Effect of silica fume on reaction products of uranium(Ⅵ)with Portland cement

TAN Hongbin1; 2 LI Yuxiang1 1

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Effect of silica fume on reaction products of uranium(Ⅵ)with Portland cement

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- Effect of silica fume on reaction products of uranium(Ⅵ)with Portland cement
- NUCLEAR TECHNIQUES Issue 10, (2005)
- 作者机构：
  
  1. 西南科技大学材料学院
  2. 西南科技大学材料学院绵阳621002 陕西理工学院汉中,723003
- 作者简介：
- 基金信息：
  
  国家自然科学基金(编号:10376028);中国工程物理研究院基金资助
- DOI：
  CLC： TQ172
- Published：01 October 2005
- 稿件说明：
移动端阅览
[1]谭宏斌,李玉香.硅灰对铀(Ⅵ)与硅酸盐水泥反应产物的影响[J].核技术,2005(10):779-782.

TAN Hongbin1, 2 LI Yuxiang1 1. Effect of silica fume on reaction products of uranium(Ⅵ)with Portland cement[J]. Nuclear techniques, 2005, (10): 779-782.
[1]谭宏斌,李玉香.硅灰对铀(Ⅵ)与硅酸盐水泥反应产物的影响[J].核技术,2005(10):779-782. DOI：

TAN Hongbin1, 2 LI Yuxiang1 1. Effect of silica fume on reaction products of uranium(Ⅵ)with Portland cement[J]. Nuclear techniques, 2005, (10): 779-782. DOI：

摘要

用硝酸铀酰[UO2（NO3）2·6H2O]模拟放射性废物铀（Ⅵ）

在硅酸盐水泥中加入15%、25%、30%、35%、40%的硅灰;在180℃水热条件下反应一周后

研究不同硅灰掺量的硅酸盐水泥与铀（Ⅵ）反应的产物。用X射线衍射分析仪（XRD）检测反应产物

结果表明:在硅灰掺量为30%时

重铀酸钙开始转变为硅钙铀矿。

Abstract

Simulation of radioactive waste of U(VI) by uranyl nitrate and the effects of different additive quantities (12%

20%

30%

35%

40%) of silica fume on the products of U(VI) with Portland cement were studied at a hydrothermal condition of 180℃ for a duration of one week. The X-ray powder diffraction examination results showed that the calcium uranate would be transformed into uranophane when the cement contained 30% silica fume.

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