Table 3.

Kinetic parameters for the effect of temperature on methylene blue removal

Pseudo first-order				Pseudo second order			Intraparticle diffusion		Boyd diffusion coefficient
qe exp. (mg/g)	k1 × 10−3 (min−1)	qe calc. (mg/g)	R2	k2 × 10−3 (mg/g min)	qe calc. (mg/g)	R2	Kid (mg/g min1/2)	R2	Di × 10−5 (cm2/s)
12.89	0.62	14.01	0.97	56.42	18.42	0.97	0.843	0.98	2.18