摘要
对于微污染水源水中天然有机物(NOMs)、藻毒素、农药等有毒有害物质,常规的水处理工艺不仅去除效果十分有限,而且会增加消毒副产物。膜分离技术是有效的解决方法之一,但如何制备新型膜材料、减少膜污染是实现膜分离技术在饮用水生产中应用的关键技术;TiO2催化氧化与膜处理技术联用后,可以提高膜通量,杀死细菌和有效减轻膜污染;在膜制备过程中TiO2不仅可以直接制备成膜,而且还可以杂合无机膜或有机膜制备复合膜,能够明显改善膜的亲水性,提高膜通量,在膜分离过程中同时具有催化性能。
The effects of conventional water process is very limited in the treatment of natural organic matters （NOMs）, alga toxins, pesticides in the micro-polluted raw water, and even produce the disinfection by-products. Membrane separation technology is an effective method to solve the problem, but how to prepare the new type membrane material, decrease membrane fouling are the key technology in the application of membrane separation in drinking water treatment; the com- bination of TiO2 catalyst with membrane treatment can increase the membrane flux, terminate germ, and alleviate membrane fouling effectively; in the membrane preparation process, TiO2 can not only be made into membrane directly but also combined with inorganic membrane or organic membrane to produce the composite membrane, which can obviously improve the hydrophilicity of membrane, increase membrane flux, and act as catalyst in the membrane separation process.
出处
《给水排水》
CSCD
北大核心
2010年第2期117-121,共5页
Water & Wastewater Engineering
基金
国家"水体污染控制与治理"科技重大专项(2008ZX07421-006)
"十一五"国家科技支撑计划项目(2006BAJ08B02)
关键词
饮用水
TIO2
催化氧化
膜
膜污染
Drinking water
TiO2
Catalytic oxidation
Membrane
Membrane fouling
