Effect of Carboxylic Functional Group Functionalized on Carbon Nanotubes Surface on the Removal of Lead from Water

Table 1

Parameters of Langmuir and Freundlich adsorption isotherm models for lead.

Langmuir			Freundlich
𝑞𝑚	𝐾𝐿	𝑅^2	𝑛	𝐾𝐹	𝑅^2
6.6	0.0704	0.9731	1.6437	0.6041	0.9971