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Effect of biologically treated petroleum sludge on seed germination and seedling growth of Vigna unguiculata (L.) Walp. (Fabaceae) BABT
Sangeetha,Jeyabalan; Thangadurai,Devarajan.
The present investigation was carried out to study the response of different concentrations of treated petroleum sludge on seed germination, root and shoot length and tolerance of Vigna unguiculata (L.) Walp. The biologically treated petroleum sludge with bacterial consortium showed 54.8% reduction in total petroleum hydrocarbons. Treated sludge was utilized with agricultural soil in known concentration for the assessment of growth of V. unguiculata. A remarkable absence of seed germination was observed at higher sludge concentration. The different concentrations of treated petroleum sludge showed severe decline on the length, weight and vigour index of the tested seedlings with increasing sludge concentrations. The results showed that the difference in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacterial consortium; Biodegradation; Petroleum sludge; Seed germination; Total petroleum hydrocarbon; Vigna unguiculata.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132014000300017
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Simulation of a surface spill of different diesel/biodiesel mixtures in an ultisol, using natural attenuation and bioaugmentation/biostimulation Anais da ABC (AABC)
MEYER,DANIEL D.; BEKER,SABRINA A.; HECK,KARINA; PERALBA,MARIA DO CARMO R.; BENTO,FÁTIMA M..
Abstract Accidents caused by leaks and/or spills on soils need to be addressed. Natural attenuation, biostimulation and bioaugmentation can be useful bioremediation strategies for decontamination processes in soils of diesel/biodiesel mixtures. The purpose of this study was to evaluate the degradation rate of the different fuels (B0, B20 and B100) in an ultisol under natural attenuation and biostimulation/bioaugmentation during 60 days of incubation in a controlled microcosm simulating a surface spill over soil. The degradation of different diesel/biodiesel mixtures was monitored for up to 60 days by dehydrogenase activity, respirometry by CO2 release, the most probable number of heterotrophic and degrading microorganism and gas chromatography. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacterial consortium; Bioremediation strategies; Dehydrogenase; Respirometry; Soil spill.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000602741
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Stenotrophomonas maltophilia isolated from gasoline-contaminated soil is capable of degrading methyl tert-butyl ether Electron. J. Biotechnol.
Alfonso-Gordillo,Guadalupe; Cristiani-Urbina,Eliseo; Flores-Ortiz,César Mateo; Peralta,Humberto; Cancino-Díaz,Juan Carlos; Cruz-Maya,Juan Antonio; Jan-Roblero,Janet.
Background: Methyl tert-butyl ether (MTBE) is a pollutant that causes deleterious effects on human and environmental health. Certain microbial cultures have shown the ability to degrade MTBE, suggesting that a novel bacterial species capable of degrading MTBE could be recovered. The goal of this study was to isolate, identify and characterize the members of a bacterial consortium capable of degrading MTBE. Results: The IPN-120526 bacterial consortium was obtained through batch enrichment using MTBE as the sole carbon and energy source. The cultivable fraction of the consortium was identified; of the isolates, only Stenotrophomonas maltophilia IPN-TD and Sphingopyxis sp. IPN-TE were capable of degrading MTBE. To the best of our knowledge, this report is the...
Tipo: Journal article Palavras-chave: Bacterial consortium; Biodegradation; MTBE; Sphingopyxis sp; Stenotrophomonas maltophilia.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582016000500003
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