Volume 86 Issue 10 | p. 54 | Concentrates
Issue Date: March 10, 2008

Treating Nuclear Waste With Sulfides

Department: Science & Technology

Metal sulfides may make it easier to remove radioactive strontium-90 from nuclear waste (Proc. Natl. Acad. Sci. USA, DOI: 10.1073/pnas.0711528105). To minimize the need for waste storage space, handlers would like to be able to remove 90Sr from bulk waste so they can immobilize and store just the radioactive component. Common adsorbents, however, may decompose in the extremely alkaline environment of many waste streams. These streams also have high salt concentrations that challenge selective uptake . . .

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