Fig. 3From: Modelling and optimization studies on decolorization of brilliant green dye using integrated nanofiltration and photocatalysisa Effect of initial pH of dye solution for removal of BG dye [Dye concentration = 500 mg L− 1, Catalyst loading = 1 g L− 1]. b Percentage decolorization of BG dye in the hybrid system [Dye concentration = 500 mg L− 1]Back to article page