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Technologies for production of liquefied biogas for heavy transports: Energy, environmental, and economic analysis
Linköping University, Department of Management and Engineering, Environmental Technology and Management. Linköping University, Faculty of Science & Engineering. (Industrial and urban symbiosis)
Linköping University, Biogas Research Center. Linköping University, Department of Management and Engineering, Energy Systems. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Management and Engineering, Environmental Technology and Management. Linköping University, Faculty of Science & Engineering. (Resurces 2.0)
Linköping University, Department of Management and Engineering, Energy Systems. Linköping University, Faculty of Science & Engineering.
2019 (English)Conference paper, Poster (with or without abstract) (Refereed)
Abstract [en]

The heavy transport sector is facing a growth within technology and infrastructure for use of natural gas. This opens an opportunity for the biogas market to grow as well, especially in the form of liquefied biogas (LBG). This study presents an investigation of the energy balance, environmental impact and economic aspects of current technologies for production of LBG: mixed refrigerant cycle, nitrogen cycle, pressure reduction and cryogenic liquefaction. Calculations are based on a review of recent literature and data from the biogas industry. The results show that mixed refrigerant cycle is the most economic and energy efficient technology for liquefaction of upgraded biogas, followed by nitrogen cycle. The lowest electricity use and environmental impact is achieved if the liquefaction process is preceded by amine scrubber upgrading. Pressure reduction liquefaction is inexpensive and can be an alternative in areas connected to a high-pressure gas grid, but as a method for liquefaction it is not very efficient as only about 10% of the incoming gas is liquefied and the rest remains in its gaseous form. Moreover, addition of propane for distribution in the natural gas grid increases the environmental impact compared to other distribution pathways. The cryogenic technology has a higher energy use than other liquefaction technologies but compensates by also including CO₂ separation, which could make it suitable if there is no existing upgrading facility in place. However, there are technical difficulties to overcome and it is not widely implemented.

Place, publisher, year, edition, pages
2019.
Keywords [en]
Biogas, Liquefaction, Energy balance, Environmental analysis, Economic analysis
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:liu:diva-160215OAI: oai:DiVA.org:liu-160215DiVA, id: diva2:1350399
Conference
Nordic Biogas Conference
Projects
BRC - Biogas Research Center
Funder
Swedish Energy AgencyAvailable from: 2019-09-11 Created: 2019-09-11 Last updated: 2019-09-18

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Gustafsson, MarcusCruz, IgorSvensson, NiclasKarlsson, Magnus

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • Other style
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Language
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Output format
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