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  • Title: Kinetic studies of reactive azo dye decolorization in anaerobic/aerobic sequencing batch reactors.
    Author: Lourenço ND, Novais JM, Pinheiro HM.
    Journal: Biotechnol Lett; 2006 May; 28(10):733-9. PubMed ID: 16791728.
    Abstract:
    The decolorization kinetics of Remazol Brilliant Violet 5R (RBV-5R) and Remazol Black B (RB-B) (mono- and diazo reactive dyes, respectively) was investigated in the first 9 h (anaerobic phase) of a 24-h cycle anaerobic/aerobic sequencing batch reactor (SBR). Two distinct, successive decolorization periods were observed for both dyes, apparently due to different decolorization mechanisms. The apparent first-order rate constants were much lower for the second periods. First-order kinetics were apparently followed for both periods of RBV-5R but not for the first decolorization period of RB-B, possibly due to the occurrence of mass transfer limitations.
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