Research of Preparation of Large Diameter Ceramic UO<sub>2</sub> Spherite by Sol-Gel

MENG Qingyang; TANG Xiangyang; LIU Jinhong; ZHU Changgui

Mar. 2025

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MENG Qingyang, TANG Xiangyang, LIU Jinhong, ZHU Changgui. Research of Preparation of Large Diameter Ceramic UO2 Spherite by Sol-Gel[J]. Nuclear Power Engineering, 2011, 32(4): 1-5.

Citation:

MENG Qingyang, TANG Xiangyang, LIU Jinhong, ZHU Changgui. Research of Preparation of Large Diameter Ceramic UO₂ Spherite by Sol-Gel[J]. Nuclear Power Engineering, 2011, 32(4): 1-5.

MENG Qingyang, TANG Xiangyang, LIU Jinhong, ZHU Changgui. Research of Preparation of Large Diameter Ceramic UO2 Spherite by Sol-Gel[J]. Nuclear Power Engineering, 2011, 32(4): 1-5.

Citation:

MENG Qingyang, TANG Xiangyang, LIU Jinhong, ZHU Changgui. Research of Preparation of Large Diameter Ceramic UO₂ Spherite by Sol-Gel[J]. Nuclear Power Engineering, 2011, 32(4): 1-5.

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Research of Preparation of Large Diameter Ceramic UO₂ Spherite by Sol-Gel

1. Chemical Engineering Institute, Sichuan University, Chengdu, 610041, China;
2. National Key Laboratory for Nuclear Fuel and Materials, Nuclear Power Institute of China, Chengdu, 610041, China

Received Date: 2011-03-15
Available Online: 2025-03-08

Abstract

Abstract

Ceramic UO₂ spherites with diameter of 2-3mm are prepared from depleted uranium by Sol-Gel method.The whole process includes incineration,dissolution,mixing,gelatinization,aging,washing,dry incineration,reducing sintering,and optimization.The physical and chemical analysis results indicate that the inner structure of the UO₂ spherite is compact and homogeneous,which density is 97±2% T.D.;The content of impurity is low;The O/U is 2.00±0.01;The average diameter is 2.6 mm;The sphericity is less than 1.10,and the average sphericity is 1.06.
- Sol-Gel,
- Ceramic,
- UO₂,
- Spherical fuel