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Journal of Environmental and Public Health
/
2021
/
Article
/
Tab 4
/
Research Article
Adsorption of Rare Earth Ce
3+
and Pr
3+
Ions by Hydrophobic Ionic Liquid
Table 4
Arrhenius activation energy for the elimination of trivalent Ce and Pr ions from the aqueous phase by IL.
Ion
Concentration (mg L
ā1
)
E
a
(kJ mol
ā1
)
Ce (III)
10
15.7
30
26.9
Pr (III)
10
16.4
30
29.1