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Debottlenecking of condensate stabilization unit in a gas refinery

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  • Tahouni, Nassim
  • Khoshchehreh, Rezvaneh
  • Panjeshahi, M. Hassan

Abstract

The increase in throughput or reduction in the operational costs is the common example of change in production criteria in retrofit projects. In this study, the condensate stabilization unit of a gas refinery, which is one of the most energy consuming units in natural gas refineries, is considered for analysis and retrofitting study. This unit comprises of a two-stage compressor and a side-reboiler associated with the stabilization column that uses HP steam as hot utility. It is shown that by applying the optimum pressure drops method for debottlenecking of this unit, after 20% increase in throughput, utility consumption can be maintained at existing level, if 1554 m2 of additional heat transfer area is installed.

Suggested Citation

  • Tahouni, Nassim & Khoshchehreh, Rezvaneh & Panjeshahi, M. Hassan, 2014. "Debottlenecking of condensate stabilization unit in a gas refinery," Energy, Elsevier, vol. 77(C), pages 742-751.
    • Handle: RePEc:eee:energy:v:77:y:2014:i:c:p:742-751
    DOI: 10.1016/j.energy.2014.09.047
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    References listed on IDEAS

    as
    1. Soltani, Hadi & Shafiei, Sirous, 2011. "Heat exchanger networks retrofit with considering pressure drop by coupling genetic algorithm with LP (linear programming) and ILP (integer linear programming) methods," Energy, Elsevier, vol. 36(5), pages 2381-2391.
    2. Jiang, Ning & Shelley, Jacob David & Doyle, Steve & Smith, Robin, 2014. "Heat exchanger network retrofit with a fixed network structure," Applied Energy, Elsevier, vol. 127(C), pages 25-33.
    3. Pan, Ming & Jamaliniya, Sara & Smith, Robin & Bulatov, Igor & Gough, Martin & Higley, Tom & Droegemueller, Peter, 2013. "New insights to implement heat transfer intensification for shell and tube heat exchangers," Energy, Elsevier, vol. 57(C), pages 208-221.
    4. Pan, Ming & Smith, Robin & Bulatov, Igor, 2013. "A novel optimization approach of improving energy recovery in retrofitting heat exchanger network with exchanger details," Energy, Elsevier, vol. 57(C), pages 188-200.
    5. Sreepathi, Bhargava Krishna & Rangaiah, G.P., 2014. "Improved heat exchanger network retrofitting using exchanger reassignment strategies and multi-objective optimization," Energy, Elsevier, vol. 67(C), pages 584-594.
    6. Panjeshahi, Mohammad Hassan & Tahouni, Nassim, 2008. "Pressure drop optimisation in debottlenecking of heat exchanger networks," Energy, Elsevier, vol. 33(6), pages 942-951.
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    Cited by:

    1. Faramarzi, Simin & Tahouni, Nassim & Panjeshahi, M. Hassan, 2022. "Pressure drop optimization in Total Site targeting - A more realistic approach to energy- capital trade-off," Energy, Elsevier, vol. 251(C).
    2. Allahyarzadeh-Bidgoli, Ali & Dezan, Daniel Jonas & Salviano, Leandro Oliveira & de Oliveira Junior, Silvio & Yanagihara, Jurandir Itizo, 2019. "FPSO fuel consumption and hydrocarbon liquids recovery optimization over the lifetime of a deep-water oil field," Energy, Elsevier, vol. 181(C), pages 927-942.

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