UV/H2O2工艺降解饮用水中有机微污染物研究进展

Research process of degradation of organic micro-pollutants in drinking water by UV/H2O2 process

UV/H2O2高级氧化工艺凭借高效、安全、成本低廉等优点,在处理含有机微污染物饮用水领域得到了广泛关注,对其反应机理、现存问题进行研究,有助于深入了解影响UV/H2O2高级氧化工艺有效性的因素,充分发挥其在饮用水处理领域的作用。文章介绍了UV/H2O2工艺降解有机物的基本原理,概述了UV、天然有机物浓度、溶液pH值、H2O2初始浓度、目标物初始浓度和水溶液中无机阴离子等因素对UV/H2O2工艺降解有机微污染物的影响,对UV/H2O2工艺转化产物问题、运行成本问题等现状进行了分析,对未来UV/H2O2工艺降解有机微污染物的研究重点进行了展望。

The UV/H2O2 advanced oxidation process has gained extensive attention in the field of treating drinking water containing organic micro-pollutants in recent years due to its high efficiency,safety and low cost;studying its reaction mechanism and existing problems will help to understand the factors affecting the effectiveness of UV/H2O2 advanced oxidation process and give full play to its role in drinking water treatment.The basic principle of degradation of organic matters by UV/H2O2 process was introduced,the effects of ultraviolet light,concentration of natural organic matters,pH value,initial concentration of hydrogen peroxide,initial concentration of target substance and inorganic anions in aqueous solution on degradation of organic micro-pollutants by UV/H2O2 process were expounded;the problems of conversion products and operation cost of UV/H2O2 process were summarized,and the future research emphasis of degradation of organic micro-pollutants by UV/H2O2 process was prospected.