摘要
扬水曝气是新型的水源水质改善技术,具有混合水体和向水体充氧的双重功效。结合开发的扬水曝气与化学氧化组合技术系统,研究其用于水源水质高负荷污染或突发性污染原位处理的可行性。研究结果表明,扬水曝气与化学氧化组合技术处理污染水源水是可行的,对水中污染物具有良好的去除效果:分别以高锰酸钾和氯气作为氧化剂,氨氮去除率分别达到61%和95%,CODMn去除率分别达到28%和37%,UV254去除率分别达到26%和43%。另外,扬水曝气的混合充氧作用对水中挥发性有机质及化学氧化过程生成的THMs等副产物也具有良好的去除效果。
Water-lifting aerator is a new-style device for raw water quality improvement, which can mix and oxygenate water at the same time. A new technical system composed of water-lifting aerator and chemical oxidation system was designed and manufactured to study the application possibility of this process on the heavily polluted or accidentally polluted raw water. The experimental results showed that the combined system was highly effective in treating the heavily polluted raw water. The removal rates of NH3-N, CODmn and UVz54 reached 61%, 28% and 26 respectively, when potassium permanganate was used as oxidant, and those reached 95%, 37% and 43% respectively when chlorine was used as oxidant. Beside, the mixing and oxygenating functions of the water-lifting aerator increased the removal efficiency of volatile organic and THMs produced in the chemical oxidation process.
出处
《给水排水》
CSCD
北大核心
2008年第12期52-55,共4页
Water & Wastewater Engineering
基金
国家高技术研究发展计划(863)项目(2007AA06Z302)
国家自然科学基金资助项目(50778147)
关键词
污染水源水
扬水曝气器
混合
化学氧化
Polluted raw water
Water-lifting aerator
Mix
Chemical oxidation
