Towards a standardization of biomethane potential tests: a commentary

Inter-laboratory reproducibility of biomethane potential (BMP) is dismal, with differences in BMP values for the same sample exceeding a factor of two in some cases. A large group of BMP researchers directly addressed this problem during a workshop held in Leysin, Switzerland, in June 2015. The work...

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Published inWater science and technology Vol. 83; no. 1; pp. 247 - 250
Main Authors Holliger, Christof, Astals, Sergi, de Laclos, Hélène Fruteau, Hafner, Sasha D., Koch, Konrad, Weinrich, Sören
Format Journal Article
LanguageEnglish
Published England IWA Publishing 01.01.2021
Subjects
Alternative energy sources
Biogas
Data processing
Datasets
Germany
Guidelines
Laboratories
Methane - analysis
Reference Standards
Reproducibility of Results
Software
Standardization
Switzerland
Tests
Workshops
Switzerland
Germany
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Summary:Inter-laboratory reproducibility of biomethane potential (BMP) is dismal, with differences in BMP values for the same sample exceeding a factor of two in some cases. A large group of BMP researchers directly addressed this problem during a workshop held in Leysin, Switzerland, in June 2015. The workshop resulted in a new set of guidelines for BMP tests published in 2016, which is the subject of the present commentary. The work has continued with two international inter-laboratory studies and one additional workshop held in Freising, Germany, in 2018. The dataset generated by the two inter-laboratory studies were used to refine the validation criteria for BMP tests. Based on these new results an update to the original guidelines is proposed here.
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ISSN:0273-1223
1996-9732
DOI:10.2166/wst.2020.569