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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.
Wenxing Xia, Li Yang, Kun Zhang, Pingni He, Lei Shu, Lei Han, Xiaochun Ma, Zhiyan Zhang, Zhi Cao, F. Gou
Fusion Science and Technology | Volume 75 | Number 2 | February 2019 | Pages 104-111
Technical Paper | doi.org/10.1080/15361055.2018.1533618
Articles are hosted by Taylor and Francis Online.
The corrosion behaviors of 316L stainless steel welds in stagnant liquid lithium and lithium with 0.2%H at 325°C for 1000 h was investigated by using weight loss method, scanning electron microscopy, energy dispersive spectroscopy, X-ray diffraction, and laser-induced breakdown spectroscopy. After liquid Li corrosion, a large number of (M)23C6 and NiCx particles (sizes of 1 ~ 2 μm) were found on the weld surface, while almost no such particles were found on the weld surface after corrosion in liquid Li with 0.2%H. The corrosion rates of welds were about 4.10 × 10−3 and 6.65 × 10−3 g · m−2 · h−1 in liquid Li and Li with 0.2%H, respectively, while the penetration depth of Li increased by 1.375 times after adding 0.2%H to Li. It was found that the penetration depth of Li was basically consistent with the dissolution depth of Cr, and the dissolution depth of Cr was larger than that of Ni and Fe in liquid Li and Li with 0.2%H.