Trasvina, Fernando & Smith, Robin, 2023. "Design and optimisation of novel cascade mixed refrigerant cycles for LNG production – Part II: Novel cascade configurations," Energy, Elsevier, vol. 266(C).
    11. Mortazavi, Amir & Alabdulkarem, Abdullah & Hwang, Yunho & Radermacher, Reinhard, 2014. "Novel combined cycle configurations for propane pre-cooled mixed refrigerant (APCI) natural gas liquefaction cycle," Applied Energy, Elsevier, vol. 117(C), pages 76-86.
    12. Popli, Sahil & Rodgers, Peter & Eveloy, Valerie, 2012. "Trigeneration scheme for energy efficiency enhancement in a natural gas processing plant through turbine exhaust gas waste heat utilization," Applied Energy, Elsevier, vol. 93(C), pages 624-636.
    13. Lei Gao & Jiaxin Wang & Maxime Binama & Qian Li & Weihua Cai, 2022. "The Design and Optimization of Natural Gas Liquefaction Processes: A Review," Energies, MDPI, vol. 15(21), pages 1-56, October.
    14. Lee, Jaejun & Son, Heechang & Yu, Taejong & Oh, Juyoung & Park, Min Gyun & Lim, Youngsub, 2023. "Process design of advanced LNG subcooling system combined with a mixed refrigerant cycle," Energy, Elsevier, vol. 278(PA).

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