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Climate performance of liquefied biomethane with carbon dioxide utilization or storage
Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska fakulteten. (Industrial and urban symbiosis)ORCID-id: 0000-0002-6722-3220
Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska fakulteten. (Industrial and urban symbiosis)ORCID-id: 0000-0003-1563-8851
Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska fakulteten. (Resurces 2.0)ORCID-id: 0000-0002-0731-7460
Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska fakulteten. (Industrial and urban symbiosis)ORCID-id: 0000-0003-0157-6573
2024 (engelsk)Inngår i: Renewable and sustainable energy reviews, ISSN 1364-0321, Vol. 192, artikkel-id 114239Artikkel i tidsskrift (Fagfellevurdert) Published
Hållbar utveckling
Klimatförbättringar
Abstract [en]

In the process of upgrading biogas to biomethane for gas grid injection or use as a vehicle fuel, biogenic carbon dioxide (CO₂) is separated and normally emitted to the atmosphere. Meanwhile, there are a number of ways of utilizing CO₂ to reduce the dependency on fossil carbon sources. This article assesses the climate performance of liquefied biomethane for road transport with different options for utilization or storage of CO₂. The analysis is done from a life cycle perspective, covering the required and avoided processes from biogas production to the end use of biomethane and CO₂. The results show that all of the studied options for CO₂ utilization can improve the climate performance of biomethane, in some cases contributing to negative CO₂ emissions. One of the best options, from a climate impact perspective, is to use the CO₂ internally to produce more methane, although continuous supply of hydrogen from renewable sources can be a challenge. Another option that stands out is concrete curing, where CO₂ can both replace conventional steam curing and be stored for a long time in mineral form. Storing CO₂ in geological formations can also lead to negative CO₂ emissions. However, with such long-term storage solutions, opportunities to recycle biogenic CO₂ are lost, together with the possibility of de-fossilizing processes that require carbon, such as chemical production and horticulture.

sted, utgiver, år, opplag, sider
Elsevier, 2024. Vol. 192, artikkel-id 114239
Emneord [en]
Biogas upgrading, Biomethane, CO₂ utilization, Life cycle assessment, Climate performance
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-199808DOI: 10.1016/j.rser.2023.114239ISI: 001143851800001OAI: oai:DiVA.org:liu-199808DiVA, id: diva2:1821798
Prosjekter
Värdeskapande av koldioxid från biogasproduktion
Forskningsfinansiär
The Kamprad Family Foundation, 20200041
Merknad

Funding: Kamprad Family Foundation [20200041]

Tilgjengelig fra: 2023-12-21 Laget: 2023-12-21 Sist oppdatert: 2024-04-22bibliografisk kontrollert

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