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首页> 外文会议>Membrane technology 2008 >WASTEWATER REUSE VIA MBR AND TERTIARY MEMBRANEFILTRATION –CASE STUDIES
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WASTEWATER REUSE VIA MBR AND TERTIARY MEMBRANEFILTRATION –CASE STUDIES

机译：通过MBR和三级膜过滤进行废水回用–案例研究

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摘要

Rapid population growth and scarce fresh water sources have resulted in the exploitationrnof more abundant but lower-quality water sources including brackish water andrnwastewater effluent. With the reducing cost of membranes, reverse osmosis (RO) coupledrnwith low pressure (LP) membranes (microfiltration/ultrafiltration, MF/UF) forrndesalination and wastewater reuse becomes a primary strategy to exploit water of lowerrnquality. Compared to desalination, effluent wastewater reuse (for both non-potable andrnpotable purposes) has major advantages regarding cost and sustainable environmentalrnbenefits which have facilitated its adoption. The two main membrane-based wastewaterrnreclamation and reuse treatment methods for non-potable water usage are the use of lowrnpressure membrane as a tertiary treatment process after conventional biologicalrnwastewater treatment (CAS-MF), and membrane biological reactor (MBR). For advancedrnreuse applications, the level of treatment can be complemented by RO.rnThis paper reviews and compares the two wastewater treatment processes, CAS-MF andrnMBR, with regard to effluent water quality, cost analyses, and their impacts of effluentrnnatural organic matter characteristics. Performance results and cost analysis of twornsewage treatment plants, CAS-MF and MBR, in Australia are compared. Wastewaterrneffluent characterization was conducted at plants and pilot sites in Asia, Australia andrnNorth America.
机译：人口的快速增长和淡水的稀缺导致剥削的水量增加了，但水质较差，其中包括咸水和废水。随着膜成本的降低，反渗透（RO）与低压（LP）膜（微滤/超滤，MF / UF）的脱盐和废水回用耦合成为开发劣质水的主要策略。与海水淡化相比，废水再利用（用于非饮用水和不可饮用水目的）在成本和可持续环境效益方面具有主要优势，这有利于采用。用于非饮用水的两种主要的基于膜的废水回收和再利用处理方法是，在常规生物废水处理（CAS-MF）和膜生物反应器（MBR）之后，将低压膜用作第三处理工艺。对于高级回用应用，可以在RO的基础上补充处理水平。本文就废水水质，成本分析及其对废水天然有机物特性的影响，回顾并比较了CAS-MF和rnMBR这两种废水处理工艺。比较了澳大利亚两个污水处理厂CAS-MF和MBR的性能结果和成本分析。在亚洲，澳大利亚和北美洲的工厂和试点进行废水废水表征。

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