Column Adsorption Studies for the Removal of Cr(VI) Ions by Ethylamine Modified Chitosan Carbonized Rice Husk Composite Beads with Modelling and Optimization

Table 7

Optimized process variables value for adsorption of Cr(VI) ions by EAM-CCRCBs.

Adsorbent dosage; (g/100 mL)	Initial metal ion concentration (mg/L)	pH	% Removal		Adsorption capacity (mg/g)
			Predicted	Experimental	Predicted	Experimental
0.56	300	2	99.80	99.60	52.70	52.50