CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Synthesis of thorium sol for fabricating fuel kernels
Wang, FX; Yan, C; Cao, CQ; Wang, P; Huang, H; Jiang, HT; Lin, J; Cheng, ZX; Zhu, ZY
2017
Source PublicationNUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
Volume28Issue:7Pages:-
Subtype期刊论文
AbstractTo fabricate thorium-based fuel kernel for solid fuel molten salt reactor, a component of tri-structural isotropic fuel particles is mostly based on sol-gel method. The preparation of thorium sol is an important step for fabrication of thorium-based fuel kernels, such as thorium carbide and thorium oxide. The gel quality affects the gel particle dispersion and the final products. In this work, thorium sols were prepared using Th(NO3)(4) and NH3 center dot H2O by sol-gel method. The effects of thorium concentration, mole ratio of NH4+/NO3- and reaction temperature on the pH, viscosity, turbidity, particle size and the thorium sol distribution were investigated. The results show that the viscosity and turbidity increased with the NH4+/NO3- ratio; the turbidity and colloidal particle size increased with the reaction temperature, which affected little the sol viscosity; the sol viscosity increased with the thorium concentration, which virtually did not change the turbidity; and the particle size decreased and the size distribution narrowed with increasing thorium concentration. The sol could be stored at room temperature for one day without significant property changes. Thorium gel spheres of good quality were prepared at 60 degrees C with the NH4+/NO3- ratio of 75-85% and the thorium concentration of 1.2-1.4 mol/L.
KeywordImpregnation Technique Microspheres (Th u)O-2 Pellets
DOI10.1007/s41365-017-0243-6
Indexed BySCI
WOS KeywordIMPREGNATION TECHNIQUE ; (TH,U)O-2 PELLETS ; MICROSPHERES
Language英语
WOS IDWOS:000402896500007
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28850
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Wang, FX,Yan, C,Cao, CQ,et al. Synthesis of thorium sol for fabricating fuel kernels[J]. NUCLEAR SCIENCE AND TECHNIQUES,2017,28(7):-.
APA Wang, FX.,Yan, C.,Cao, CQ.,Wang, P.,Huang, H.,...&Zhu, ZY.(2017).Synthesis of thorium sol for fabricating fuel kernels.NUCLEAR SCIENCE AND TECHNIQUES,28(7),-.
MLA Wang, FX,et al."Synthesis of thorium sol for fabricating fuel kernels".NUCLEAR SCIENCE AND TECHNIQUES 28.7(2017):-.
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