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Isolation of a xanthobacter sp. degrading dichloromethane
Emanuelsson, Maria A. E.; Osuna, M. Begoña; Jorge, Ruben M. Ferreira; Castro, Paula M. L.A bacterial strain able to degrade dichloromethane (DCM) as the sole carbon source was isolated from a wastewater treatment plant receiving domestic and pharmaceutical effluent. 16S rDNA studies revealed the strain to be a Xanthobacter sp. (strain TM1). The new isolated strain when grown aerobically on DCM showed Luong type growth kinetics, with lmax of 0.094 h-1 and Sm of 1,435 mg l-1. Strain TM1 was able to d...
Treatment of halogenated organic compounds and monitoring of microbial dynamics...
Emanuelsson, Maria A. E.; Osuna, M. Begoña; Sipma, Jan; Castro, Paula M. L.Two up-flow fixed bed reactors (UFBR) were operated for 8 months treating a model synthetic wastewater containing 2-fluorobenzoate (2-FB) and dichloromethane (DCM). The stability of the reactors under dynamic conditions, that is, sequentially alternating pollutants (SAP), shock loads, and starvation periods was assessed. Two support materials were used: expanded clay (EC) that does not adsorb 2-FB or DCM, and g...
Biodegradation of 2-fluorobenzoate in upflow fixed bed bioreactors operated wit...
Emanuelsson, Maria A.E.; Henriques, Isabel S.; Jorge, Ruben M Ferreira; Castro, Paula MLThree upflow fixed bed bioreactors treating an aqueous stream containing 2-fluorobenzoate were operated for a period of 7months, during which they were exposed to high organic loading rates and starvation. The reactors contained granular activated carbon (GAC), polyethylene (PE) particles and expanded clay (EC) respectively as growth support for microbial biofilms. The performance of the reactors was compared a...
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