The effect of petroleum hydrocarbons concentration on competition between oil-degrading bacteria and indigenous compost microorganisms in petroleum sludge bioremediation

dc.contributor.authorKoolivand, Ali
dc.contributor.authorAbtahi, Hamid
dc.contributor.authorParhamfar, Maryam
dc.contributor.authorSaeedi, Reza
dc.contributor.authorCoulon, Frederic
dc.contributor.authorKumar, Vinod
dc.contributor.authorVillaseñor, José
dc.contributor.authorSartaj, Majid
dc.contributor.authorNajarian, Niloofar
dc.contributor.authorShahsavari, Maedeh
dc.contributor.authorSeyedmoradi, Paria
dc.contributor.authorRahimi, Leila
dc.contributor.authorBagheri, Fatemeh
dc.date.accessioned2022-03-14T12:33:06Z
dc.date.available2022-03-14T12:33:06Z
dc.date.issued2022-01-17
dc.description.abstractThe influence of the concentration of total petroleum hydrocarbons (TPHs) on competition between isolated oil-degrading bacteria (ODB) and finished compost microorganisms (FCM) was investigated in composting bioreactors over 12 weeks period. First, the batch tests were performed in Bushnell–Haas medium (BHM) to evaluate the biodegradation activities of six native ODB isolated from petroleum sludge (PS). Then, the ODB were added to the composting bioreactors containing 10 and 30 g/kg of TPHs. Based on the BHM results, the highest degradation efficiency of crude oil (1%–3% concentration) were determined to be 72%–75% at pH 7 after 7 days. In the composting bioreactors containing only the ODB, TPHs removal rates were 86%–92% after 12 weeks. Although the lower degradation efficiency of TPHs (73%–89%) in the bioreactors containing both the FCM and ODB indicated a slight competition between them, the ODB were still effective in the presence of the FCM especially at greater concentrations of TPHs. Despite the fact that the addition of finished compost (FC) to the PS changed the microbial composition in the composting bioreactors; the microbial populations exhibited little variation during the process. This study indicated that the isolated ODB, alone or in the presence of the FCM, effectively degraded the PS in the composting process.en_UK
dc.identifier.citationKoolivand A, Abtahi H, Parhamfar M, et al., (2022) The effect of petroleum hydrocarbons concentration on competition between oil-degrading bacteria and indigenous compost microorganisms in petroleum sludge bioremediation, Environmental Technology and Innovation, Volume 26, May 2022, Article number 102319en_UK
dc.identifier.issn2352-1864
dc.identifier.urihttps://doi.org/10.1016/j.eti.2022.102319
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/17653
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectBioremediationen_UK
dc.subjectFinished compost microorganismsen_UK
dc.subjectOil-degrading bacteriaen_UK
dc.subjectPetroleum sludgeen_UK
dc.titleThe effect of petroleum hydrocarbons concentration on competition between oil-degrading bacteria and indigenous compost microorganisms in petroleum sludge bioremediationen_UK
dc.typeArticleen_UK

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