Factors controlling headspace pressure in a manual manometric BMP method can be used to produce a methane output comparable to AMPTS

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dc.check.date2019-04-26
dc.check.infoAccess to this article is restricted until 24 months after publication by request of the publisher.en
dc.contributor.authorHimanshu, Himanshu
dc.contributor.authorVoelklein, Markus A.
dc.contributor.authorMurphy, Jerry D.
dc.contributor.authorGrant, J.
dc.contributor.authorO'Kiely, Padraig
dc.contributor.funderSeventh Framework Programmeen
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2017-08-28T08:52:14Z
dc.date.available2017-08-28T08:52:14Z
dc.date.issued2017-04-26
dc.date.updated2017-08-28T08:39:02Z
dc.description.abstractThe manual manometric biochemical methane potential (mBMP) test uses the increase in pressure to calculate the gas produced. This gas production may be affected by the headspace volume in the incubation bottle and by the overhead pressure measurement and release (OHPMR) frequency. The biogas and methane yields of cellulose, barley, silage and slurry were compared with three incubation bottle headspace volumes (50, 90 and 180ml; constant 70ml total medium) and four OHPMR frequencies (daily, each third day, weekly and solely at the end of experiment). The methane yields of barley, silage and slurry were compared with those from an automated volumetric method (AMPTS). Headspace volume and OHPMR frequency effects on biogas yield were mediated mainly through headspace pressure, with the latter having a negative effect on the biogas yield measured and relatively little effect on methane yield. Two mBMP treatments produced methane yields equivalent to AMPTS.en
dc.description.sponsorshipScience Foundation Ireland (MaREI Centre Grant No. 12/RC/2302)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationHimanshu, H., Voelklein, M. A., Murphy, J. D., Grant, J. and O'Kiely, P. (2017) ‘Factors controlling headspace pressure in a manual manometric BMP method can be used to produce a methane output comparable to AMPTS’, Bioresource Technology, 238, pp. 633-642. doi:10.1016/j.biortech.2017.04.088en
dc.identifier.doi10.1016/j.biortech.2017.04.088
dc.identifier.endpage642en
dc.identifier.issn0960-8524
dc.identifier.journaltitleBioresource Technologyen
dc.identifier.startpage633en
dc.identifier.urihttps://hdl.handle.net/10468/4549
dc.identifier.volume238en
dc.language.isoenen
dc.publisherElsevier Ltden
dc.relation.projectinfo:eu-repo/grantAgreement/EC/FP7::SP3::PEOPLE/316838/EU/Advanced Technologies for Biogas Efficiency Sustainability andTransport/ATBESTen
dc.rights© 2017, Elsevier Ltd. All rights reserved. This manuscript version is made available under the CC-BY-NC-ND 4.0 licenseen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectAnaerobic digestionen
dc.subjectBiogasen
dc.subjectHeadspace volumeen
dc.subjectMethaneen
dc.subjectPressure release frequencyen
dc.titleFactors controlling headspace pressure in a manual manometric BMP method can be used to produce a methane output comparable to AMPTSen
dc.typeArticle (peer-reviewed)en
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