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首页> 外文会议>2011 Membrane technology conference amp; exposition. >Demonstrating Improved RO Membrane Performance When Reclaiming Secondary Municipal Waste
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Demonstrating Improved RO Membrane Performance When Reclaiming Secondary Municipal Waste

机译：在回收二次城市垃圾时展示出提高的反渗透膜性能

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The Orange County Water District (OCWD) of Southern California conducted side by side testing of the latest available RO membrane technology in parallel with membranes currently operating in their Ground Water Replenishment System (GRWS). The new RO elements were installed in a satellite vessel attached to the first stage of an existing three stage train. The new membrane performance was monitored for twelve months and compared to the performance of the existing membranes which had been in operation for two years. The new elements demonstrated lower differential pressure, lower feed pressures and less fouling. The construction of the new elements included thicker 34 mil feed/brine spacer which led to lower differential pressure loss and a lower tendency for fouling. Despite the thicker spacer, the new elements were constructed with the same membrane area as the existing elements and could therefore be operated at the same flux and flow. This paper will present the comparative operating data which demonstrates the improved performance of the latest RO membrane chemistry and element design. The data will be used to demonstrate the potential for reduced operating cost associated with using the improved elements in a full scale system.
机译：南加州的奥兰治县水区（OCWD）对最新的反渗透膜技术与目前在其地下水补给系统（GRWS）中运行的膜进行了并行测试。新的反渗透元件安装在附属于现有三级列车第一级的卫星船上。监测新膜的性能十二个月，并将其与已经运行两年的现有膜的性能进行比较。新元件显示出更低的压差，更低的进料压力和更少的结垢。新元件的结构包括较厚的3,400万密耳的进料/盐水隔板，从而降低了压差损失并降低了结垢的可能性。尽管隔板较厚，但新元件的膜面积与现有元件相同，因此可以以相同的流量和流量运行。本文将提供比较的操作数据，这些数据证明了最新反渗透膜化学和元素设计的改进性能。该数据将用于证明与在全尺寸系统中使用改进的元件相关的降低运营成本的潜力。

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