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Pretreatment to Optimize MF/RO Design and Operation in a Municipal Secondary Effluent Application

机译:预处理优化市政二级污水应用中的MF / RO设计和操作

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The Western Corridor Recycled Water (WCRW) Project is the largest recycled water scheme to be constructed in Australia and will be the largest project of its kind in the southern hemisphere. One of a number of drought relief initiatives of the Queensland Government, the WCRW Project will involve building pipelines from six wastewater treatment plants in Brisbane and Ipswich to three advanced water treatment plants for treatment before being transferred to end users. Luggage Point Advanced Wastewater Treatment Plant (AWTP) will contribute 70 ML/d of product water to the overall project, and is being designed and constructed on a fast-track basis to provide water treated through microfiltration (MF), reverse osmosis (RO), and ultraviolet advanced oxidation (UV/AdOx) to replenish water in Wivenhoe Dam, a source of potable water supply for the region. Previous MF/RO systems applied to municipal secondary effluent in the region have had issues with organic or biological fouling, and have had product recovery limited due to calcium phosphate scaling. Luggage Point AWTP is being designed with high-rate clarification pretreatment to provide reduction in soluble organics and precipitation of phosphorus upstream of the membrane processes. This presentation will summarize pilot testing of the MF/RO/UV/AdOx process combination with upstream clarification performed during the latter half of 2007, and implications for design and operation of the membrane processes for the plant, which is scheduled to go on line in late 2008.
机译:西部走廊再生水(WCRW)项目是澳大利亚建造的最大的再生水计划,将是南半球南半球最大的项目。昆士兰州政府的多项干旱救济举措之一,WCRW项目将涉及从布里斯班和Ipswich的六个废水处理厂建造管道,以便在转移到最终用户之前治疗三个先进的水处理厂。行李点先进的废水处理厂(AWTP)将为整个项目提供70毫升/ d产品水,并在快速轨道的基础上设计和构造,以提供通过微滤(MF)处理的水,反渗透(RO) ,紫外线氧化(UV / Adox)在Wivenhoe水坝中补充水,该区域的饮用水来源。以前应用于该地区市中次学污水的先前MF / RO系统已经存在有机或生物污垢问题,并且由于磷酸钙缩放,具有产品回收限制。行李点AWTP采用高速澄清预处理设计,可降低膜工艺上游的可溶性有机物和磷的沉淀。本演示文稿将总结MF / RO / UV / ADOX工艺组合的试验测试与2007年后半段进行的上游澄清,以及对工厂的膜工艺的设计和操作的影响,计划继续进行2008年底。

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