Biodegradation of oily waste sludge using vermiremediation and composting process bioaugmentated with isolated hydrocarbon-degrading bacteria: performance and ecotoxicity assessment

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dc.contributor.authorAlinoori, Maral
dc.contributor.authorSaeedi, Reza
dc.contributor.authorCoulon, Frederic
dc.contributor.authorVillaseñor, José
dc.contributor.authorGoodini, Kazem
dc.contributor.authorGhamari, Farhad
dc.contributor.authorHesampoor, Faezeh
dc.contributor.authorAsghari, Fatemeh
dc.contributor.authorSartaj, Majid
dc.contributor.authorKoolivand, Ali
dc.date.accessioned2024-08-28T13:46:26Z
dc.date.available2024-08-28T13:46:26Z
dc.date.freetoread2025-08-25
dc.date.issued2024-12-01
dc.date.pubOnline2024-08-24
dc.description.abstractDegradation of petroleum hydrocarbons (PHs) contents of oily waste sludge (OWS) is necessary in order to prevent the related environmental pollution. The present study aimed to investigate the degradation of total petroleum hydrocarbons (TPHs) from OWS using bioaugmentated composting (BC) with hydrocarbon-degrading bacterial consortium (HDBC) as pre-treatment followed by vermicomposting (VC) by Eisenia fetida. After isolating two indigenous bacterial strains from OWS, the ability of their consortium in degradation of crude oil was tested in Bushnell-Haas medium (BHM). Then, biodegradation of OWS was measured in the VC alone, BC alone, simultaneous BC and VC (BCVC), and BC followed by VC (BCFVC) containing high levels (30 g/kg) of TPHs. Toxicity tests including the mortality of mature earthworms and the numbers of juveniles were conducted at the TPHs of 0–40 g/kg. The obtained results indicated that the HDBC removed 18–64 % of TPHs of crude oil (1–5 %) in BHM after 7 days of incubation. After a period of 12 weeks, the removal rates of TPHs in the VC, BC, BCVC, and BCFVC experiments were 23.7, 79.5, 85.2, and 91.8 %, respectively, verifying the efficacy of simultaneous application of HDBC and worms in bioremediation of OWS. The TPHs contents of OWS exhibited toxic effects on E. fetida at some concentrations and the median lethal concentration (LC50) of TPHs was computed to be 14.5 g/kg after 28 days. This study demonstrated the effectiveness of composting bioaugmentated with HDBC as a pre-treatment step followed by vermicomposting in bioremediation of OWS.
dc.description.journalNameEnvironmental Nanotechnology, Monitoring & Management
dc.description.sponsorshipAuthors are thankful to Arak University of Medical Sciences for funding and supporting this research [Grant Number 3099].
dc.identifier.citationAlinoori M, Saeedi R, Coulon F, et al., (2024) Biodegradation of oily waste sludge using vermiremediation and composting process bioaugmentated with isolated hydrocarbon-degrading bacteria: performance and ecotoxicity assessment. Environmental Nanotechnology, Monitoring & Management, Volume 22, December 2024, Article number 100992
dc.identifier.elementsID551778
dc.identifier.issn2215-1532
dc.identifier.paperNo100992
dc.identifier.urihttps://doi.org/10.1016/j.enmm.2024.100992
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/22855
dc.languageEnglish
dc.language.isoen
dc.publisherElsevier BV
dc.publisher.urihttps://www.sciencedirect.com/science/article/pii/S2215153224000801?via%3Dihub
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject4103 Environmental Biotechnology
dc.subject41 Environmental Sciences
dc.subject4105 Pollution and Contamination
dc.subject4011 Environmental engineering
dc.subject4103 Environmental biotechnology
dc.subject4105 Pollution and contamination
dc.titleBiodegradation of oily waste sludge using vermiremediation and composting process bioaugmentated with isolated hydrocarbon-degrading bacteria: performance and ecotoxicity assessment
dc.typeArticle
dcterms.dateAccepted2024-08-02

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