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Materials Science & Technology
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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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Fusion Science and Technology
February 2024
Latest News
Direct waste transfer process quickens at Savannah River Site
The Department of Energy Office of Environmental Management’s liquid waste contractor at the Savannah River Site this month marked the first direct transfer of decontaminated waste from the Salt Waste Processing Facility (SWPF) to the Saltstone Production Facility (SPF). This is a new step in optimizing waste processing, according to the DOE.
A. N. Bukin, V. S. Moseeva, A. V. Ovcharov, S. A. Marunich, Yu. S. Pak, M. B. Rozenkevich
Fusion Science and Technology | Volume 76 | Number 3 | April 2020 | Pages 358-365
Technical Paper | doi.org/10.1080/15361055.2020.1712981
Articles are hosted by Taylor and Francis Online.
In this work, experimental and mathematical substantiation of the possibility of using the new RCTU-4 hydrophobic catalyst [0.9 mass % Pt/styrene and divinylbenzene (SDVB)] in the separation of protium-tritium isotopic mixtures by a two-temperature catalytic exchange method in a water-hydrogen system was carried out. Variation of the synthesis parameters of the support and the catalyst allowed a significant increase in the activity (≥50 s–1) and heat resistance (≈550 K) of the investigated sample compared to the previously used catalyst RCTU-3SM (kexp = 12 s−1; heat resistance = 388 K). The mathematical model presented in the paper considers three phases (liquid water, steam, and hydrogen gas) and allows optimization of dual-temperature installations in the water-hydrogen system for any isotopic mixtures.