Grewia spp. Biopolymer as Low-Cost Biosorbent for Hexavalent Chromium Removal

Figure 8

First-order (a) and second-order kinetics (b) modeling of Cr(VI) biosorption on Grewia spp. biopolymer. Biosorbent dose: 0.8 g/L, T = 25 ± 2°C.

(a)

(b)