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Biodegradation of stored jet fuel by a Nocardia sp. isolated from contaminated soil BABT
Gomes,Edelvio de Barros; Soriano,Adriana Ururahy; Miranda,Rita de Cássia Mendonça de; Sousa,Maria de Fátima Vieira de Queiroz; Pereira Jr.,Nei.
The aim of this study was to investigate the potential of degradation of an autochthonous bacterial strain, isolated from petroleum derivatives contaminated soil samples against jet fuel hydrocarbons. The autochthonous bacterial strain was characterized as Nocardia sp. Evaluation of their degrading abilities was carried out by presumptive assays as redox indicator test and by observations of surface tension decreases in aqueous medium. Degradation of jet fuel hydrocarbons was evaluated by chromatographic methods. Experiments were performed in flasks at two biostimulation rates. A bacterial strain of Pseudomonas aeruginosa UFPEDA 39 was utilized as a reference microorganism. The bacterial strain, identified as Nocardia sp, demonstrate high ability to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodegradation; Nocardia; Jet fuel.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000500027
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Biodegradation of diesel oil by yeasts isolated from the vicinity of suape port in the state of Pernambuco - Brazil BABT
Miranda,Rita de Cássia; Souza,Cynthia Silva de; Gomes,Edelvio de Barros; Lovaglio,Roberta Barros; Lopes,Carlos Edison; Sousa,Maria de Fátima Vieira de Queiroz.
The aim of this work was to investigate the potential of the diesel oil degrading yeasts to use them in bioremediation of areas contaminated by this pollutant. The cultures, identified as Rhodotorula aurantiaca UFPEDA 845 and Candida ernobii UFPEDA 862, were selected at the initial stage. In the course of the biodegradation assays, C. ernobii degraded tetradecane, 5 methyl-octane and octadecane completely and decane (60.8%) and nonane (21.4%) partially whilst R. aurantiaca presented degradation percentages of 93% for decane, 38.4% for nonane and 22.9% for dodecane.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodegradation; Yeasts; Diesel oil.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000100018
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