Baumann Viktoria, Popa Karin, Walter Olaf, Rivenet Murielle, Senentz Gérald, Morel Bertrand, Konings Rudy J M
Univ. Lille, CNRS, Centrale Lille, Univ. Artois, UMR 8181-UCCS-Unité de Catalyse et Chimie du Solide, F-59000 Lille, France.
European Commission, Joint Research Centre, 76344 Karlsruhe, Germany.
Nanomaterials (Basel). 2023 Jan 13;13(2):340. doi: 10.3390/nano13020340.
In recent years, the hydrothermal conversion of actinide (IV) oxalates into nanometric actinide dioxides (O) has begun to be investigated as an alternative to the widely implemented thermal decomposition method. We present here a comparison between the hydrothermal and the conventional thermal decomposition of Pu(IV) oxalate in terms of particle size, morphology and residual carbon content. A parametric study was carried out in order to define the temperature and time applied in the hydrothermal conversion of tetravalent Pu-oxalate into PuO and to optimize the reaction conditions.
近年来，作为广泛应用的热分解法的替代方法，锕系元素（IV）草酸盐的水热转化为纳米级二氧化锕系元素（O）已开始受到研究。我们在此展示了草酸钚（IV）的水热分解与传统热分解在粒径、形态和残余碳含量方面的比较。进行了一项参数研究，以确定将四价钚草酸盐进行水热转化为二氧化钚时所应用的温度和时间，并优化反应条件。
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