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NRC looks to leverage previous approvals for large LWRs
During this time of resurging interest in nuclear power, many conversations have centered on one fundamental problem: Electricity is needed now, but nuclear projects (in recent decades) have taken many years to get permitted and built.
In the past few years, a bevy of new strategies have been pursued to fix this problem. Workforce programs that seek to laterally transition skilled people from other industries, plans to reuse the transmission infrastructure at shuttered coal sites, efforts to restart plants like Palisades or Duane Arnold, new reactor designs that build on the legacy of research done in the early days of atomic power—all of these plans share a common throughline: leveraging work already done instead of starting over from square one to get new plants designed and built.
E. Willin, M. Sirch, R.-D. Penzhorn, M. Devillers
Fusion Science and Technology | Volume 14 | Number 2 | September 1988 | Pages 756-763
Tritium Properties and Interactions with Material | Proceedings of the Third Topical Meeting on Tritium Technology in Fission, Fusion and Isotopic Applications (Toronto, Ontario, Canada, May 1-6, 1988) | doi.org/10.13182/FST88-A25226
Articles are hosted by Taylor and Francis Online.
Whereas titanium is a getter material mainly suitable for the long-term storage of tritium, zirconium cobalt alloy can also be employed for the interim storage and transport of this gas. Activated zirconium cobalt alloy reacts within minutes with hydrogen at room temperature. At the composition of ZrCoH0.8 the dissociation pressure at room temperature is estimated to be 10−3 Pa. The zirconium cobalt / H2 system is not pyrophoric at room temperature. Methane is partially cracked on Ti and on ZrCo at temperatures above 600 and 300°C respectively. With titanium the corresponding carbide is formed without affecting the storage properties of the getter. After reaction of ZrCo with CH4 or N2 the hydrogen absorption capacity is reduced. Titanium powder, sponge or sheet react with nitrogen at temperatures above 750°C with a parabolic rate law. In the overlayer of the metal substrate the phases N dissolved in α-Ti, Ti2N and TiN were identified. The same phases were observed when NH3 reacts with this metal.
