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Synthetic Clay Excels in 90Sr Removal

Published online by Cambridge University Press:  31 January 2011

Sridhar Komarneni ,
Tatsuya Kodama ,
William J. Paulus  and
C. Carlson
Sridhar Komarneni
Affiliation:
Materials Research Laboratory and Department of Agronomy, The Pennsylvania State University, University Park, Pennsylvania 16802
Tatsuya Kodama
Affiliation:
Materials Research Laboratory and Department of Agronomy, The Pennsylvania State University, University Park, Pennsylvania 16802
William J. Paulus
Affiliation:
Materials Research Laboratory and Department of Agronomy, The Pennsylvania State University, University Park, Pennsylvania 16802
C. Carlson
Affiliation:
Process Technology and Environmental Management Resources, Environmental Technology Division, Pacific Northwest National Laboratory, Richland, Washington 99352
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Abstract

Tests with actual ground water from Hanford site, and fundamental studies of 2Na+ → Sr2+ exchange equilibria revealed that a synthetic clay is extremely selective for 90Sr with a high capacity for uptake. Comparative studies with existing Sr selective ion exchangers clearly revealed that the present synthetic clay exhibited the best performance for 90Sr removal from actual ground water collected from three different locations at Hanford. This novel Sr ion sieve is expected to be useful for the decontamination of the environment after accidental release and contamination with 90Sr.

Type
Articles
Information
Journal of Materials Research , Volume 15 , Issue 6 , June 2000 , pp. 1254 - 1256
Copyright
Copyright © Materials Research Society 2000

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References

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