Removal of Colored Organic Pollutants from Wastewaters by Magnetite/Carbon Nanocomposites: Single and Binary Systems

Table 5

Constants and correlation coefficients of adsorption isotherm models.

Models	Parameter	Dyes
		NB	ChS	BR2
Freundlich	(mg g^−1 (mg L^−1)^-1/n)	40.28	32.76	53.05
		3.326	4.121	3.049
		0.9391	0.9522	0.9602
		292.77	65.62	287.58
Langmuir	(mg g^−1)	188.96	100.77	238.17
	(L mg^−1)	0.089	0.213	0.118
		0.9711	0.9609	0.9569
		138.98	53.59	311.63
Sips	(mg g^−1)	223.82	114.68	286.91
	((mg L^−1)^-1/n)	0.051	0.152	0.069
		1.424	1.563	1.489
		0.9907	0.9861	0.9859
		52.57	29.59	118.98
Redlich-Peterson	(L g^−1)	85.37	35.46	50.11
	(mg L^−1)	1.486	0.577	0.462
		0.767	0.895	0.828
		0.9721	0.9807	0.9795
		157.21	31.75	172.32