Removal of Cs+ and Sr2+ from water using MWCNT reinforced Zeolite-A beads

Oxidatively modified carbon as efficient material for removing radionuclides from water

“…While trivalent elements such as U 3+ can be almost quantitatively removed by numerous known absorbents, the sorption of monovalent 137 Cs + remains an enormous challenge. [1][2][3][4] Sorption with porous minerals, [5][6][7][8][9][10] and ion-exchange media 11 are among the most effective methods for the Cs + removal.…”

“…The only known materials to efficiently sorb Cs + are synthetic zeolites. [5][6][7][8][9][10] However, the relatively high cost of synthetic zeolites lowers their performance-to-cost ratio. In addition, after sorption, Cs 1+ cannot be removed from zeolites as easy as from the ion-exchange resins.…”

Cellulose nanofiber backboned Prussian blue nanoparticles as powerful adsorbents for the selective elimination of radioactive cesium

“…Scientists have already reported the use of inorganic ion exchangers such as zeolites, clay minerals, metal oxides and metal hexacyanoferrates, to deal with the radioactive cesium contamination678. The Fukushima Daiichi nuclear power stations are equipped with systems constructed with zeolite as the absorbing material, and these are under maximum operation for eliminating radioactive elements from high-level radioactive water.…”

Copper hexacyanoferrate functionalized single-walled carbon nanotubes for selective cesium extraction

“…Moreover, the atomic structure of SWCNTs is chemically stable and resistant even to aggressive environments such as acidic or basic media. As a matter of facts, it turned out from the literature that carbon nanotubes are good candidates for the sorption of toxic chemical elements and of many heavy metal ions such as Cs + , Cd 2+ , Pb 2+ , Sr 2+ [5][6][7][8][9]. Yavari et al [5] first oxidized multi walled carbon nanotubes (MWCNTs) by nitric acid.…”