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Impact of Chlorine Dioxide on Distribution System Water Quality 二氧化氯对配水系统水质的影响
发布日期: 2008-11-01
本powerpoint演示文稿首先提供演示文稿的大纲,包括以下内容:ClO2及其发行中的副产品 系统; 出现ClO2、ClO2-和ClO3-; ClO2、ClO2和ClO3的命运; ClO2对水质的影响; 味道和气味; 天然有机物(NOM)、生物量和硝化作用;和 腐蚀陈述摘要和结论如下: ClO2在分配系统中的命运; 当 ClO2用作残留消毒剂; ClO2可能在Cl2存在的情况下进行改革; ClO2-在分配系统中的命运; 多变,没有趋势; 随着水龄的增加而减少;ClO3-在配电系统中的命运; 当ClO2用作 残留消毒剂; Cl2的存在增加;在空气中形成难闻的气味 当ClO2用作 残留消毒剂; 成功案例; ClO2对生物量的可变影响;可能有助于控制硝化作用; ClO2对腐蚀的影响: 可能不会促进腐蚀超过Cl2M/sub> 或一氯胺; 腐蚀副产物将ClO2还原为ClO2-, 然后Cl-。包括表格、数字。
This powerpoint presentation begins by providing an outline of the presentation that includes the following: ClO2 and its byproducts in distribution systems; occurrence of ClO2, ClO2- and ClO3-; fate of ClO2, ClO2- and ClO3-; effect of ClO2 on water quality; tastes and odors; natural organic matter (NOM), biomass, and nitrification; and, corrosion. Presentation summary and conclusions indicate the following: fate of ClO2 in distributions systems; decrease with increasing water age when ClO2 is used as residual disinfectant; ClO2 may reform in presence of Cl2; fate of ClO2- in distributions systems; variable, no trends; decrease with increasing water age; fate of ClO3- in distribution systems; generally stable when ClO2 is used as residual disinfectant; increase in presence of Cl2; formation of offensive odors at customers' houses when ClO2 is used as residual disinfectant; successful cases; variable effects of ClO2 on biomass; may help control nitrification; effects of ClO2 on corrosion: may not promote corrosion anymore than Cl2M/sub> or monochloramine; corrosion byproducts reduce ClO2 into ClO2-, then Cl-. Includes tables, figures.
分类信息
发布单位或类别: 美国-美国给水工程协会
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