Navegando por Autor "Costa, J. G. da"

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Selection, isolation and growth kinetic study of a bacterial consortium obtained from the potengi mangrove in the presence of crude
(Brazilian Journal of Petroleum and Gas, 2011) Santos, Everaldo Silvino dos; Costa, C. C.; Costa, J. G. da; Vaz, Michelle Rossana Ferreira; Macedo, Gorete Ribeiro de
The selection, isolation and kinetic study of a bacterial consortium obtained from a sample of soil from the Potengi mangrove, located in the city of Natal, Rio Grande do Norte, Brazil, has been carried out using the enrichment culture technique to observe aspects such as the evaluation of main growth parameters. The kinetic study used a rotary incubator shaker at 150rpm, under 30°C. The bacterial consortium isolated from the estuary of the Potengi River showed a good acclimation in minimum mineral medium with 1% (v/v) of oil. The cell concentration reached 2.55 g/L at 16h of cultivation and surface tension dropped. The maximum productivity in cells obtained was of 0.3 g/L.h, the specific velocity of growth was of 0.075h-1, with a generation time (tg) of 9.24h. This study seeks to demonstrate that the consortium can be used as inoculants in biological treatments, capable of reducing the waste’s degradation time

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