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UV Disinfection for the City of Winnipeg - a Unique Combination of Unfiltered and Filtered Water Supplies 温尼伯市紫外线消毒-未过滤和过滤供水的独特组合
发布日期: 2004-06-17
为了满足日益严格的监管要求和公众期望 加拿大马尼托巴省温尼伯市多年来进行了深入分析和试点测试,以确定 可处理性和水处理工艺最适合其原水供应。 所选的处理工艺包括紫外线(UV)对细菌进行初步消毒 过滤水。然而,该市认识到,在建造水处理厂(WTP)之前,该市将 提前安装紫外线消毒迪肯水库的水,将对公众健康产生重大益处。有鉴于此,该市开始调查紫外线消毒系统在城市道路上的使用情况 未经过滤的供应品。 美国水务协会研究基金会的资金支持 2000年,该市主持了一项研究,以评估使用紫外线消毒的可行性 在未经过滤的水源上。本实验设计旨在进行以下三个方面的研究 可以同时进行: 紫外线先导试验计划持续进行了14个月,以帮助确定 灯污染率和清洁要求等要求; 定期进行紫外线灭活研究,以验证 针对不同水质的消毒效率;和 消毒副产品的实验室研究,以确定可能的 一次消毒转化为紫外线时消毒副产物(DBPs)的控制策略 消毒。 该研究项目的目标之一是确定紫外线消毒是否有效 可行的初级消毒技术,可在试验前临时使用 WTP正在运行。包括表格、数字。
In order to meet increasingly stringent regulatory requirements and public expectations, an intensive analysis and pilot testing program was conducted by the City of Winnipeg, Manitoba, Canada over a number of years to define the treatability and water treatment processes most appropriate for its raw water supply. The selected treatment process included ultraviolet light (UV) for primary disinfection of the filtered water. The City recognized, however, that prior to construction of a water treatment plant (WTP) there would be significant public health benefits from early installation of UV for disinfection of the Deacon Reservoir water. In light of this, the City began investigating the use of UV disinfection systems on unfiltered supplies. With funding support from the American Water Works Association Research Foundation (AWWARF), the City hosted a study in 2000 to assess the viability of using UV disinfection on its unfiltered water supply. The experimental design was developed so that the following three areas of investigation could be conducted simultaneously: UV pilot testing program conducted continuously over 14 months to assist in determining requirements such as lamp fouling rates and cleaning requirements; UV inactivation studies conducted periodically to verify collimated beam tests of disinfection efficiency, for variable water quality; and, bench-scale and laboratory studies of disinfection byproducts to determine possible control strategies for disinfection byproducts (DBPs) when converting to UV for primary disinfection. One of the goals of the research program was to determine whether UV disinfection was a viable primary disinfection technology that could be used on an interim basis before the WTP was operational. 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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