Effect of Alkali Treatment of Wheat Straw on Adsorption of Cu(II) under Acidic Condition

Table 3

Kinetic parameters for the adsorption of Cu(II) onto AWS at different initial concentrations.

(mg/L)	(mg/g)	Pseudo-first-order			Pseudo-second-order
		5	0.917	0.419	0.906	0.9990	1.491	0.925	0.9994
10	1.876	0.503	1.850	0.9988	1.063	1.880	0.9999
20	3.295	0.594	3.237	0.9982	0.855	3.280	0.9997
50	6.747	0.522	6.512	0.9959	0.298	6.730	0.9984