Sorptive flotation of Eu(III)-loaded clays from aqueous solutions

Kandil, Abdelhakim; Ezzat, Amir; Mahmoud, Mamdoh R.; Soliman, Mohamed A.; Saad, Ebtissam A.

doi:10.21608/jsrs.2015.18486

Sorptive flotation of Eu(III)-loaded clays from aqueous solutions

Document Type : Original Article

Authors

¹ Chemistry Department, Faculty of Science, Helwan University, Cairo, Egypt

² Chemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt.

³ Nuclear Chemistry Department, Hot Laboratories Center, Atomic Energy Authority, P.O. Box 13759, Inshas, Cairo, Egypt.

⁴ Egypt Second Research Reactor, Atomic Energy Authority, P.O. Box 13759, Inshas, Cairo, Egypt.

⁵ Chemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt

10.21608/jsrs.2015.18486

Abstract

The present paper investigates the removal of Eu(III) from aqueous solutions by a sorptive flotation process. Eu(III) removal is achieved by adsorption onto bentonite and kaolinite followed by floatation using sodium dodecyl sulfate(SDS) and cetyltrimethylammonium bromide(CTAB) collectors. The effect of adsorption parameters (pH, contact time, clay weight, and initial Eu(III) concentration) as well as flotation parameters (collector and frother concentrations, and bubbling time) on the removal efficiency of Eu(III) were studied. Results show that Eu(III) ions are removed efficiently (∼95%) at pH = 4 after 1h shaking with clays and 15min floatation

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