Exergetic and Economic Evaluation of CO2 Liquefaction Processes

The transport of CO2, as a part of the carbon capture and storage chain, has received increased attention in the last decade. This paper aims to evaluate the most promising CO2 liquefaction processes that can be used for port-to-port and port–offshore CO...

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Autores principales:	Feng Chen, Tatiana Morosuk
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	carbon dioxide liquefaction CO<sub>2</sub> ship transportation exergy analysis economic analysis Technology T
Acceso en línea:	https://doaj.org/article/a02dfd78020b4401aa3009f5133663d6
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spelling	oai:doaj.org-article:a02dfd78020b4401aa3009f5133663d62021-11-11T15:57:00ZExergetic and Economic Evaluation of CO<sub>2</sub> Liquefaction Processes10.3390/en142171741996-1073https://doaj.org/article/a02dfd78020b4401aa3009f5133663d62021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/21/7174https://doaj.org/toc/1996-1073The transport of CO<sub>2</sub>, as a part of the carbon capture and storage chain, has received increased attention in the last decade. This paper aims to evaluate the most promising CO<sub>2</sub> liquefaction processes that can be used for port-to-port and port–offshore CO<sub>2</sub> ship transportation. The energetic, exergetic, and economic analyses are applied. The liquefaction pressure has been set to 15 bar (liquefaction temperature −30 °C), which corresponds to the design of the existing CO<sub>2</sub> carriers. The three-stage vapor-compression process has been selected among closed systems (with propane-R290, ammonia-R717, and R134a as the working fluid) and the precooled Linde–Hampson process—as the open system (with R717). The three-stage vapor-compression process R290 shows the lowest energy consumption, and the CO<sub>2</sub> liquefaction cost 21.3 USD/tCO<sub>2</sub>. Although the power consumption of precooled Linde–Hampson process is 3.1% higher than the vapor-compression process with R209, the lowest total capital expenditures are notable. The CO<sub>2</sub> liquefaction cost of precooled Linde–Hampson process is 21.13 USD/tCO<sub>2</sub>. The exergetic efficiency of the three-stage vapor-compression process with R290 is 66.6%, while the precooled Linde–Hampson process is 64.8%.Feng ChenTatiana MorosukMDPI AGarticlecarbon dioxideliquefactionCO<sub>2</sub> ship transportationexergy analysiseconomic analysisTechnologyTENEnergies, Vol 14, Iss 7174, p 7174 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	carbon dioxide liquefaction CO<sub>2</sub> ship transportation exergy analysis economic analysis Technology T
spellingShingle	carbon dioxide liquefaction CO<sub>2</sub> ship transportation exergy analysis economic analysis Technology T Feng Chen Tatiana Morosuk Exergetic and Economic Evaluation of CO<sub>2</sub> Liquefaction Processes
description	The transport of CO<sub>2</sub>, as a part of the carbon capture and storage chain, has received increased attention in the last decade. This paper aims to evaluate the most promising CO<sub>2</sub> liquefaction processes that can be used for port-to-port and port–offshore CO<sub>2</sub> ship transportation. The energetic, exergetic, and economic analyses are applied. The liquefaction pressure has been set to 15 bar (liquefaction temperature −30 °C), which corresponds to the design of the existing CO<sub>2</sub> carriers. The three-stage vapor-compression process has been selected among closed systems (with propane-R290, ammonia-R717, and R134a as the working fluid) and the precooled Linde–Hampson process—as the open system (with R717). The three-stage vapor-compression process R290 shows the lowest energy consumption, and the CO<sub>2</sub> liquefaction cost 21.3 USD/tCO<sub>2</sub>. Although the power consumption of precooled Linde–Hampson process is 3.1% higher than the vapor-compression process with R209, the lowest total capital expenditures are notable. The CO<sub>2</sub> liquefaction cost of precooled Linde–Hampson process is 21.13 USD/tCO<sub>2</sub>. The exergetic efficiency of the three-stage vapor-compression process with R290 is 66.6%, while the precooled Linde–Hampson process is 64.8%.
format	article
author	Feng Chen Tatiana Morosuk
author_facet	Feng Chen Tatiana Morosuk
author_sort	Feng Chen
title	Exergetic and Economic Evaluation of CO<sub>2</sub> Liquefaction Processes
title_short	Exergetic and Economic Evaluation of CO<sub>2</sub> Liquefaction Processes
title_full	Exergetic and Economic Evaluation of CO<sub>2</sub> Liquefaction Processes
title_fullStr	Exergetic and Economic Evaluation of CO<sub>2</sub> Liquefaction Processes
title_full_unstemmed	Exergetic and Economic Evaluation of CO<sub>2</sub> Liquefaction Processes
title_sort	exergetic and economic evaluation of co<sub>2</sub> liquefaction processes
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a02dfd78020b4401aa3009f5133663d6
work_keys_str_mv	AT fengchen exergeticandeconomicevaluationofcosub2subliquefactionprocesses AT tatianamorosuk exergeticandeconomicevaluationofcosub2subliquefactionprocesses
_version_	1718432554558685184

Exergetic and Economic Evaluation of CO<sub>2</sub> Liquefaction Processes

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