Tritium Formation and Mitigation in High-Temperature Reactor Systems Page: 4 of 31
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ABSTRACT
Tritium is a radiologically active isotope of hydrogen. It is formed in nuclear
reactors by neutron absorption and ternary fission events and can subsequently
escape into the environment. To prevent the tritium contamination of proposed
reactor buildings and surrounding sites, this study examines the root causes and
potential mitigation strategies for permeation of tritium (such as: materials
selection, inert gas sparging, etc...). A model is presented that can be used to
predict permeation rates of hydrogen through metallic alloys at temperatures
from 450-750C. Results of the diffusion model are presented for a steady
production of tritium.2
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Sabharwall, Piyush; Stoots, Carl & Schmutz, Hans A. Tritium Formation and Mitigation in High-Temperature Reactor Systems, report, March 1, 2013; Idaho Falls, Idaho. (https://digital.library.unt.edu/ark:/67531/metadc840211/m1/4/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.