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低浓度含铀废水处理技术研究进展

Research progress on treatment technologies for low-concentration uranium-containing wastewater

  • 摘要: 铀矿开采和加工产生了大量不同类型的低浓度含铀废水,严重威胁矿区生态环境和居民身心健康?简述了低浓度含铀废水特点,总结了国内外各种处理工艺研究现状及优缺点,包括化学沉淀法、吸附法?膜过滤法?离子交换法?蒸发浓缩法?萃取法?可渗透反应墙技术、微生物修复技术、植物修复技术?光催化还原技术及联合处理技术,并认为多学科(化学、生物、物理、材料等)交叉是突破低浓度含铀废水处理关键技术的新途径?

     

    Abstract: Uranium mining and processing generate a large amount and various types of low-concentration uranium-containing wastewater,which seriously threatens the ecological environment of mining areas and the physical and mental health of residents.This paper briefly describes the characteristics of uranium wastewater and summarizes the current status of the research on the treatment technologies for wastewater at home and abroad as well as their advantages and disadvantages,including chemical precipitation,adsorption,membrane filtration,ion exchange,evaporation concentration,extraction,permeable reactive barrier technology,microbial remediation technology,phytoremediation technology,photocatalytic reduction technology,and combined treatment technologies.It is believed that multidisciplinary integration (chemistry,biology,physics,materials,etc.) is a new approach to breakthrough the key technologies for the treatment of low-concentration uranium-containing wastewater.

     

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