Defluoridation with Locally Produced Thai Bone Char

Table 5

Parameters for the Langmuir sorption isotherm comparing Thai and Indian bone char.

Sample
	THAI BC	IND BC	THAI BC	IND BC	THAI BC	IND BC
GW1	0.191	0.217	0.409	0.455	0.913	0.858
GW2	0.209	0.391	0.408	0.262	0.952	0.506
GW3	0.196	0.362	0.478	0.167	0.848	0.747
GW4	0.644	0.364	0.092	0.229	0.912	0.415
GW5	0.204	0.134	0.389	1.049	0.543	0.878
GW6	0.321	0.457	0.306	0.289	0.893	0.399
Syn.	0.188	0.264	0.556	0.480	0.957	0.819
value	0.668		0.751