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Journal AWWA - Ozonation: Assessing Its Role in the Formation and Control of Disinfection By-products AWWA期刊-臭氧氧化:评估其在消毒副产物形成和控制中的作用
发布日期: 1989-08-01
由于1986年对《安全饮用水法》的修正案,消毒实践产生的氯化副产品数量将越来越多地受到监管。因此,臭氧被更频繁地用于控制三卤甲烷和其他消毒副产物(DBPs)。为了评估臭氧氧化对饮用水中DBPs形成和控制的影响,在四家公用事业公司进行了研究。对每个工厂的工艺线进行了全面或中试规模的处理改造,以将臭氧纳入处理过程。在臭氧添加到处理列之前和之后收集样本,并分析所选DBP。总的来说,采用臭氧氧化后再进行氯胺化的处理序列在减少三卤甲烷和其他卤化DBP方面最有效。然而,在一些化合物中,如氯化苦和醛类中发现了增加。包括30个参考文献、表格和图表。
An increasing number of chlorinated by-products resulting from disinfection practices will be regulated as a result of the 1986 amendments to the Safe Drinking Water Act. Consequently, ozone is being employed more frequently for the control of trihalomethanes and other disinfection by-products (DBPs). To evaluate the impact of ozonation on the formation and control of DBPs in drinking water, studies were conducted at four utilities. Treatment modifications were made on the process trains at each plant either at full or pilot scale to incorporate ozone in the treatment process. Samples were collected before and after ozone was added to the treatment train and were analyzed for selected DBPs. In general, treatment trains that employed ozonation followed by chloramination were the most effective in reducing trihalomethanes and other halogenated DBPs. Increases were found, however, in some compounds such as chloropicrin and aldehydes. Includes 30 references, tables, figures.
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发布单位或类别: 美国-美国给水工程协会
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