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Information Journal Paper

Title

Evaluation of an Integrated Cryogenic Natural Gas Process with the Aid of Advanced Exergy and Exergoeconomic Analyses

Pages

  17-36

Abstract

 In this study, an integrated structure of the air separation unit, natural gas liquids recovery equipped with nitrogen removal unit is developed. In this regard, advanced exergy and exergoeconomic analyses are used to examine the irreversibility, possible improvements and the cost of the inefficiencies of the process. The exergy analysis presents information on the origin of the irreversibility as well as the amount of irreversibility of each component. The results of advanced exergy analysis show that HX2, HX3, C1, C2, C3, AC1, AC3 equipment have the highest amount of the irreversibility due to endogenous exergy destruction, whereas the highest amount of the irreversibility in the rest of the equipment is because of exogenous exergy destruction. Furthermore, avoidable exergy destruction of equipment is more than the unavoidable exergy destruction in the C1, C2, and C3. This issue shows that with the improvement of the efficiency of the equipment, it is feasible to reduce the irreversibility of these systems. In addition, the results of advanced exergoeconomic analysis show that the priority to improve the performance of the system should be devoted to the HX2, HX3, C1, C3, AC1, AC3 equipment, respectively. The AC1 air cooler and the C3 compressor have the highest amounts of investment cost of avoidable endogenous exergy destruction, respectively. The heat exchanger HX3 and air cooler AC2 and AC3 have the lowest investment cost of avoidable endogenous exergy destruction.

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    APA: Copy

    GHORBANI, BAHRAM, Roshani, Hani, MEHRPOOYA, MEHDI, SHIRMOHAMMADI, REZA, & Razmjoo, Armin. (2020). Evaluation of an Integrated Cryogenic Natural Gas Process with the Aid of Advanced Exergy and Exergoeconomic Analyses. GAS PROCESSING, 8(1), 17-36. SID. https://sid.ir/paper/341801/en

    Vancouver: Copy

    GHORBANI BAHRAM, Roshani Hani, MEHRPOOYA MEHDI, SHIRMOHAMMADI REZA, Razmjoo Armin. Evaluation of an Integrated Cryogenic Natural Gas Process with the Aid of Advanced Exergy and Exergoeconomic Analyses. GAS PROCESSING[Internet]. 2020;8(1):17-36. Available from: https://sid.ir/paper/341801/en

    IEEE: Copy

    BAHRAM GHORBANI, Hani Roshani, MEHDI MEHRPOOYA, REZA SHIRMOHAMMADI, and Armin Razmjoo, “Evaluation of an Integrated Cryogenic Natural Gas Process with the Aid of Advanced Exergy and Exergoeconomic Analyses,” GAS PROCESSING, vol. 8, no. 1, pp. 17–36, 2020, [Online]. Available: https://sid.ir/paper/341801/en

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