臭氧组合工艺去除饮用水源水中有机物的效果

研究由臭氧氧化、生物处理、常规处理和活性炭吸附组成的臭氧组合工艺以及各单元工艺对饮用水源水中有机物的去除效果 .结果表明 ,由于预臭氧对有机物的氧化 ,减小了有机物的分子量 ,增加了可生物降解的有机物 ,从而强化了后续的生物处理和活性炭对有机物的去除 .整个工艺对有机物的控制能力很好 ,UV2 54、DOC、BDOC、AOC、THMFP和 HAAFP的去除率分别达到 95.1%、92.5%、98.4%、85.8%、63.1 %和 89.1% .预臭氧-生物陶粒的预处理对各有机物的去除效果在 50%左右 ,常规处理对各有机物的去除不尽相同 ,后臭氧 -活性炭对有机物的去除达到了 60 %左右 .

Removal of Organic Matters from Drinking Water Source by Ozonecombined Processes

In this paper the removal efficiencies of organic substances in drinking water source by ozonecombined processes composed of ozonation,biololgical process,conventional treatment and GAC adsorption as well as the different steps in this train were studied.Results indicated that preozonation enhanced the removal of organic substances by subsequent biological treatment and GAC because the ozonation of organic substances decreased the molecular size and increased biodegradability by products.Entire processes showed a good control ability of organic substances and the removal rates were 951% for UV 254,925% for DOC,984% for BDOC,858% for AOC,631% for THMFP and 891% for HAAFP.Pretreatment including preozonation and biodegradation resulted in an about 50% reduction in organic substances ,conventional treatment got different removal in different organic substances,intermediateozonation combined with GAC removed about 60% organic substances.