Removal of Pb from Water by Adsorption on Apple Pomace: Equilibrium, Kinetics, and Thermodynamics Studies

Table 3

Pseudo-second order of kinetics for Pb adsorption onto AP.

Concentration (mg/L)	Equation	𝑟^2	𝑞𝑒  (mg/g)	𝐾
10	𝑌=1.2089𝑥+0.6502	0.9968	0.82	2.28
20	𝑌=0.8574𝑥+0.2923	0.9998	1.167	2.51
40	𝑌=0.6530𝑥+0.1515	0.9995	1.530	2.81
60	𝑌=0.588𝑥+0.1803	0.9995	1.699	1.92
80	𝑌=0.5237𝑥+0.1157	0.9997	1.909	2.37
100	𝑌=0.5059𝑥+0.1571	0.9994	1.977	1.63