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Offshore LNG Production

Salma Al-Aidaroos、Nicholas Bass、Brian P. Downey、Jonathan Ziegler

2009ScholarlyCommons (University of Pennsylvania)Engineering被引 5开放获取

摘要

A natural gas liquefaction plant was designed for offshore production of LNG, using only N2 and CO2 as refrigerants in the cooling cycles to avoid potential hazards of mixed hydrocarbon refrigerants. The process was designed to accommodate 13,500 lb-mole/hr (roughly 1MMmtpa) of raw natural gas feed, and fits within all parameters required in the process specifications. Safety concerns, the start-up process, and other potential considerations are also included.\nThe Net Present Value of the project was found to be $37M at an internal rate of return (IRR) of 18.4%. Further analysis of the assumptions made in these calculations may be required before final project approval is made; however, estimates tend towards conservatism.

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