Abstract

The recovery of uranium from nuclear waste solution is of great importance for sustainable nuclear energy and environmental remediation. Various magnetic metal oxides have been widely utilized to remove uranium from aqueous solution due to environmental friendly, low cost, facile synthesis, high adsorption capacity and simple magnetic separation. However, the recent advances of the removal of U(VI) by magnetic metal oxides were not available. Herein, the modification of magnetic metal oxides was summarized and then the removal behavior of U(VI) by various magnetic metal oxides (e.g., magnetic carbon-, metal (hyd)oxide-, silicate-, polymer-based nanoparticles) was reviewed in details. Last but not least, the current situation, present problems and future research tendency of magnetic metal oxides were proposed. Hopefully, this review will provide theoretical basis and practical guidance for chemical scientists and environmental engineers applying magnetic metal oxides to the safe remediation of radionuclides.

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