Fig. 14

Regeneration of ABHG (1.0 g L−1) for adsorption–desorption of (a) MB dye (25 mg L−1 at pH 7.2), (b) Cr (VI) ions (25 mg L−1 at pH = 1.04) during 6 cycles.

Regeneration of ABHG (1.0 g L−1) for adsorption–desorption of (a) MB dye (25 mg L−1 at pH 7.2), (b) Cr (VI) ions (25 mg L−1 at pH = 1.04) during 6 cycles.