Fig. 6From: Locally available agroresidues as potential sorbents: modelling, column studies and scale-upa Freundlich isotherm at 30 °C for SD, CS and GNS; b Freundlich isotherm at 45 °C for SD, CS and GNS; c Freundlich isotherm at 60 °C for SD, CS and GNSBack to article page