Zairyo-to-Kankyo
Online ISSN : 1881-9664
Print ISSN : 0917-0480
ISSN-L : 0917-0480
Improvement of Reliability in Nuclear Fuel Reprocessing Plant
Fumihiro Wada
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1999 Volume 48 Issue 12 Pages 771-775

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Abstract

JNFL's Rokkasyo Reprocessing Plant (RRP) is under construction in Rokkasyo village Aomori prefecture, and it is required to select appropriate materials of equipment which possess high degree of corrosion resistance to process solutions based on nitric acid. In other existing reprocessing plants, some troubles caused by corrosion of stainless steel has been reported, and almost of these troubles had been occurred at the equipment used in boiling nitric acid condition. In consideration of these experiences and results, in RRP, distillation under reduced pressure technology adopted and zirconium was selected for boiling nitric acid condition under normal pressure.

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© Japan Society of Corrosion Engineering
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