Issue Date: March 10, 2008
Treating Nuclear Waste With Sulfides
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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