本幻灯片演示概述了克利夫兰水务部皇冠水厂过滤器反洗流程的优化信息。主题包括:皇冠水厂数据；原水（伊利湖） 2003年的特点；过滤器图解；滤波器设计数据；原始反冲洗序列；反冲洗之前、期间和之后的过滤器评估过程；过滤器检查结果；优化反冲洗顺序；而且，主要的反冲洗变化。

This slide presentation outlines information on optimizing the filter backwash process at Crown Water Works, Cleveland Division of Water. Topics covered include: Crown Water Works data; raw water (Lake Erie) characteristics in 2003; filter illustration; filter design data; original backwash sequence; filter evaluation process before, during, and after backwash; filter inspection results; optimized backwash sequence; and, major backwash changes.