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Performance enhancement of propane pre-cooled mixed refrigerant LNG plant

Author

Listed:
  • Mortazavi, A.
  • Somers, C.
  • Hwang, Y.
  • Radermacher, R.
  • Rodgers, P.
  • Al-Hashimi, S.

Abstract

Liquefied Natural Gas (LNG) and chemical processing are energy-intensive facilities, such that any enhancement of their efficiency will result in abundant reduction of energy consumption and green house gas emissions. To enhance LNG plant energy efficiency, the potential of various options for improving liquefaction cycle efficiency is investigated in this study. After developing models for the LNG process using ASPEN software, four expansion loss recovery options are simulated. The simulation results show that the compressor power reduction, expansion work recovery, and LNG production increase can be achieved as much as 2.68MW, 3.82MW, and 1.24%, respectively, by replacing conventional expansion processes with expanders. By implementing all of the enhancements, the power consumption per unit mass of LNG could be reduced by 7.07% and 3.68%, with and without considering deduction of the recovered power from the total required power, respectively. Therefore, the expansion work recovery is an important option to be implemented in LNG plants.

Suggested Citation

  • Mortazavi, A. & Somers, C. & Hwang, Y. & Radermacher, R. & Rodgers, P. & Al-Hashimi, S., 2012. "Performance enhancement of propane pre-cooled mixed refrigerant LNG plant," Applied Energy, Elsevier, vol. 93(C), pages 125-131.
    • Handle: RePEc:eee:appene:v:93:y:2012:i:c:p:125-131
    DOI: 10.1016/j.apenergy.2011.05.009
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    Cited by:

    1. Xiong, Xiaojun & Lin, Wensheng & Gu, Anzhong, 2015. "Integration of CO2 cryogenic removal with a natural gas pressurized liquefaction process using gas expansion refrigeration," Energy, Elsevier, vol. 93(P1), pages 1-9.
    2. 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.
    3. Vladimír Hönig & Petr Prochazka & Michal Obergruber & Luboš Smutka & Viera Kučerová, 2019. "Economic and Technological Analysis of Commercial LNG Production in the EU," Energies, MDPI, vol. 12(8), pages 1-17, April.
    4. Khan, Mohd Shariq & Lee, Sanggyu & Rangaiah, G.P. & Lee, Moonyong, 2013. "Knowledge based decision making method for the selection of mixed refrigerant systems for energy efficient LNG processes," Applied Energy, Elsevier, vol. 111(C), pages 1018-1031.
    5. Ghorbani, Bahram & Mehrpooya, Mehdi & Ghasemzadeh, Hossein, 2018. "Investigation of a hybrid water desalination, oxy-fuel power generation and CO2 liquefaction process," Energy, Elsevier, vol. 158(C), pages 1105-1119.
    6. Nguyen, Tuong-Van & Elmegaard, Brian, 2016. "Assessment of thermodynamic models for the design, analysis and optimisation of gas liquefaction systems," Applied Energy, Elsevier, vol. 183(C), pages 43-60.
    7. 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).
    8. Sanavandi, Hamid & Mafi, Mostafa & Ziabasharhagh, Masoud, 2019. "Normalized sensitivity analysis of LNG processes - Case studies: Cascade and single mixed refrigerant systems," Energy, Elsevier, vol. 188(C).
    9. Jahromi, Farid Sadeghian & Beheshti, Masoud & Rajabi, Razieh Fereydon, 2018. "Comparison between differential evolution algorithms and response surface methodology in ethylene plant optimization based on an extended combined energy - exergy analysis," Energy, Elsevier, vol. 164(C), pages 1114-1134.
    10. He, Tianbiao & Ju, Yonglin, 2015. "Optimal synthesis of expansion liquefaction cycle for distributed-scale LNG (liquefied natural gas) plant," Energy, Elsevier, vol. 88(C), pages 268-280.
    11. He, Tianbiao & Ju, Yonglin, 2016. "Dynamic simulation of mixed refrigerant process for small-scale LNG plant in skid mount packages," Energy, Elsevier, vol. 97(C), pages 350-358.
    12. He, Tianbiao & Mao, Ning & Liu, Zuming & Qyyum, Muhammad Abdul & Lee, Moonyong & Pravez, Ashak Mahmud, 2020. "Impact of mixed refrigerant selection on energy and exergy performance of natural gas liquefaction processes," Energy, Elsevier, vol. 199(C).
    13. 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).
    14. 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.
    15. He, Tianbiao & Ju, Yonglin, 2014. "A novel conceptual design of parallel nitrogen expansion liquefaction process for small-scale LNG (liquefied natural gas) plant in skid-mount packages," Energy, Elsevier, vol. 75(C), pages 349-359.
    16. Tak, Kyungjae & Choi, Jiwon & Ryu, Jun-Hyung & Moon, Il, 2020. "Sensitivity analysis of effects of design parameters and decision variables on optimization of natural gas liquefaction process," Energy, Elsevier, vol. 206(C).
    17. 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.
    18. Qyyum, Muhammad Abdul & Ali, Wahid & Long, Nguyen Van Duc & Khan, Mohd Shariq & Lee, Moonyong, 2018. "Energy efficiency enhancement of a single mixed refrigerant LNG process using a novel hydraulic turbine," Energy, Elsevier, vol. 144(C), pages 968-976.
    19. Ancona, M.A. & Bianchi, M. & Branchini, L. & De Pascale, A. & Melino, F. & Mormile, M. & Palella, M. & Scarponi, L.B., 2018. "Investigation on small-scale low pressure LNG production process," Applied Energy, Elsevier, vol. 227(C), pages 672-685.

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