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Radioactive Tracer Test to Develop a Recycling System for Operating Reactor Scrap Metal

Published online by Cambridge University Press:  15 February 2011

A. Umemura ,
K. Kimura ,
K. Takahashi ,
D. Sakurai DR. ,
M. Yamamoto  and
S. Abe
A. Umemura
Affiliation:
Nuclear Energy Center, Mitsubishi Materials Corporation, Tokyo Japan
K. Kimura
Affiliation:
Nuclear Energy Center, Mitsubishi Materials Corporation, Tokyo Japan
K. Takahashi
Affiliation:
Nuclear Energy Center, Mitsubishi Materials Corporation, Tokyo Japan
D. Sakurai DR.
Affiliation:
Nuclear Energy Center, Mitsubishi Materials Corporation, Tokyo Japan
M. Yamamoto
Affiliation:
Radioactive Waste Management Center, Tokyo Japan
S. Abe
Affiliation:
Radioactive Waste Management Center, Tokyo Japan
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Abstract

A demonstration test using radio-isotope(RI) tracers during the manufacturing of inner drum shielding material from the recycling of operating reactor scrap metal was completed and the following results were obtained. The behaviour of five radionuclides (Mn-54. Co-60. Zn-65. Sr-85 and Cs-137) was established. The time-dependent behaviors of the radionuclides in molten steel and in slag were investigated. The radioactivity distributions in metal products were homogeneous. Dose equivalent rates in the working area were below background levels and radioactive dust concentrations in the air were below detection limits.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 353: Symposium – Scientific Basis for Nuclear Waste Management XVIII , 1994 , 1333
Copyright
Copyright © Materials Research Society 1995

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References

REFERENCES

1. Fujiki, K., et al., “Progress with Test on Melting of Low Level Metallic Waste at Jaeri”, Proceedings 1993 Technical Seminar on Melting and Recycling of Metallic Waste Materials from Decommissioning, CEC Research Programme on Decommissioning of Nuclear Installations (1993).Google Scholar
2. Fujiki, K., et al., “Jaeri Study on the Decommissioning Material Recycling”, Collected Abstracts of 1993 Fall Meeting of the Atomic Energy Society of Japan, Atomic Energy Society of Japan (1993).Google Scholar