NDLI: Optimization and Economic Analysis for Small-Scale Movable LNG Liqtion Process with Leakage Considerations

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Optimization and Economic Analysis for Small-Scale Movable LNG Liqtion Process with Leakage Considerations

Content Provider	MDPI
Author	Lee, Sang Hyun Lim, Dong-Ha Park, Kyungtae
Copyright Year	2020
Description	In this study, exergy and economic analysis were conducted to gain insight on small-scale movable LNG liqtion considering leakage. Optimization and comparison were performed to demonstrate the quantitative results of single mixed refrigerant, dual nitrogen expansion, and the propane pre-cooling self-refrigeration processes. For the optimization, exergy efficiency was used as the objective function; the results showed that exergy efficiencies are 38.85%, 19.96%, and 13.65%, for single mixed refrigerant, dual nitrogen expansion, and propane pre-cooling self-refrigeration, respectively. Further, the cost analysis showed that the product cost of each process is 4002.3 USD/tpa, 5490.2 USD/tpa, and 9608.5 USD/tpa. A sensitivity analysis was conducted to determine parameters that affect exergy and cost. The SMR process is the most competitive in terms of exergy efficiency, product cost, and operability, without considering makeup facilities.
Starting Page	5391
e-ISSN	20763417
DOI	10.3390/app10155391
Journal	Applied Sciences
Issue Number	15
Volume Number	10
Language	English
Publisher	MDPI
Publisher Date	2020-08-04
Access Restriction	Open
Subject Keyword	Applied Sciences Characterization and Testing of Materials Small-scale Movable Liquefied Natural Gas Plant Particle Swarm Optimization Economic Analysis Exergy Analysis Single Mixed Refrigerant Liquefaction Process Nitrogen Expansion Liquefaction Process Propane Pre-cooling Self-refrigeration Process
Content Type	Text
Resource Type	Article

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