Evaluation of La-Doped Mesoporous Bioactive Glass as Adsorbent and Photocatalyst for Removal of Methylene Blue from Aqueous Solution

Table 4

Parameters calculated from isotherm equations for MB onto BG-La.

Adsorbent	Langmuir isotherm			Freundlich isotherm
	(mg/g)	(L/mg)		(mg/g)
BG-La-1	20.69	13.73	0.9795	19.02	0.41	0.9878
BG-La-2	16.75	8.29	0.9887	42.85	0.46	0.9943
BG-La-3				1.68	1.45	0.9765
BG-La-4				0.09	2.06	0.9891
BG-La-5				0.03	2.27	0.9899