The Application of the Activated Carbon from Cordia africana Leaves for Adsorption of Chromium (III) from an Aqueous Solution

Table 6

Adsorption kinetics.

Pseudo-first order				Pseudo-second order
Equation	R ^2	q e (mg/g)	K 1 (min^−1)	Equation	R ^2	K 2 (g·mg^−1·min)	q e (mg/g)
Y = −7.81X + 1.67	0.99	10^–7.81	3.85	Y = 0.0183X + 1.14	0.98	2.94 × 10^−4	54.65