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Integrating concentrating PVs in biogas upgrading
Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, China.
Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, China.
Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing, China.
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, Framtidens energi. KTH, Sweden.ORCID-id: 0000-0002-1351-9245
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2018 (Engelska)Ingår i: Energy Procedia, Elsevier Ltd , 2018, s. 598-603Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Biogas produced from anaerobic digestion processes has been considered as an important alternative to natural gas and plays a key role in the emerging market for renewable energy. By removing CO2, biogas can be upgraded to vehicle fuel. Chemical absorption is one of the widely used upgrading technologies, which advantages include high purity and low loss of biomethane. However, chemical absorption usually suffers from the high consumption of thermal energy, which is required by the regeneration of the solvent. Aiming at achieving a more sustainable and efficient biomethane production, this work proposed a novel system, which integrate concentrating photovoltaic/thermal hybrid (C-PV/T) in the upgrading of biogas. Due to the ability to produce electricity and heat simultaneously and efficiently, C-PV/T can provide the demands of both the electricity and heat. By doing dynamic simulation of the energy production of C-PV/T, the technical feasibility of such a system is analyzed. Based on the design to meet the heat demand of solvent regeneration, without energy storage, the produced heat can cover 17% of the heat demand of the solvent regeneration, but 51.1% of the electricity demand; meanwhile, 140.3 MWh excess electricity can be sold for one year.

Ort, förlag, år, upplaga, sidor
Elsevier Ltd , 2018. s. 598-603
Nyckelord [en]
biogas upgrading, biomethane, chemical absorption, Concentrating photovoltaic/thermal hybrid, solvent regeneration, Anaerobic digestion, Electric energy storage, Fuels, Solvents, Concentrating photovoltaic, Solvent regenerations, Biogas
Nationell ämneskategori
Energiteknik
Identifikatorer
URN: urn:nbn:se:mdh:diva-41447DOI: 10.1016/j.egypro.2018.04.089ISI: 000450514200096Scopus ID: 2-s2.0-85056518433OAI: oai:DiVA.org:mdh-41447DiVA, id: diva2:1266724
Konferens
2017 Applied Energy Symposium and Forum, REM 2017, 18 October 2017 through 20 October 2017
Tillgänglig från: 2018-11-29 Skapad: 2018-11-29 Senast uppdaterad: 2018-12-06Bibliografiskt granskad

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