Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Pyrochlore type high-entropy oxide solidified body and preparation method thereof
The invention relates to a pyrochlore type high-entropy oxide solidified body and a preparation method thereof. The high-entropy oxide solidified body has a pyrochlore structure, and the chemical formula is RE2M2O7, wherein RE is a rare earth element, and M is a transition metal element. The pyrochlore-type high-entropy oxide solidified body of the invention has excellent chemical stability. Radioactive nuclides of different valence states and types can be solidified in crystal lattices of a high-entropy oxide base material, deep geological disposal is facilitated, , and the system of solidification treatment of base materials for radioactive nuclear waste is enriched. The method is low-cost, is simple and feasible and has a wide application range. The process is high in efficiency and good in safety, and is expected to be applied to the technical field of radioactive nuclear waste treatment.
本发明涉及一种焦绿石型高熵氧化物固化体及其制备方法，所述高熵氧化物固化体具有焦绿石结构，化学式为REMO，其中RE为稀土元素，M为过渡金属元素。本发明的焦绿石型高熵氧化物固化体的化学稳定性优异，还可以将不同价态、种类的放射性核素固化在一种高熵氧化物基材的晶格中，便于深地质处置，丰富了放射性核废料固化处理基材的体系，该方法具有成本低、简单易行、适用范围广等优点。该工艺效率高、安全性好，有望应用于放射性核废料处理技术领域。
Pyrochlore type high-entropy oxide solidified body and preparation method thereof
The invention relates to a pyrochlore type high-entropy oxide solidified body and a preparation method thereof. The high-entropy oxide solidified body has a pyrochlore structure, and the chemical formula is RE2M2O7, wherein RE is a rare earth element, and M is a transition metal element. The pyrochlore-type high-entropy oxide solidified body of the invention has excellent chemical stability. Radioactive nuclides of different valence states and types can be solidified in crystal lattices of a high-entropy oxide base material, deep geological disposal is facilitated, , and the system of solidification treatment of base materials for radioactive nuclear waste is enriched. The method is low-cost, is simple and feasible and has a wide application range. The process is high in efficiency and good in safety, and is expected to be applied to the technical field of radioactive nuclear waste treatment.
本发明涉及一种焦绿石型高熵氧化物固化体及其制备方法，所述高熵氧化物固化体具有焦绿石结构，化学式为REMO，其中RE为稀土元素，M为过渡金属元素。本发明的焦绿石型高熵氧化物固化体的化学稳定性优异，还可以将不同价态、种类的放射性核素固化在一种高熵氧化物基材的晶格中，便于深地质处置，丰富了放射性核废料固化处理基材的体系，该方法具有成本低、简单易行、适用范围广等优点。该工艺效率高、安全性好，有望应用于放射性核废料处理技术领域。
Pyrochlore type high-entropy oxide solidified body and preparation method thereof
一种焦绿石型高熵氧化物固化体及其制备方法
ZHANG GUOJUN (Autor:in) / ZHOU LIN (Autor:in) / LI FEI (Autor:in) / LIU JIXUAN (Autor:in)
14.08.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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