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The Mission of the Robotics and Remote Systems Division is to promote the development and application of immersive simulation, robotics, and remote systems for hazardous environments for the purpose of reducing hazardous exposure to individuals, reducing environmental hazards and reducing the cost of performing work.
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ANS Student Conference 2025
April 3–5, 2025
Albuquerque, NM|The University of New Mexico
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Fusion Science and Technology
Latest News
Argonne research aims to improve nuclear fuel recycling and metal recovery
Servis
Scientists at Argonne National Laboratory are investigating a used nuclear fuel recycling technology that could lead to a scaled-down and more efficient approach to metal recovery, according to a recent news article from the lab. The research, led by Argonne radiochemist Anna Servis with funding from the Department of Energy’s Advanced Research Projects Agency–Energy (ARPA-E), could have an impact beyond the nuclear fuel cycle and improve other high-value metal processing, such as rare earth recovery, according to Argonne.
The research: Servis’s work is being carried out under ARPA-E’s CURIE (Converting UNF Radioisotopes Into Energy) program. The specific project—Radioisotope Capture Intensification Using Rotating Packed Bed Contactors—started in 2023 and is scheduled to end in January 2026.
A. S. Ivanova, A. N. Bukin, S. A. Marunich, Yu. S. Pak, A. N. Perevezentsev, M. B. Rozenkevich
Fusion Science and Technology | Volume 75 | Number 1 | January 2019 | Pages 24-35
Technical Paper | doi.org/10.1080/15361055.2018.1499396
Articles are hosted by Taylor and Francis Online.
Operation of atmosphere detritiation systems during fire in confinement sector with tritium inventory at risk presents a concern for catalytic reactor to operate in thermally unstable regime. Catalytic oxidation of organic compounds commonly released during fire occurs through reactions with high heat effect and can cause uncontrollable increasing temperature in reactor. Under certain conditions self-ignition of fume gas will start and continue in regime of gas-phase reaction at very high temperature with flame propagating in direction opposite to gas flow. As a result, catalytic reactor loses its operability and presents an intrinsic hazard for atmosphere detritiation system. This study assesses the impact of various parameters, such as heat effect, rate and activation energy of catalytic chemical reaction, and concentration of hydrocarbons on probability of catalytic reactor falling into thermally unstable regime. Experimental tests with catalytic oxidation of fume gases produced by combustion of polymeric insulation materials of electrical cables confirmed results of the assessment and allowed to identify conditions for catalytic reactor to operate in thermally unstable regime. To mitigate the probability of such event, arrangement for catalytic reactors in atmosphere detritiation system shall be changed. Various options are reviewed.