水玻璃含量对偏高岭土-铀尾矿地聚合物质量损失和氡析出的影响

IF 1.5 3区化学 Q3 CHEMISTRY, ANALYTICAL

Journal of Radioanalytical and Nuclear Chemistry Pub Date : 2025-03-18 DOI:10.1007/s10967-025-10033-1

Juan Song, Feilong Pan, Haiyan Liu, Yong Liu

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引用次数: 0

摘要

以偏高岭土为外加剂，铀尾矿为骨料，以不同剂量的水玻璃和氢氧化钠为碱活化剂制备地聚合物，考察其失重率和氡析出率。试验结果表明，地聚合物样品中碱活化剂的用量对这些速率有显著影响。随着碱活化剂含量的增加，这两个速率都开始下降，然后上升。利用扫描电镜（SEM）、x射线衍射（XRD）和傅里叶变换红外光谱（FT-IR）分析了碱活化剂含量对地聚合物失重率和氡析出率的影响机理。

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Effect of water glass content on the mass loss and radon exhalation of geopolymers based on metakaolin-uranium tailings

In this study, the mass loss and radon exhalation rates of geopolymers prepared using different dosages of sodium silicate and sodium hydroxide as alkali activators, with metakaolin as an admixture and uranium tailings as an aggregate, were examined. The test results showed that the amount of alkali activator in the geopolymer specimens significantly influences these rates. Both rates initially decreased before increasing with the rise in alkali activator content. The influence mechanism of the alkali activator content on the mass loss and radon exhalation rates of geopolymers was elucidated and discussed by utilizing the results of SEM, XRD, and FT-IR.

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来源期刊

Journal of Radioanalytical and Nuclear Chemistry 化学-分析化学

CiteScore

2.80

自引率

18.80%

发文量

504

审稿时长

2.2 months

期刊介绍： An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.