REMOVAL OF ORGANIC DYES BY ACTIVATED SLUDGE
1979; Elsevier BV; Linguagem: Inglês
10.1016/b978-0-08-022939-3.50048-9
AutoresM. Dohányos, Vladimir Maděra, Miroslav Sedláček,
Tópico(s)Adsorption and biosorption for pollutant removal
ResumoThe removal of organic dyes by activated sludge was tested in laboratory-scale experiments. In a batch system the kinetics of dye removal by activated sludge, the influence of the dye structure on its removal, equilibrium adsorption and in continuous experiments the effect of the dye on the treatment process were investigated using 20 different textile dyes. The results proved that the dye removal by activated sludge is a physico-chemical process. Equilibrium adsorption can be characterized by the Freundlich equation of the adsorption isotherm. The dyes used have no negative effect on the performance of the activated-sludge process nor on the morphology of the activated sludge during the treatment of effluents containing these dyes.
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