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首页> 外文会议>Membrane technology 2008 >ENERGY-EFFICIENT EXTERNAL MBR DESIGN SIMPLIFIES PLANTUPGRADES TO PRODUCE REUSE QUALITY WATER
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ENERGY-EFFICIENT EXTERNAL MBR DESIGN SIMPLIFIES PLANTUPGRADES TO PRODUCE REUSE QUALITY WATER

机译：高效的外部MBR设计简化了工厂的升级，从而生产出回用优质水

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摘要

There is a continuing need to expand and upgrade the treatment capability of existingrnwastewater treatment facilities. Membrane bioreactor (MBR) technology is proven tornprovide reuse quality water and offers a unique capability to do this upgrading whilernminimizing the need to build additional tanks or use more space on site. A new MBRrntechnology using external, tubular membranes arranged into membrane “skids” greatlyrnsimplifies plant upgrading and retrofitting by placing the membranes outside of thernbioreactor, rather than immersing them in the mixed liquor. The flexibility offered by thisrnexternal membrane design now makes an MBR upgrade practical for any suspendedrngrowth treatment plant, regardless of its bioreactor configuration or tank dimensions. Inrnaddition, the operating cost of the innovative, external membrane system is less than anrnimmersed system due to the inclusion of a unique airlift that internally air scours andrncleans the tubular membranes as they operate. As a result, significantly less scour air isrnrequired than with immersed systems, and the overall operating cost of the MBR systemrnis reduced.
机译：持续需要扩展和升级现有废水处理设施的处理能力。膜生物反应器（MBR）技术被证明可以提供可重复使用的优质水，并且具有进行这种升级的独特功能，同时又可以最大程度地减少建造更多水箱或在现场使用更多空间的需求。一种新的MBRrn技术，它使用布置在膜“橇”中的外部管状膜，将膜置于生物反应器的外部，而不是将其浸入混合液中，从而极大地简化了植物的升级和改造。现在，这种外部膜设计所提供的灵活性使得MBR升级对于任何悬浮的生长处理厂来说都是可行的，而不管其生物反应器的配置或罐的尺寸如何。此外，创新的外部膜系统的运行成本比沉浸式系统要低，这是因为包含了独特的气举，该气举在运行时会内部冲刷并清洗管状膜。结果，与浸入式系统相比，所需的冲刷空气明显减少，并且MBR系统的总体运行成本得以降低。

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