Removal of direct and reactive dyes from textile wastewater using Moringa stenopetala seed extract

Abstract

With textile wastewater being one of the most sources of pollution containing higher value of colour BOD COD and several pollutants brings serious problem to the ecological environment This study maily focused on evaluating the efficacy of removal of reactive dyes direct dyes mixture of dye wastes and mixture of industrial and dye wastewaters by the natural absorbent Moringa The seeds of Moringa tree contain a coagulant protein that can be used for treatment of wastewater Seed extracts coagulant obtained by two methods viz simple extraction with distilled water and with saline water have been used for the study The effect of some operating parameters on coagulation namely pH coagulant dosage mixing time colour removal and turbidity was studied It was observed that the colour removals in direct red and reactive red dyes are and respectively with simple extract of seeds done with distilled water and it was in the order of and respectively with saline extracts of the seed These values of colour removal of dyes are optimized at ml L of coagulant and pH The mixture of industrial wastewater and dye wastes colour removal and turbidity removal was with simple extract and with saline extract respectively at optimized point Moringa stenopetala seed extract has high removal ability for anionic dyes