Environmental Sciences Europe

Table 2 Isotherm parameters and the correlation coefficient, R² for the adsorption of MB dye onto claytone and clay D2000

From: Fashionable epoxy/clay nanocomposites using modified clay-loaded methyl blue dye

Model	Parameters	Temperature/K
		298		308		318
		Claytone	CayD2000	Claytone	ClayD2000	Claytone	ClayD2000
Langmuir	q_max (mg g⁻¹)	2.749	2.555	5.125	3.726	5.523	5.555
	K_L (L mg⁻¹)	1.488	1.726	2.624	0.647	3.913	0.399
	R²	0.987	0.997	0.918	0.981	0.959	0.911
Freundlich	n	2.762	3.344	1.6181	1.789	1.555	1.112
	K_F (mg g⁻¹)	1.535	0.412	5.317	1.430	6.079	1.446
	R²	0.829	0.868	0.959	0.872	0.981	0.970
D-R	q_m (mg g⁻¹)	2.405	2.228	3.770	2.575	3.976	2.913
	K_D-R × 10³ (mol² k J⁻²)	− 0.1110	− 0.1736	− 0.0337	− 0.0921	− 0.0274	− 0.0642
	E (kJ/mol)	2.123	1.697	3.854	2.329	4.274	2.791
	R²	0.9518	0.9598	0.9446	0.9823	0.9814	0.9575

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