Research Article

Indigo Carmine and 2,6-Dichlorophenolindophenol Removal Using Cetyltrimethylammonium Bromide-Modified Palm Oil Fiber: Adsorption Isotherms and Mass Transfer Kinetics

Figure 14

Effect of desorption solution on the recovery of IC and 2,6-DCPIP adsorbed. Experimental conditions: 4 mg of IC or 2,6-DCPIP loaded biosorbents; G = 0–100 μm; t = 40 min for IC and t = 30 min for 2,6-DCPIP;  = 150 rpm; V = 30 mL; at room temperature.