Research on Safety of Reverse Osmosis to Treat Radioactive Wastewater
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摘要: 反渗透放射性废水处理系统的预处理系统工作方式为"叠片式过滤+超滤",其安全性分析和评估内容包括:工艺设备的可靠性、运行维护的安全性和退役安全性,以及反渗透膜组件的辐射安全估算。分析表明:通过合理的工艺设计可以保证反渗透系统的安全可靠,反渗透膜表面的剂量当量率小于0.04 mSv/h,能够保证操作人员的安全。Abstract: The security of reverse osmosis combined with a pretreatment process of disc filtration-ultrafiltration to treat the radioactive wastewater was analyzed and evaluated.Several aspects including reliability and security during operation,maintenance and decommissioning were investigated in this paper.Results showed that safe operation can be ensured by rational process design and scientific management.Estimation on radiation safety showed that the absorbed dose rate is below 0.04 mSv/h on the surface of reverse osmosis module,which can ensure the radiation safety of operators.
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Key words:
- Radioactive wastewater /
- Reverse osmosis /
- Radiation safety
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