Optimization methods for flexibility and stability related to the operation of LNG receiving terminals

Changlong Tang, Fan Hu, Xiaoguang Zhou and Yajun Li

Energy, 2022, vol. 250, issue C

Abstract: Liquid natural gas (LNG) receiving terminals use cryogenic LNG to condense the boil-off gas (BOG) generated during the process for safety reasons. However, due to the downstream LNG demand and the actual environmental conditions in operation, the LNG demand and BOG evaporation do not always meet the conditions for complete BOG treatment, so it causes additional energy consumption and environmental pollution. To solve the above problems, this paper develops a mutual coupling of BOG treatment and LNG cold energy recovery process based on the original process and establishes an optimization method considering the variation of operating conditions of the receiving terminal. The proposed method is applied to optimize the installation and operation of new equipment for the coupled process with the aim of maximizing the economic benefits. The results show that the method proposed in this paper can achieve better operational benefits and the coupled process is suitable for a wide range of operating conditions and has good operational benefits.

Keywords: LNG receiving Terminal; Coupling process; Variable conditions modeling and optimization; Operation strategy (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:250:y:2022:i:c:s0360544222005230

DOI: 10.1016/j.energy.2022.123620

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