Experience with hydrogen addition water chemistry in the Fugen nuclear power station

Kitabata, Takuya*; Ueda, Shiho*; Takahashi, Hidetaka; Kanesaki, Takuno*; Iwai, Masaki*

Long term trends in water chemistry have been appeared in the Fugen after more than two years' hydrogen water chemistry: an increase of soluble Co-60 concentration and cyclic concentration change of Cr-51 in reactor water, an increase of soluble iron concentration in condensate, and acceleration of radioactivity buildup on pipeworks in the reactor cooling system. The hydrogen addition has been carried out using hydrogen produced by a water electrolysis system on the site. Protective effect of hydrogen addition on mitigating the IGSCC susceptibility of type 304 stainless steel is maintained. Hydrogen uptake by zircaloy-2 is not accelerated with the hydrogen addition.

Language	:	English
Report No.	:	PNC TN3410 88-011
Pages	:	22 Pages
Publication Year/Month	:	1988/04
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PDF	:	PNC-TN3410-88-011.pdf:0.43MB
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Keywords	:	no keyword
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Registration No. : GJ0119880734
JAEA Abstracts No. :

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