Removal of Lead (II) Ions from Aqueous Solutions onto Activated Carbon Derived from Waste Biomass

Table 3

Adsorption isotherms constants for the adsorption of lead (II) ions onto the activated carbon (SAC2) at 298.15 K.

Langmuir
q max (mg g^−1)	476.19
𝐾𝐿 (L mg^−1)	2.201
𝑅𝐿	0.419
𝑟^2𝐿	0.9413
Freundlich
𝑛	1.586
𝐾𝐹 (L g^−1)	7.381
𝑟^2𝐹	0.9624