Sorption/desorption of cesium in sulfate-resistant Portland cements
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The sorption and desorption properties of cesium on three sulfate-resistant Portland cements, and one Type III Portland cement, with water-to-cement ratios of 0.33, 0.43, and 0.53 were evaluated. Experimental sorption <Emphasis Type=”Italic”>K<Subscript>d </Subscript></Emphasis>values obtained at 1 day ranged from 0.60-37.1 l<Superscript> .</Superscript> kg<Superscript>-1</Superscript> with the smallest values observed for the sulfate-resistant Portland cements, and the greatest amount of cesium sorption occurring in the Type III Portland cement. Results indicated that cesium sorption showed significant hysteresis and was only partially reversible on the time scale of these experiments.
KeywordsCesium Portland Cement Ettringite Cement Type Sulfate Attack
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