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

Table 2

Regression parameters of isotherms of As (V).

Sample	Langmuir			Freundlich
	(mg g^−1)	(Lmg^−1)		()
CS-Fe	14.77	2.97	0.9968	7.95	0.31	0.8358
CS	2.86	0.01	0.9492	6.16	1.18	0.9041