MINLP Model for Operational Optimization of LNG Terminals

Ye, Zhencheng; Xiaoyan, MO; Zhao, Liang

doi:10.3390/pr9040599

Cited by 16 publications

(8 citation statements)

References 44 publications

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“…The comprehensiveness level of services C s at the transshipment terminal is assessed by comparing a cardinality of a set of services ordered by a customer (Equation ( 9)) with a cardinality of a set of services available at a certain terminal (Equation ( 10))-this comparison is given here as Equation (11).…”

Section: Calculation Of the Level Of Comprehensiveness Of Servicementioning

confidence: 99%

“…Various researchers have investigated sustainable energy issues and have discovered methods for reducing energy consumption. For example, Ye et al [11] suggested that liquefied natural gas import terminals can reduce energy consumption by cold energy recovery of the gas or a boil-off gas handling process. Energy reduction led Alzahrani et al [12] to review methods for the decarbonization of seaports (seaports are infrastructure facilities that conduct transshipment processes as well), which also can lead to a reduction in energy waste.…”

Section: Introductionmentioning

confidence: 99%

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The Complexity of Logistics Services at Transshipment Terminals

Filina-Dawidowicz

Kostrzewski

2022

Energies

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Transshipment is the process of off-loading an intermodal loading unit (for example, different types of containers, semitrailers, swap-bodies, and so on) from one means of transport (for example, a vessel, a freight railcar, etc.) and loading it onto another. Such a process, as well as other logistics services related to loading units, may take place at a transshipment terminal, which is the intermediate node added to an intermodal transport network when combining two or more liner services that facilitate freight transport. Growing customer requirements affect transshipment terminal operations and contribute to the development of comprehensive logistics services. Terminal clients expect the delivery of complex services that often pose serious challenges to terminals providing these services. The specific decision-making tools are essential for facilitating the shaping of terminals’ complex service offerings. In this study, we investigated the issues connected to the complexity of logistics services offered by transshipment terminals. The aim was to develop a decision-making approach to assess the complexity of logistics services offered by these terminals. A procedure for the formulation of complex and comprehensive service sets at transshipment terminals, which includes sustainable energy and energy efficiency issues, was proposed. The approach for assessing the complexity of services at terminals handling intermodal loading units was developed, and an appropriate mathematical model was applied. Consequently, indexes of the efficiency and comprehensiveness levels of ordered services in a terminal were proposed. The ranking of decision-making criteria influencing the shaping of complex service offerings was created based on the results of a questionnaire survey distributed among the managerial representatives of terminals located in Poland. The data obtained with the use of a questionnaire survey allowed us to verify the proposed approach. The research results may be useful for the management of transshipment terminals while making decisions on the creation of comprehensive services offered to their clientele.

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Section: Calculation Of the Level Of Comprehensiveness Of Servicementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Complexity of Logistics Services at Transshipment Terminals

Filina-Dawidowicz

Kostrzewski

2022

Energies

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“…Being liquefied, natural gas (LNG) is 600 times smaller than the gaseous state of N.G., LNG becomes especially attractive if obtained at a competitive cost. The authors of this article, Liang Zhao et al [8], show that modeling and optimizing the LNG terminals may also reduce energy consumption and GHG emissions. In this work, the authors propose an operational optimization model of the LNG terminal to minimize the energy consumption of boil-off gas (BOG) compressors and low pressure (L.P.) pumps.…”

Section: Original Researchmentioning

confidence: 99%

Expanding the Horizons of Manufacturing, towards Wide Integration, Smart System, and Tools

et al. 2022

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This research topic aims at enterprise-wide modeling and optimization (EWMO) through the development and application of integrated modeling, simulation and optimization methodologies, and computer-aided tools for reliable and sustainable improvement opportunities within the entire manufacturing network (raw materials, production plants, distribution, retailers, and customers) and its components [...]

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“…In the storage process of the LNG, stratification and rollover are the main factors causing instability in LNG storage tanks [28,29]. The LNG surface will continuously evaporate due to heat leakage in the storage tank, thus changing its original component, density, and temperature.…”

Section: Introductionmentioning

confidence: 99%

A Comprehensive Review of Stratification and Rollover Behavior of Liquefied Natural Gas in Storage Tanks

Huang

Fang

et al. 2022

Processes

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Liquefied natural gas (LNG), as cleaner transitional energy than coal, is becoming increasingly prominent in the energy structure of various countries based on their low-carbon background, and its demand has grown rapidly worldwide. Storage tanks are the most commonly used LNG storage facilities. Owing to a variety of internal composition and external environmental factors, the instability phenomenon of LNG in the tanks may occur during storage, leading to potential safety risks. An in-depth understanding of the stratification and rollover behavior of LNG is therefore required to ensure and promote efficient utilization and stable storage of LNG. This paper provides a comprehensive review of the current state of LNG stratification and rollover behavior. The factors for causing LNG stratification and rollover behavior in the storage tanks are summarized, methods for characterizing stratification and rollover behavior are discussed, and measures for inhibiting the instability phenomenon of LNG in the tanks are highlighted. Future researchers should conduct further work in enriching the factors affecting the stratification and rollover behavior, improving characterization methods, and developing inhibition measures to ensure the safe and stable storage of LNG.

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MINLP Model for Operational Optimization of LNG Terminals

Cited by 16 publications

References 44 publications

The Complexity of Logistics Services at Transshipment Terminals

The Complexity of Logistics Services at Transshipment Terminals

Expanding the Horizons of Manufacturing, towards Wide Integration, Smart System, and Tools

A Comprehensive Review of Stratification and Rollover Behavior of Liquefied Natural Gas in Storage Tanks

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