Fig. 12.
Breakthrough curve obtained for PANi/SD/PEG at various influent flow rate (sorbent weight 1.7 g; initial Cr (VI) 50 ppm; pH = 5)
Breakthrough curve obtained for PANi/SD/PEG at various influent flow rate (sorbent weight 1.7 g; initial Cr (VI) 50 ppm; pH = 5)