Advances in Environmental Chemistry

Research Article

Defluoridation with Locally Produced Thai Bone Char

Table 1

Constants and goodness of fit for size ranges of Thai BC using linear, first order, and second order kinetic equations.


Size of BC (mm)	(mg/g) (experiment)	Zero order equation			First order equation			Second order equation
Size of BC (mm)	(mg/g) (experiment)	(h⁻¹)	(mg/g)		(h⁻¹)	(mg/g)		(g·mg⁻¹·h⁻¹)	(mg/g)

2.38–4.74	0.067	0.0025	0.048	0.875	0.143	0.070	0.967	1.235	0.094	0.959
1.19–2.37	0.069	0.0023	0.041	0.783	0.187	0.070	0.942	2.154	0.086	0.965
0.841–1.18	0.062	0.0019	0.034	0.700	0.127	0.042	0.954	2.833	0.074	0.987
<0.841	0.073	0.0023	0.048	0.880	0.105	0.061	0.985	1.421	0.092	0.988

value					0.28