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Decolourization of Reactive Azo Dye using Mixed Culture

By Kapil Kumar A, M. G. Dastidar A, T. R. Sreekrishnan B and Remazol Black B

Abstract

Abstract—In the present study, an attempt was made to examine the potential of aerobic mixed culture for decolourization of Remazol Black B dye in batch reactors. The effect of pH, temperature, inoculum, initial concentration of dye and initial concentration of glucose was studied with an aim to determine the optimal conditions required for maximum decolourization and degradation. The culture exhibited maximum decolourization ability at pH between 7-8 and at 30°C. A 10 % (v/v) inoculum and 1 % (w/v) glucose concentration were found to be the optimum for decolourization. A maximum of 98 % decolourization was observed at 25 ppm initial concentration of dye after 18 hours of incubation period. At higher dye concentration of 300 ppm, the removal in colour was found to be 75 % in 48 hours of incubation period. The results show that the enriched mixed culture from activated sludge has good potential in removal of Remazol Black B dye from wastewater under aerobic conditions

Topics: S
Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.193.4293
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