D-K-R and Arrhenius parameters for the adsorption

	D-K-R Equation Parameters				Energy of Activation
Metal	R²	q_m(mg/g)	β(mol²/J²)	E (kJ/mol)	R²	Ea(kJ/mol)	A
Lead	0.92	8.88	3e^-06	0.41	0.99	4.89	9.88
Cadmium	0.88	5.84	3e^-06	0.41	0.95	3.49	179.9
Copper	0.81	4.53	5e^-06	0.32	0.95	3.39	16.45

Table 2: D-K-R and Arrhenius parameters for the adsorption of Pb (II), Cd (II) and Cu (II) onto raw wheat straw.

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