Removal of Pb (II) Ions from Aqueous Solutions by Cladophora rivularis (Linnaeus) Hoek

Table 1

Isotherm constants for Pb(II) biosorption by C. rivularis.

Initial Pb(II) concentration (mg/L)	Freundlich			Langmuir
	𝑛	𝐾𝐹 (L g^−1)	𝑅^2	𝑞max (mg g^−1)	b (L mmol^−1)	𝑅^2
1	2.123	6.121	0.963	12.064	0.224	0.861
5	3.261	11.326	0.965	48.136	0.140	0.952
10	3.146	12.065	0.984	37.036	0.521	0.891
15	2.242	8.915	0.965	22.228	0.162	0.883