Study of the Kinetics Adsorption of Organic Pollutants on Modified Cellulosic Polymer Using Ultraviolet-Visible Spectroscopy

Table 1

Parameters of the Langmuir isotherm for adsorption of reactive dye by the cellulose-g-CDNMA.

pH	3	6	11
𝐾𝐿	3,813	7,204	1,684
𝑎𝐿/𝐾𝐿	0,0246	0,0268	0,0610
Monolayer capacity 𝑞max	40,650	37,313	16,393
Coeff. correlation 𝑅	0,9470	0,7705	0,9671
Standard deviation SD	0,0176	0,0382	0,0743
Separation factor 𝑅𝐿	0,977	0,954	0,975
Energy of adsorption Δ𝐺ads (KJ)	−3,32	−4,89	−1,29