| 絮凝沉淀处理含盐量较高的铀、钚低放废水 |
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| 引用本文： | 任俊树,牟涛,杨胜亚,赵玉杰,罗顺全.絮凝沉淀处理含盐量较高的铀、钚低放废水[J].核化学与放射化学,2008,30(4):201. |
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| 作者姓名： | 任俊树 牟涛 杨胜亚 赵玉杰 罗顺全 |
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| 作者单位： | 中国工程物理研究院,四川,绵阳,621900;中国工程物理研究院,四川,绵阳,621900;中国工程物理研究院,四川,绵阳,621900;中国工程物理研究院,四川,绵阳,621900;中国工程物理研究院,四川,绵阳,621900 |
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| 摘 要： | 针对含盐量较高的低放废水开展了絮凝沉淀处理技术研究.结果表明,钚在碱性条件下可被有效去除,增大絮凝剂投加量及降低废水初始pH可以提高铀的絮凝效果.pH的控制是获得铀的高去除率的关键.当Fe2 投加量为100 mg/L、废水初始pH为6时,铀的去除率可达95.5%以上.采用两次絮凝沉淀的方法,第二次沉淀时调节pH<7.0,Fe2 投加量控制在80 mg/L左右,可以使出水铀质量浓度降到10 μg/L以下.
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| 关 键 词： | 絮凝沉淀 低放废水 铀 钚 |
Treatment of High Salinity Low Level Radioactive Wastewater Containing Uranium and Plutonium by Flocculation |
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| REN Jun-shu,MU Tao,YANG Sheng-ya,ZHAO Yu-jie,LUO Shun-quan.Treatment of High Salinity Low Level Radioactive Wastewater Containing Uranium and Plutonium by Flocculation[J].Journal of Nuclear and Radiochemistry,2008,30(4):201. |
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| Authors: | REN Jun-shu MU Tao YANG Sheng-ya ZHAO Yu-jie LUO Shun-quan |
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| Affiliation: | REN Jun-shu,MU Tao,YANG Sheng-ya,ZHAO Yu-jie,LUO Shun-quan China Academy of Engineering Physics,P.O.Box 919(71),Mianyang 621900,China |
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| Abstract: | Treatment of low level radioactive wastewater with high salinity by flocculation was studied.The results show that plutonium can be removed effectively in alkaline condition,and that flocculation of uranium can be improved by increasing the dosage as well as decreasing the pH.The pH control is critical to obtaining high removal efficiency of uranium.The removal efficiency of uranium is over 95.5% by adjusting the pH to 6 and adding Fe2+ at a dosage of 100 mg/L.Two-step flocculation method was studied.The co... |
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| Keywords: | flocculation low level radioactive wastewater uranium plutonium |
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