Table 2.

Different isotherm models including Langmuir, Freundlich and D-R models affection adsorption of ^152+154Eu and ⁶⁰Co onto the surface of the BWO at different temperature.

Metal ions	Temp °C	Q° (mg/g)	Langmuir parameters			1/n	Freundlich parameters		qm (Mol/Kg) mol/g	D-R
			b (L/mg)	RL	R2		kf	R2		β mol2 /kJ2	E kJ/mol	R2
152+15Eu	25	409.9	0.011	0.468	0.988	1.34	7.64	0.982	9.77	0.009	9.45	0.997
	40	425.2	0.017	0.363	0.990	1.78	20.9	0.999	10.12	0.005	10.13	0.977
	60	454.3	0.027	0.268	0.987	1.95	29.8	0.999	14.21	0.004	12.2	0.998
60Co	25	310.6	0.006	0.632	0.999	1.35	3.25	0.969	14.8	0.008	8.91	0.998
	40	336.3	0.007	0.604	0.999	1.59	6.96	0.988	17.1	0.008	9.91	0.997
	60	363.7	0.007	0.581	0.999	1.61	7.99	0.986	19.6	0.008	11.91	0.997