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首页> 外文会议>Water Environment Federation annual technical exhibition and conference;WEFTEC 2003 >INFLUENCE OF FLOW RATE AND MEDIA GRADATION ON THE COSTEFFECTIVE DESIGN OF STORMWATER FILTRATION BEST MANAGEMENT PRACTICES FOR THE REMOVAL OF TOTAL SUSPENDED SOLIDS
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INFLUENCE OF FLOW RATE AND MEDIA GRADATION ON THE COSTEFFECTIVE DESIGN OF STORMWATER FILTRATION BEST MANAGEMENT PRACTICES FOR THE REMOVAL OF TOTAL SUSPENDED SOLIDS

机译：流速和介质梯度对去除总悬浮液的储液池过滤最佳管理方法的协同设计的影响

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Filtration-based stormwater treatment relies upon a physical medium for the removal of solids from stormwater runoff. This physical medium can be composed of any number of materials, which in turn can exist in many different gradations and be operated at many different filtration rates, not all of which are optimal with respect to short and long-term performance needs. Three perlite media configurations were subject to identical filtration tests to assess their performance under high and low filtration rate conditions. Evaluations were conducted using a radial flow filter cartridge and performance was compared on a side-by-side basis for the removal of a silttextured material. The results indicate that media gradation and filtration rate appear to be related in that the correct combination of these two variables must be married in order for performance to be significantly different than that which would be observed based upon manipulation of one of these variables alone. The conclusions of this study enhance the foundational understanding of stormwater filtration BMP design.
机译：基于过滤的雨水处理依靠物理介质从雨水径流中去除固体。该物理介质可以由多种材料组成，这些材料又可以以许多不同的层次存在，并可以以许多不同的过滤速率进行操作，就短期和长期性能需求而言，并不是所有的方法都是最佳的。对三种珍珠岩介质配置进行相同的过滤测试，以评估其在高和低过滤速率条件下的性能。使用径流式滤芯进行评估，并逐项比较性能，以去除淤泥状材料。结果表明，介质的分级和过滤速率似乎是相关的，因为必须将这两个变量的正确组合结合在一起，才能使性能与单独操纵这些变量之一所观察到的性能显着不同。本研究的结论增强了对雨水过滤BMP设计的基础理解。

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