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Long-Term Planning for Water Quality to Comply with Stage 2 DBP Rule; Planning, Piloting and Costing 水质符合第2阶段DBP规则的长期规划;规划、试点和成本核算
发布日期: 2004-11-15
基于论文的评价采用了水处理厂的模拟模型和该市的 在水力模型中,将现有过滤器转换为过滤吸附器是最重要的 适当的流程改进,以符合即将到来的第2阶段D/DBP规则。中国的媒体 这些过滤器吸附器预计将在一定的时间间隔内更换,以达到足够的效率 通过吸附和生物降解去除前体。城市也将考虑纳入 臭氧氧化在其处理过程中的作用,以尽量减少颗粒活性炭(GAC)的更换频率。 后来的 研究阶段的重点是通过以下方式进一步完善过滤吸附器的设计标准: 试点研究。利用试点研究的结果确定分项成本 对流程改进进行评估。该市目前正在展示 全尺寸过滤吸附器的性能。水处理的综合方法 介绍了遵守即将出台的D/DBP法规的规划。包括表格、数字。
Based on paper evaluation using water treatment plant simulation models and the City's hydraulic model, conversion of the existing filters to filter adsorbers were found to be the most appropriate process improvements to comply with upcoming Stage 2 D/DBP Rule. The media in these filter adsorbers are expected to be replaced at certain intervals to achieve adequate precursor removal by adsorption and biodegradation. The City will also consider the inclusion of ozonation in its treatment process to minimize granular activated carbon (GAC) replacement frequency. Subsequent phases of the study focused on further refinement of the filter adsorber design criteria through pilot-scale studies. Results of the pilot scale studies were utilized to determine an itemized cost estimate for the process improvements. The City is currently in the process of demonstrating the performance of filter adsorber on a full-scale basis. A comprehensive approach to water process planning for compliance with upcoming D/DBP regulations is presented. 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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