Enhanced Degradation of Petroleum Hydrocarbons in Corn-Steep-Liquor-Treated Soil Microcosm

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dc.contributor.authorObayori, Oluwafemi S.
dc.contributor.authorSalam, Lateef B.
dc.contributor.authorAnifowoshe, Wusamot T.
dc.contributor.authorOdunewu, Zainab M.
dc.contributor.authorAmosu, Odunayo E.
dc.contributor.authorOfulue, Bukola E.
dc.date.accessioned2021-09-10T11:45:09Z
dc.date.available2021-09-10T11:45:09Z
dc.date.issued2015-06
dc.descriptionStaff Publicationen_US
dc.description.abstractThe efficiency of corn steep liquor (CSL) as a potential stimulant for remediation of hydrocarbon-contaminated soil was evaluated in soil microcosms. Chronically polluted soil samples treated with CSL, water, and un untreated control were compared over a period of 42 days. There were remarkable changes in the physicochemical status of the soil in the CSL-treated set-up with noticeable utilization of essential nutrients such as nitrogen, phosphorus, and potassium. Percentage hydrocarbon utilizers showed a concomitant increase with hydrocarbon utilization in CSL-treated (0.05–0.16%) and water-treated (0.02–0.12%) set-ups, while no significant changes occurred in the untreated control. Gas chromatographic fingerprints showed complete disappearance of the lower-fraction alkanes C7, C8, C9, and C11 within 21 days, as well as some higher fractions, significantly C16 and C29, in the CSL-treated set-up. In the CSL-treated set-up, 77.9% of hydrocarbon was degraded, while the corresponding values for the water-treated and untreated control were 40.55 and 30.6%, respectively. The percentage aliphatic components degraded differed significantly in the CSL-treated, water-treated, and untreated set-ups. The n- C17/pristane and n-C18/phytane ratios in the CSL-treated set-up were 1.298 and 1.153, respectively, on day 0, but at the end of the treatability period, the values had dropped drastically to 0.182 and 0.585, respectively. The results of this study show that corn steep liquor is a potential material for bioremediation of hydrocarbonpolluted sites.en_US
dc.identifier.citationOluwafemi S. Obayori, Lateef B. Salam, Wusamot T. Anifowoshe, Zainab M. Odunewu, Odunayo E. Amosu & Bukola E. Ofulue (2015) Enhanced Degradation of Petroleum Hydrocarbons in Corn-Steep-Liquor-Treated Soil Microcosm, Soil and Sediment Contamination: An International Journal, 24:7, 731-743, DOI: 10.1080/15320383.2015.1020409en_US
dc.identifier.urihttp://dx.doi.org/10.1080/15320383.2015.1020409
dc.identifier.urihttp://repository.elizadeuniversity.edu.ng/handle/20.500.12398/1229
dc.language.isoenen_US
dc.publisherTaylor and Francis: Soil and Sediment Contamination: An International Journalen_US
dc.subjectBiodegradation,en_US
dc.subjectbioremediation,en_US
dc.subjectpetroleum,en_US
dc.subjectcorn steep liquoren_US
dc.titleEnhanced Degradation of Petroleum Hydrocarbons in Corn-Steep-Liquor-Treated Soil Microcosmen_US
dc.typeArticleen_US
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