Enhanced As (V) Removal from Aqueous Solution by Biochar Prepared from Iron-Impregnated Corn Straw

Table 3

Parameters of kinetic models for As(V) onto CS-Fe.

Kinetic models	Parameters	25 mg L^−1	40 mg L^−1
Lagergren-first-order	()	5.67	7.87
	()	3.29	3.34
		0.9993	0.9953
Pseudo-second-order	()	5.68	7.93
	(g mg^−1 h^−1)	9.12	5.13
		0.9999	0.9999