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UV Advanced Oxidation Process for Taste and Odor Treatment: Evaluation of Assimilable Organic Formation Potential at an Indiana WTP 用于味觉和气味处理的紫外线高级氧化工艺:印第安纳水处理厂可同化有机物形成潜力的评估
发布日期: 2008-11-01
本powerpoint演示文稿首先简要概述了水处理厂(WTP)的几个大型味觉和气味(T&O)事件,促使该公司 考虑安装T&O还原处理。选择了一种紫外线(UV)高级氧化工艺(AOP),并对 台架试验包括以下内容: 评估紫外线AOP对MIB氧化的有效性 过滤水;评估该区域的两种水质状况 在湖泊更替末期收集的水(12月) 样本); 湖泊周转后收集的水(2月样本); 确定是否有成品水 MIB水平目标为5纳克/升 实现;和 确定AOC水平是否显著降低 由于UV AOPs而发生变化。 实验室规模UV AOP测试得出的结论包括: UV AOP显示减少了5对数 在MIB中; 水质参数 没有受到影响;AOC略有增加 来自UV AOPs; UV AOP可以 位于 过滤;和 过氧化物残留的淬火 这是必要的。根据治疗的台架试验完成了成本比较 技术。演示摘要和结论表明:UV AOP可以提供高水平的MIB 减少(>5对数);AOC的创建是合理和允许的 将紫外线反应器放置在下游 现有过滤器的性能; AOC的创建是针对水质的; UV AOP与臭氧相比具有成本竞争力 和广汽;还有 该项目正在推进设计 紫外线AOP设施。包括表格、数字。
This powerpoint presentation begins by providing a brief overview of several large taste and odor (T&O) events at a water treatment plant (WTP) which prompted the utility to consider installing T&O reduction treatment. An Ultraviolet (UV) Advanced Oxidation Process (AOP) was selected, and specific objectives for bench-scale testing included the following: evaluate UV AOP effectiveness for MIB oxidation on filtered water; evaluate two water quality conditions in the water collected at the tail end of the lake turnover (December sample); water collected after the lake turnover (February sample); determine if finished water MIB level goal of 5 ng/L can be achieved; and, determine if AOC levels significantly change as a result of UV AOPs. Conclusions from bench-scale UV AOP testing included the following: UV AOP showed over a 5 log reduction in MIB; water quality parameters were not impacted; AOC had a small increase from UV AOPs; UV AOPs can be located downstream of filtration; and, quenching of peroxide residual is necessary. A Cost comparison was completed based on bench-scale testing for treatment technologies. Presentation summary and conclusions indicate the following: UV AOPs can provide high levels of MIB reduction (>5 log); AOC creation was reasonable and allowed for UV reactors to be placed downstream of existing filters; AOC creation is water quality specific; UV AOP was cost competitive with ozone and GAC; and, the project is moving forward with design of UV AOP facility. Includes 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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