Nitrate Removal from Waste-Water Using Silica Nanoparticles

Table 2

Adsorption coefficients for kinetic models.

	Possible capacity of adsorption Pad (mg·g^−1)	Kinetic coefficients
		L1 (min^−1)	L2 (g mg^−1·min^−1)	R^2
Pseudo-first-order kinetic model	4.95	0.22		0.55
Pseudo-second-order kinetic model	5.0		0.43	0.92