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Provedor de dados:  BABT
País:  Brazil
Título:  Investigation about the efficiency of the bioaugmentation technique when applied to diesel oil contaminated soils
Autores:  Mariano,Adriano Pinto
Angelis,Dejanira de Franceschi de
Pirôllo,Maria Paula Santos
Contiero,Jonas
Bonotto,Daniel Marcos
Data:  2009-10-01
Ano:  2009
Palavras-chave:  Bioremediation
Bioaugmentation
Soil
Diesel oil
Service station
Resumo:  This work investigated the efficiency of the bioaugmentation technique when applied to diesel oil contaminated soils collected at three service stations. Batch biodegradation experiments were carried out in Bartha biometer flasks (250 mL) used to measure the microbial CO2 production. Biodegradation efficiency was also measured by quantifying the concentration of hydrocarbons. In addition to the biodegradation experiments, the capability of the studied cultures and the native microorganisms to biodegrade the diesel oil purchased from a local service station, was verified using a technique based on the redox indicator 2,6 -dichlorophenol indophenol (DCPIP). Results obtained with this test showed that the inocula used in the biodegradation experiments were able to degrade the diesel oil and the tests carried out with the native microorganisms indicated that these soils had a microbiota adapted to degrade the hydrocarbons. In general, no gain was obtained with the addition of microorganisms or even negative effects were observed in the biodegradation experiments.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000500030
Editor:  Instituto de Tecnologia do Paraná - Tecpar
Relação:  10.1590/S1516-89132009000500030
Formato:  text/html
Fonte:  Brazilian Archives of Biology and Technology v.52 n.5 2009
Direitos:  info:eu-repo/semantics/openAccess
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