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On-site and ground-based remote sensing measurements of methane emissions from four biogas plants: A comparison study
DTU Technical University of Denmark, Denmark.
Teknologisk Institut AgroTech, Denmark.
RISE - Research Institutes of Sweden, Built Environment, Energy and Circular Economy.ORCID iD: 0000-0001-6337-6695
Teknologisk Institut AgroTech, Denmark.
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2018 (English)In: Bioresource Technology, ISSN 0960-8524, E-ISSN 1873-2976, Vol. 270, p. 88-95Article in journal (Refereed) Published
Abstract [en]

Methods for quantifying methane (CH4) emissions from biogas plants are needed, in order to ensure that emissions are within acceptable levels and to identify options for emission mitigation. Two emission measuring approaches were used at four biogas plants: an on-site approach, whereby emission sources were identified and subsequently quantified one at a time, and a ground-based remote sensing approach, which was applied to measure total CH4 emissions. The emissions were between 5.5 and 13.5 kg CH4 h−1 from the four plants, measured using ground-based remote sensing. Even though the measurements were performed on the same days at each facility, the sum of on-site emission rates varied between the remote sensing measurements (up to ∼100%). Several factors may have caused this difference: emission sources not measured using an on-site approach and short-time emission variation. On-site measurements showed that the majority of the emissions often occurred from just a few sources.

Place, publisher, year, edition, pages
2018. Vol. 270, p. 88-95
Keywords [en]
Fugitive methane emissions, Tracer gas, Greenhouse gases, Anaerobic digestion
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:ri:diva-35150DOI: 10.1016/j.biortech.2018.08.080Scopus ID: 2-s2.0-85053059153OAI: oai:DiVA.org:ri-35150DiVA, id: diva2:1247125
Available from: 2018-09-11 Created: 2018-09-11 Last updated: 2019-01-10Bibliographically approved

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Holmgren, Magnus Andreas

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