Fig. 7From: Bio-sorption for effective removal of chromium(VI) from wastewater using Moringa stenopetala seed powder (MSSP) and banana peel powder (BPP)Effect of initial concentration on % removal of Cr(VI) by MSSP and by BPP [dose 20 g/L, contact time 120 min and pH 2 for Cr(VI) by MSSP and pH 4 for Cr(VI) by BPP]Back to article page