Technology Review of Natural Gas Liquefaction Processes

Usama, Muhammad; Sherine, A.; Shuhaimi, M.

doi:10.3923/jas.2011.3541.3546

Cited by 9 publications

(3 citation statements)

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“…The exergetic efficiencies obtained for both process schemes are consistent with literature [8]. The increasing order of efficiency achieved with the end flash systems is also as expected based on [5].…”

Section: Discussionsupporting

confidence: 89%

“…exergy destruction (irreversibility) = exergy source − exergy sink , (5) energetic efficiency = energy sink energy source ×100% , (…”

Section: Theorymentioning

confidence: 99%

“…Several studies have been carried out on liquefaction technologies to enhance opportunities so as to meet the increased demand for LNG. For example, Usama et al [5] carried out a technology review of natural gas liquefaction processes. They reported the effects of tube side design pressure, end flash quantity, temperature approach in main condenser, LPG recovery, compressor efficiency, and liquefaction technology on LNG processes.…”

Section: Introductionmentioning

confidence: 99%

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Archives of Thermodynamics

Akinsipe,

Anozie,

Babatunde

2020

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This paper describes the simulation, exergy analysis and comparison of two commonly applied liquefaction of technologies natural gas, namely: propane precooled mixed refrigerant process (C3MR) and dual mixed refrigerant process (DMR) alongside two modifications of each employing end flash systems. The C3MR and DMR process schemes were simulated using the commercial software to mathematically model chemical processes. These schemes were then analysed using energy and exergy calculations to determine their performances. The exergy efficiency for the C3MR processes without end flash system, with simple end flash system and extended end flash system were evaluated as 29%, 31%, and 33%, respectively, while the exergy efficiency for the DMR processes without end flash system, with simple end flash system, and extended end flash system were evaluated as 26%, 25.5%, and 30%, respectively. The results achieved show that the extended end flash system versions of the schemes are most efficient. Furthermore, the exergy analysis depicted that the major equipment that must be enhanced in order to improve the cycle exergy efficiencies are the compressors, heat exchangers, and coolers.

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Section: Discussionsupporting

confidence: 89%

“…exergy destruction (irreversibility) = exergy source − exergy sink , (5) energetic efficiency = energy sink energy source ×100% , (…”

Section: Theorymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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