2009
DOI: 10.1007/s10532-009-9308-5
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Removal of organic compounds by a biofilm supported on GAC: modelling of batch and column data

Abstract: The performance of a biofilm of Arthrobacter viscosus supported on granular activated carbon on the retention of organic compounds was evaluated. The presence of functional groups on the cell wall surface of the biomass that may interact with the organic compounds was confirmed by Fourier transform infrared spectroscopy, to assess the applicability of this system to the removal of those compounds. The batch assays showed that the removal percentage decreases with the increasing initial concentration. The remov… Show more

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Cited by 31 publications
(14 citation statements)
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“…The results obtained in this work for these parameters were similar to those obtained by Quintelas et al [10] working with columns containing a biofilm supported on granular activated carbon.…”
Section: Page 19 Of 41supporting
confidence: 90%
“…The results obtained in this work for these parameters were similar to those obtained by Quintelas et al [10] working with columns containing a biofilm supported on granular activated carbon.…”
Section: Page 19 Of 41supporting
confidence: 90%
“…It can be applied to represent adsorption equilibrium over a wide concentration range: Qe=(KRCe)(1+aRCeβ). Sips model isotherm is also called Langmuir-Freundlich isotherm [46]. At low sorbate concentrations, it reduces to a Freundlich isotherm, and at high sorbate concentrations, a monolayer sorption capacity is predicted [47]: Qe=(KSCe1/bS)(1+aSCe1/bS). The Toth isotherm model is an empirical equation useful in describing heterogeneous adsorption systems [48]. Equation (8) exhibits the most general form of this model: Qe=(KtCe)[(at+Ce)1/t]. The parameters of all studied models were estimated by nonlinear regression procedure employing Table Curve software (Jandel Scientific).…”
Section: Methodsmentioning
confidence: 99%
“…were used before on the removal of organic compounds with very promising results. Wu et al (2010) used this bacterium to degrade di-n-octyl phthalate, Aresta et al (2010) used Arthrobacter sulfureus isolated from olive-mill wastewater polluted soil to degrade phenol and Quintelas et al (2006Quintelas et al ( , 2010 used Arthrobacter viscosus supported on GAC to remove phenol, o-cresol and chlorophenol from contaminated wastewater.…”
Section: Introductionmentioning
confidence: 99%