ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
Decommissioning & Environmental Sciences
The mission of the Decommissioning and Environmental Sciences (DES) Division is to promote the development and use of those skills and technologies associated with the use of nuclear energy and the optimal management and stewardship of the environment, sustainable development, decommissioning, remediation, reutilization, and long-term surveillance and maintenance of nuclear-related installations, and sites. The target audience for this effort is the membership of the Division, the Society, and the public at large.
Meeting Spotlight
2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
Latest Magazine Issues
Apr 2024
Jan 2024
Latest Journal Issues
Nuclear Science and Engineering
June 2024
Nuclear Technology
May 2024
Fusion Science and Technology
Latest News
NRC wants input on Hermes 2 test reactor construction permit
The Nuclear Regulatory Commission is seeking input on its draft environmental assessment and draft finding of no significant impact for Kairos Power’s application to build the Hermes 2 test reactor facility in Oak Ridge, Tenn.
Anthony Busigin, S. K. Sood, K. M. Kalyanam
Fusion Science and Technology | Volume 20 | Number 2 | September 1991 | Pages 179-185
Technical Paper | Tritium System | doi.org/10.13182/FST91-A29688
Articles are hosted by Taylor and Francis Online.
A new high-temperature isotopic exchange (HITEX) fuel processing loop (FPL) design for the International Thermonuclear Experimental Reactor (ITER) is proposed. The new design has advantages over previous ones that were based on catalytic oxidation or decomposition of impurities; it eliminates the need for impurity oxidation and electrolysis of DTO and does not rely on complicated catalytic decomposition reactions. In the HITEX design, tritium is exchanged out of impurities such as tritiated methane, ammonia, and water by swamping with H2 and isotopically equilibrating the mixture in a high-temperature reactor. The reactor consists of a horizontal tube with an axial platinum metal hot wire operated at a temperature of 1173 K. The walls of the reactor are cooled to near room temperature to minimize permeation. Downstream from the reactor is a Pd/Ag permeator to separate out hydrogen and impurities. The separated H2/HT stream is sent to the isotope separation system for tritium recovery.