2017
DOI: 10.1021/acs.iecr.7b03633
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Dynamic Simulation Study for Boil-off Gas Minimization at Liquefied Natural Gas Exporting Terminals

Abstract: The boil-off gas (BOG) generation at LNG (liquefied natural gas) exporting terminals is significant and should be minimized and/or recycled efficiently and effectively. In this work, the study of BOG generation, minimization, and recovery has been performed for a typical LNG plant with C3MR (propane precooled mixed refrigerant) process, storage facility, loading facility, and LNG ship with four moss-type spherical tanks. Plant-wide dynamic simulations are employed to quantify dynamic BOG generations during loa… Show more

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Cited by 11 publications
(7 citation statements)
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“…The typical measure of efficiency in the refrigerant cycle is the COP, which is the ratio of the heat removed to the required power 21. The COP for the refrigeration cycle is calculated using the following equation: trueCOP= Q P …”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The typical measure of efficiency in the refrigerant cycle is the COP, which is the ratio of the heat removed to the required power 21. The COP for the refrigeration cycle is calculated using the following equation: trueCOP= Q P …”
Section: Resultsmentioning
confidence: 99%
“…Heat leakage from the atmosphere and incoming streams to the tank leads to the partial vaporization of LPG and the production of BOG. Consequently, BOG production increases the tank pressure and, if not handled properly, the excess gas should be vented or flared from the tank [5,6]. To prevent wasting LPG and to save valuable energy and raw materials, the BOG produced should be recovered using some recovery methods.…”
Section: Introductionmentioning
confidence: 99%
“…Thus, make-up gas is added to the storage tank to maintain the operating pressure and prevent a vacuum. As the BOG is colder than the ambient temperature, it is able to be used for this purpose, as it will add less heat to the tank than the addition of external other gases (i.e., nitrogen, or a mixture of nitrogen and methane [34].…”
Section: Base Casementioning
confidence: 99%
“…The evaporated LNG is called the boil-off gas (BOG), and its reduction and management are important issues in LNG terminals. Kurle et al 13 use dynamic simulation to quantify the amounts of BOG generated during various operating modes in an LNG plant/ terminal. They propose to subcool LNG after the main cryogenic exchanger to reduce BOG generation and determine the optimum LNG temperature that minimizes the total energy consumption.…”
Section: ■ Terminaling and Storagementioning
confidence: 99%