Bioaugmentation and biostimulation of crude oil contaminated soil: Process parameters influence

In this study, investigation of bioaugmentation and biostimulation process parameters’ influence on biodegradation effectiveness of bacteria isolates in a crude oil polluted soil for 60 days was conducted. A native environment of crude oil polluted site was considered for bacteria isolation. Dilutio...

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Autores principales:	Lekan Taofeek Popoola, Adeyinka Sikiru Yusuff, Abel Adekanmi Adeyi, Oluwagbenga Olawale Omotara
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	Process parameters Bacteria isolates Total petroleum hydrocarbon Crude oil Soil Chemical engineering TP155-156
Acceso en línea:	https://doaj.org/article/309ee4bc94f242b2864d7d0a2d553a27
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spelling	oai:doaj.org-article:309ee4bc94f242b2864d7d0a2d553a272021-11-04T04:26:41ZBioaugmentation and biostimulation of crude oil contaminated soil: Process parameters influence1026-918510.1016/j.sajce.2021.10.003https://doaj.org/article/309ee4bc94f242b2864d7d0a2d553a272022-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1026918521000548https://doaj.org/toc/1026-9185In this study, investigation of bioaugmentation and biostimulation process parameters’ influence on biodegradation effectiveness of bacteria isolates in a crude oil polluted soil for 60 days was conducted. A native environment of crude oil polluted site was considered for bacteria isolation. Dilution plate technique was used for bacteria culturing under laboratory conditions. Central composite design embedded in design expert software was used for the design of experiment and optimum point prediction. The influence of nitrogen:phosphorus nutrient ratio and bacteria concentration at varying crude oil concentration and soil pH on percentage of total petroleum hydrocarbons (TPH) biodegraded was investigated. Biostimulation was highly significant on the percentage of TPH biodegraded as revealed by experimental results. Degradation efficiency of 93.75% was obtained for a soil pH of 10 contaminated with 100 g/Kg of crude oil using 600 cell/g of bacteria supplemented with 8 g/g of nitrogen-phosphorus ratio. The model developed was effective for future prediction with better correlation between experimental and predicted values. A biodegradation efficiency of 77.42% was achievable at the optimum predicted point by central composite design. Hydrocarbons biodegradation in the crude oil contaminated soil via the action of supplemented bacteria isolates was revealed. Conclusively, bacteria isolates from native polluted site could be applied as effective scavenger for hydrocarbons in crude oil contaminated soil.Lekan Taofeek PopoolaAdeyinka Sikiru YusuffAbel Adekanmi AdeyiOluwagbenga Olawale OmotaraElsevierarticleProcess parametersBacteria isolatesTotal petroleum hydrocarbonCrude oilSoilChemical engineeringTP155-156ENSouth African Journal of Chemical Engineering, Vol 39, Iss , Pp 12-18 (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Process parameters Bacteria isolates Total petroleum hydrocarbon Crude oil Soil Chemical engineering TP155-156
spellingShingle	Process parameters Bacteria isolates Total petroleum hydrocarbon Crude oil Soil Chemical engineering TP155-156 Lekan Taofeek Popoola Adeyinka Sikiru Yusuff Abel Adekanmi Adeyi Oluwagbenga Olawale Omotara Bioaugmentation and biostimulation of crude oil contaminated soil: Process parameters influence
description	In this study, investigation of bioaugmentation and biostimulation process parameters’ influence on biodegradation effectiveness of bacteria isolates in a crude oil polluted soil for 60 days was conducted. A native environment of crude oil polluted site was considered for bacteria isolation. Dilution plate technique was used for bacteria culturing under laboratory conditions. Central composite design embedded in design expert software was used for the design of experiment and optimum point prediction. The influence of nitrogen:phosphorus nutrient ratio and bacteria concentration at varying crude oil concentration and soil pH on percentage of total petroleum hydrocarbons (TPH) biodegraded was investigated. Biostimulation was highly significant on the percentage of TPH biodegraded as revealed by experimental results. Degradation efficiency of 93.75% was obtained for a soil pH of 10 contaminated with 100 g/Kg of crude oil using 600 cell/g of bacteria supplemented with 8 g/g of nitrogen-phosphorus ratio. The model developed was effective for future prediction with better correlation between experimental and predicted values. A biodegradation efficiency of 77.42% was achievable at the optimum predicted point by central composite design. Hydrocarbons biodegradation in the crude oil contaminated soil via the action of supplemented bacteria isolates was revealed. Conclusively, bacteria isolates from native polluted site could be applied as effective scavenger for hydrocarbons in crude oil contaminated soil.
format	article
author	Lekan Taofeek Popoola Adeyinka Sikiru Yusuff Abel Adekanmi Adeyi Oluwagbenga Olawale Omotara
author_facet	Lekan Taofeek Popoola Adeyinka Sikiru Yusuff Abel Adekanmi Adeyi Oluwagbenga Olawale Omotara
author_sort	Lekan Taofeek Popoola
title	Bioaugmentation and biostimulation of crude oil contaminated soil: Process parameters influence
title_short	Bioaugmentation and biostimulation of crude oil contaminated soil: Process parameters influence
title_full	Bioaugmentation and biostimulation of crude oil contaminated soil: Process parameters influence
title_fullStr	Bioaugmentation and biostimulation of crude oil contaminated soil: Process parameters influence
title_full_unstemmed	Bioaugmentation and biostimulation of crude oil contaminated soil: Process parameters influence
title_sort	bioaugmentation and biostimulation of crude oil contaminated soil: process parameters influence
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/309ee4bc94f242b2864d7d0a2d553a27
work_keys_str_mv	AT lekantaofeekpopoola bioaugmentationandbiostimulationofcrudeoilcontaminatedsoilprocessparametersinfluence AT adeyinkasikiruyusuff bioaugmentationandbiostimulationofcrudeoilcontaminatedsoilprocessparametersinfluence AT abeladekanmiadeyi bioaugmentationandbiostimulationofcrudeoilcontaminatedsoilprocessparametersinfluence AT oluwagbengaolawaleomotara bioaugmentationandbiostimulationofcrudeoilcontaminatedsoilprocessparametersinfluence
_version_	1718445265488183296

Bioaugmentation and biostimulation of crude oil contaminated soil: Process parameters influence

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