Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of uranium dioxide nano material
The invention discloses a preparation method of a uranium dioxide nano material, and belongs to the technical field of nano materials. The preparation method comprises the following steps: uniformly mixing a uranyl nitrate solution and a sodium hydroxide solution, adding the mixture into a reaction kettle for hydrothermal reaction, cooling the reaction product to room temperature, washing the reaction product with water until the pH value is 7.5-8.5, drying and grinding the reaction product, putting the obtained powder into a tubular furnace, and introducing hydrogen for reduction, thereby obtaining the uranium dioxide nano material. By utilizing the preparation method of the uranium dioxide nano-material, UO2 ceramic nano-powder with controllable morphology, light agglomeration, uniform particle size, high specific surface area and good catalytic activity can be prepared on a large scale.
本发明公开了一种二氧化铀纳米材料的制备方法，属于纳米材料技术领域。所述的制备方法是将硝酸铀酰溶液与氢氧化钠溶液混合均匀，加入反应釜中水热反应，反应产物冷却到室温后水洗涤至pH为7.5‑8.5，烘干研磨，所得粉末置于管式炉中通入氢气还原，即制得二氧化铀纳米材料。利用本发明的二氧化铀纳米材料的制备方法，能够大规模制备形貌可控、团聚较轻、粒径均匀、比表面积较高、催化活性好的UO陶瓷纳米粉体。
Preparation method of uranium dioxide nano material
The invention discloses a preparation method of a uranium dioxide nano material, and belongs to the technical field of nano materials. The preparation method comprises the following steps: uniformly mixing a uranyl nitrate solution and a sodium hydroxide solution, adding the mixture into a reaction kettle for hydrothermal reaction, cooling the reaction product to room temperature, washing the reaction product with water until the pH value is 7.5-8.5, drying and grinding the reaction product, putting the obtained powder into a tubular furnace, and introducing hydrogen for reduction, thereby obtaining the uranium dioxide nano material. By utilizing the preparation method of the uranium dioxide nano-material, UO2 ceramic nano-powder with controllable morphology, light agglomeration, uniform particle size, high specific surface area and good catalytic activity can be prepared on a large scale.
本发明公开了一种二氧化铀纳米材料的制备方法，属于纳米材料技术领域。所述的制备方法是将硝酸铀酰溶液与氢氧化钠溶液混合均匀，加入反应釜中水热反应，反应产物冷却到室温后水洗涤至pH为7.5‑8.5，烘干研磨，所得粉末置于管式炉中通入氢气还原，即制得二氧化铀纳米材料。利用本发明的二氧化铀纳米材料的制备方法，能够大规模制备形貌可控、团聚较轻、粒径均匀、比表面积较高、催化活性好的UO陶瓷纳米粉体。
Preparation method of uranium dioxide nano material
一种二氧化铀纳米材料的制备方法
ZHAO YAOLIN (Autor:in) / ZUO FENG (Autor:in) / NIE SHAOWEI (Autor:in) / XIAO SONGTAO (Autor:in) / LIU XIECHUN (Autor:in) / JIANG LILI (Autor:in)
04.09.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C01G
Verbindungen der von den Unterklassen C01D oder C01F nicht umfassten Metalle
,
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
/
B01J
Chemische oder physikalische Verfahren, z.B. Katalyse oder Kolloidchemie
,
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
/
B82Y
Bestimmter Gebrauch oder bestimmte Anwendung von Nanostrukturen
,
SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
/
C04B
Kalk
,
LIME
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