Adsorptive Removal of Iron Using SiO₂ Nanoparticles Extracted from Rice Husk Ash

Table 2

Kinetic coefficients in iron adsorption.

	Minimum adsorption capacity, qo (mg/g)	Fitting coefficients			R^2
		a	b	c
Time	7.7	0.9	12.3	1.6	0.98
Mass	7.8	1.3	1.9	0.1	0.96
pH	0.5	7.9	4.2	0.2	0.99