Water Science & Technology· 2016Q2
Towards a standardization of biomethane potential tests
- 997citations
- Q2SCImago
- 2016year
Short summary
A global workshop established consensus on mandatory elements for biomethane potential (BMP) tests, including replicates, controls, duration criteria, and calculation methods, to reduce inter-laboratory variability.
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Key points
- A global consensus was reached on mandatory elements for standardizing biomethane potential (BMP) tests.
- Standardization includes defining the minimum number of replicates, requiring blank and positive control assays, and setting criteria for test duration.
- Compulsory elements for BMP test validation also cover calculation methods and criteria for rejecting invalid tests.
- Recommendations are provided on factors influencing BMP outcomes, such as inoculum characteristics, substrate preparation, and test setup.
AI-generated from the title and abstract; the full text is not read.
Abstract
Production of biogas from different organic materials is a most interesting source of renewable energy. The biomethane potential (BMP) of these materials has to be determined to get insight in design parameters for anaerobic digesters. Although several norms and guidelines for BMP tests exist, inter-laboratory tests regularly show high variability of BMPs for the same substrate. A workshop was held in June 2015, in Leysin, Switzerland, with over 40 attendees from 30 laboratories around the world, to agree on common solutions to the conundrum of inconsistent BMP test results. This paper presents the consensus of the intense roundtable discussions and cross-comparison of methodologies used in respective laboratories. Compulsory elements for the validation of BMP results were defined. They include the minimal number of replicates, the request to carry out blank and positive control assays, a criterion for the test duration, details on BMP calculation, and last but not least criteria for rejection of the BMP tests. Finally, recommendations on items that strongly influence the outcome of BMP tests such as inoculum characteristics, substrate preparation, test setup, and data analysis are presented to increase the probability of obtaining validated and reproducible results.
The authors' abstract, as published at the source. Water Science & Technology, 2016 · DOI ↗
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