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首页> 外文会议>Water Environment Federation annual technical exhibition and conference >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：流速和介质渐变对雨水过滤最佳管理实践的成本性设计的影响，用于去除总悬浮固体

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摘要

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赖于物理培养基，用于从雨水径流中去除固体。该物理介质可以由任何数量的材料组成，这些材料又可以存在于许多不同的灰度中，并且在许多不同的过滤速率下操作，并非所有这些都是相对于短期和长期性能的最佳的最佳状态。三种珍珠岩介质配置受到相同的过滤试验，以评估其在高过滤率条件下的性能。使用径向流过滤器盒进行评估，并在旁面比较性能，以去除硅晶材料。结果表明，媒体渐变和过滤速率似乎是相关的，因为这两个变量的正确组合必须结婚，以便性能显着不同于基于操纵其中一个变量的操作。本研究的结论提高了对雨水过滤BMP设计的基础认识。

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