Journal
BIOCHEMICAL ENGINEERING JOURNAL
Volume 7, Issue 1, Pages 79-84Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S1369-703X(00)00098-X
Keywords
biosorption; reactive dyes; dried activated sludge
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The biosorption of reactive dyes (Reactive Blue 2 - RB2 and Reactive Yellow 2 - RY2) onto dried activated sludge was investigated. The dye binding capacity of biosorbent was shown as a function of initial pH, initial dye concentration and type of dye. The equilibrium data fitted very well to both the Freundlich and Langmuir adsorption models. The results showed that both the dyes uptake processes followed the second-order rate expression. (C) 2001 Elsevier Science B.V. All rights reserved.
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