Performance of SBR for the treatment of textile dy

Performance of SBR for the treatment of textile dye wastewater Optimization and kinetic studiesORIGINALARTICLEPerformanceofSBRforthetreatmentoftextiledyewastewater:OptimizationandkineticstudiesS.Sathian,M.Rajasimman*,G.Radha,V.Shanmugapriya,C.KarthikeyanEnvironmentalEngineeringLaboratory,DepartmentofChemicalEngineering,AnnamalaiUniversity,AnnamalaiNagar608002,TamilNadu,IndiaReceived11November2013;revised27February2014;accepted2March2014Availableonline3April2014KEYWORDSSBR;WRF;Dyewastewater;RSM;OptimizationAbstractInthiswork,sequentialbatchreactor(SBR)wasemployedforthetreatmentoftextiledyewastewater.Theperformanceoffourwhiterotfungi(WRF)viz.Coriolusversicolor,Pleurotusfloridanus,GanodermalucidumandTrametespubescenswasevaluatedinpureandmixedcombina-tionsintermsofdecolorization.FromtheresultsitwasfoundthatthecombinationofPleurotusfloridanus,GanodermalucidumandTrametespubescenswasbestandtheywereusedintheSBR.Theprocessparameterslikeairflowrate,sludgeretentiontime(SRT)andcycleperiodwereoptim