Granular sludge is a preferable inoculum for the biochemical methane potential assay for two complex substrates

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dc.contributor.authorPosmanik, Roy
dc.contributor.authorKim, Andrew H.
dc.contributor.authorLabatut, Rodrigo A.
dc.contributor.authorUsack, Joseph G.
dc.contributor.authorAngenent, Largus T.
dc.date.accessioned2025-01-23T19:48:26Z
dc.date.available2025-01-23T19:48:26Z
dc.date.issued2020
dc.description.abstractThe biochemical methane potential (BMP) assay is a standard method for characterizing biomethane potential and anaerobic biodegradability organic waste streams. Therefore, the BMP protocol must be standardized to reliably compare these parameters for various substrates. Here, the effect of inoculum selection on biomethane potential was investigated through BMP tests using two different substrates and inocula obtained from four different anaerobic digesters. It was found that inocula in the form of granular sludge yielded overall higher biomethane potential and generally had faster kinetics than suspended biomass. Furthermore, acclimation of inocula to substrate appeared to have little effect on degradation rates, and co-inoculation (with both suspended and granular biomass) did not perform better than single inoculation (e.g., with suspended sludge alone). These results emphasize the role of granular sludge as an preferable inoculum for BMP assay.
dc.fuente.origenWOS
dc.identifier.doi10.1016/j.biortech.2020.123359
dc.identifier.eissn1873-2976
dc.identifier.issn0960-8524
dc.identifier.urihttps://doi.org/10.1016/j.biortech.2020.123359
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/100446
dc.identifier.wosidWOS:000569074800012
dc.language.isoen
dc.revistaBioresource technology
dc.rightsacceso restringido
dc.subjectAnaerobic digestion
dc.subjectBiochemical methane potential
dc.subjectDairy manure
dc.subjectWaste activated sludge
dc.subjectRegression model
dc.subject.ods12 Responsible Consumption and Production
dc.subject.ods06 Clean Water and Sanitation
dc.subject.ods07 Affordable and Clean Energy
dc.subject.odspa12 Producción y consumo responsable
dc.subject.odspa06 Agua limpia y saneamiento
dc.subject.odspa07 Energía asequible y no contaminante
dc.titleGranular sludge is a preferable inoculum for the biochemical methane potential assay for two complex substrates
dc.typeartículo
dc.volumen309
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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