Table 1.

Fitting results of Langmuir and Freundlich isotherms for MO adsorption by RHB and CSBC.

Model	Isotherm Parameter	Adsorbent
		RHB	CSBC
Langmuir	qm (mg.g−1)	31.63	38.75
	KL (L.mg−1)	0.10	0.17
	R2	0.998	0.980
Freundlich	1/n	3.45	3.02
	KF ((mg.kg−1)/(mg.L−1)n)	7.73	7.89
	R2	0.916	0.974