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Modernizing I&C for operations and maintenance, one phase at a time
The two reactors at Dominion Energy’s Surry plant are among the oldest in the U.S. nuclear fleet. Yet when the plant celebrated its 50th anniversary in 2023, staff could raise a toast to the future. Surry was one of the first plants to file a subsequent license renewal (SLR) application, and in May 2021, it became official: the plant was licensed to operate for a full 80 years, extending its reactors’ lifespans into 2052 and 2053.
M. Tanaka et al.
Fusion Science and Technology | Volume 48 | Number 1 | July-August 2005 | Pages 51-54
Technical Paper | Tritium Science and Technology - Tritium Processing, Transportation, and Storage | doi.org/10.13182/FST05-A878
Articles are hosted by Taylor and Francis Online.
For the purpose of the recovery of a hydrogen isotope exhausted from a fusion device and its application to a tritium monitor, hydrogen extraction properties using SrZr0.9Yb0.1O3- and CaZr0.9In0.1O3- and the effect of the electrode attachment method on the hydrogen extraction were evaluated under various atmospheres and temperatures. As a result, hydrogen could be extracted from mixed gases containing hydrogen, water vapor and methane. Furthermore, water vapor electrolysis for the tritium monitor was also evaluated under a wet atmosphere containing oxygen. From these results, it was revealed that a plated platinum electrode was suitable for mixed gases containing hydrogen, water vapor and methane, and that a porous pasted platinum electrode was suitable for water vapor electrolysis. From the findings obtained from the study of the hydrogen extraction properties, we described an optimum specification of the platinum electrode for a tritium recovery system and the number of proton-conducting ceramics for a tritium monitor.
