Research Article

Preparation and Characterization of Chitosan/Bentonite Composites for Cr (VI) Removal from Aqueous Solutions

Figure 5

Effect of pH of Cr (VI) solutions on Cr (VI) removal by CSBT and AlBT. (absorbent dosaging, 400 mg/L; initial concentration, 10 mg/L; temperature, 298 K; contact time, 90 min; rpm, 180).