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Porous Alumina-Silica (Gubka) as a Matrix for REE-TUE Strip Solution Immobilization

Published online by Cambridge University Press:  21 March 2011

A.S. Aloy ,
T.I. Kol'tsova ,
N.V. Sapozhnikova  and
A.V. Strelnikov
A.S. Aloy
Affiliation:
RPA «V.G. Khlopin Radium Institute», St. Petersburg, Russian Federation
T.I. Kol'tsova
Affiliation:
RPA «V.G. Khlopin Radium Institute», St. Petersburg, Russian Federation
N.V. Sapozhnikova
Affiliation:
RPA «V.G. Khlopin Radium Institute», St. Petersburg, Russian Federation
A.V. Strelnikov
Affiliation:
RPA «V.G. Khlopin Radium Institute», St. Petersburg, Russian Federation
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Abstract

The immobilisation of strip product (TUE + REE), collected at Russian research centers and laboratories during R&D on partitioning technology for liquid high–level radioactive waste (HLW), was studied using simulated solutions.

Ultraporous glass crystalline material “Gubka”(G) and multiple processing stages were used to immobilize the simulated strip product. The processing consisted of the following stages: Gubka saturation by solution – drying into Gubka pores – compaction by cold uniaxial pressing followed by sintering (CUPS) or hot uniaxial pressing (HUP).

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 932: Symposium – Scientific Basis for Nuclear Waste Management XXIX , 2006 , 56.1
Copyright
Copyright © Materials Research Society 2006

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References

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