Batch Study for Insecticide Carbofuran Adsorption onto Palm-Oil-Fronds-Activated Carbon

Table 1

Langmuir, Freundlich, and Temkin isotherm model parameters and correlation coefficients for adsorption of carbofuran on PFAC at 30^°C.

Isotherm models	Parameters
Langmuir	𝑞𝑚 (mg/g)	𝑏 (L/mg)	𝑅^2
	164	0.236	0.993
Freundlich	𝐾𝐹 (mg/g (L/mg)^1/𝑛)	1/𝑛	𝑅^2
	31.31	0.521	0.887
Temkin	A (L/g)	B	𝑅^2
	1.13	32.51	0.958