Supercritical water oxidation of spent extraction solvent simulants
Wang, S; Qin, Q; Chen, K; Xia, XB; Ma, HJ; Qiao, YB; He, LB; Xia, XB (reprint author), Chinese Acad Sci, Ctr Thorium Molten Salt Reactor Syst, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
2015
发表期刊NUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
卷号26期号:3页码:
文章类型期刊文献
摘要The rapid development of nuclear technology has led to more liquid organic radioactive wastes. Different from the regular aqueous radioactive wastes, these liquids possess a higher hazard potential and cannot be disposed through the conventional methods due to their radioactivity and chemical nature. Spent extraction solvent is a kind of common liquid organic radioactive wastes. In this work, tri-butyl phosphate (TBP), which is more difficult to degrade in the spent extraction solvent, was used as the model compound. Influences of reaction conditions on total organic carbon (TOC) removal and the volume percentage of each gas component under supercritical water oxidation (SCWO) were studied. The SCWO behaviors of spent extraction solvent simulants were studied under the optimal conditions derived from the TBP experiment. The SCWO experiments were studied at 400-550 degrees C, oxidant stoichiometric ratio of 0-200%, feed concentration of 1.5%-4% and pressure of 25 MPa for 15-75 s. The results show that the TOG removal of the simulants was greater than 99.7% and CH4, H-2 and CO were not detected at 550 degrees C, 25 MPa, oxidant stoichiometric ratio of 150%, feed concentration of 3%, and residence time of 30s.
关键词Critical Pressurized-water Waste-water Chemical-reactions Aqueous-solutions High-temperature Ferritic Steels Corrosion Kinetics Reactor Oxygen
语种英语
WOS记录号WOS:000358109700021
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25058
专题中科院上海应用物理研究所2011-2018年
通讯作者Xia, XB (reprint author), Chinese Acad Sci, Ctr Thorium Molten Salt Reactor Syst, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
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GB/T 7714
Wang, S,Qin, Q,Chen, K,et al. Supercritical water oxidation of spent extraction solvent simulants[J]. NUCLEAR SCIENCE AND TECHNIQUES,2015,26(3):—.
APA Wang, S.,Qin, Q.,Chen, K.,Xia, XB.,Ma, HJ.,...&Xia, XB .(2015).Supercritical water oxidation of spent extraction solvent simulants.NUCLEAR SCIENCE AND TECHNIQUES,26(3),—.
MLA Wang, S,et al."Supercritical water oxidation of spent extraction solvent simulants".NUCLEAR SCIENCE AND TECHNIQUES 26.3(2015):—.
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