Modified Multiwalled Carbon Nanotubes for Treatment of Some Organic Dyes in Wastewater

Table 2

Adsorption isotherm constants of Freundlich model for basic orange dye (pH = 8.5 and contact time = 30 min).

CNTs dosage (mg/L)	𝐾𝐹; mg/g (L/mg)^1/n	𝑛	𝑅^2
100	29.4985	1.2466	0.9987
200	27.3716	1.5352	0.9905
300	69	2.6738	0.9913