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Effects of Noble Metal Elements on Viscosity and Electrical Resistivity of Simulated Vitrified Products for High-Level Liquid Waste

Published online by Cambridge University Press:  25 February 2011

Hiroshi Igarashi ,
Kazuhiro Kawamura  and
Takeshi Takahashi
Hiroshi Igarashi
Affiliation:
Power Reactor and Nuclear Fuel Development Corporation (PNC), Tokai-works, Waste Technology Development Division, 4–33 Muramatsu, Tokai-mura, Ibaraki-ken, 319-11, Japan
Kazuhiro Kawamura
Affiliation:
Power Reactor and Nuclear Fuel Development Corporation (PNC), Tokai-works, Waste Technology Development Division, 4–33 Muramatsu, Tokai-mura, Ibaraki-ken, 319-11, Japan
Takeshi Takahashi
Affiliation:
Power Reactor and Nuclear Fuel Development Corporation (PNC), Tokai-works, Waste Technology Development Division, 4–33 Muramatsu, Tokai-mura, Ibaraki-ken, 319-11, Japan
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Abstract

The effects of noble metal elements such as ruthenium, rhodium and palladium on the viscosity and electrical resistivity of simulated nuclear waste glass were studied. The glass enriched with noble metals showed the viscosity of a non-Newtonian fluid. The viscosity of the waste glass with 10 wt% Ru0 2 was 3 to 7 times higher than that of glass without noble metals. The RuO2 was mainly responsible for the increase in viscosity for the glass enriched with noble metals. Electrical resistivity of the glass with 15 wt% RuO2 was one seventh to two orders of magnitude lower than that of glass without noble metals. The three noble metals contributed to the decrease in resistivity. The quantitative effects of noble metals on these properties were obtained.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 257: Symposium – Scientific Basis for Nuclear Waste Management XV , 1991 , 169
Copyright
Copyright © Materials Research Society 1992

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References

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