Effective Removal of Phosphate from Waste Water Based on Silica Nanoparticles

Table 4

Adsorption isotherm parameters removal of phosphate.

	Maximum adsorption capacity qmax (mg·g^−1)	Isotherm coefficients
		A F (mg·g^−1)	I	A L (L·mg^−1)	R ^2
Freundlich isotherm	—	0.69	0.34	—	0.75
Langmuir isotherm	9.08	—	—	1.2	0.87