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

机译:预处理以优化市政二级废水应用中的MF / RO设计和操作

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The Western Corridor Recycled Water (WCRW) Project is the largest recycled waterrnscheme to be constructed in Australia and will be the largest project of its kind in thernsouthern hemisphere. One of a number of drought relief initiatives of the QueenslandrnGovernment, the WCRW Project will involve building pipelines from six wastewaterrntreatment plants in Brisbane and Ipswich to three advanced water treatment plants forrntreatment before being transferred to end users. Luggage Point Advanced WastewaterrnTreatment Plant (AWTP) will contribute 70 ML/d of product water to the overall project, andrnis being designed and constructed on a fast-track basis to provide water treated throughrnmicrofiltration (MF), reverse osmosis (RO), and ultraviolet advanced oxidation (UV/AdOx) tornreplenish water in Wivenhoe Dam, a source of potable water supply for the region. PreviousrnMF/RO systems applied to municipal secondary effluent in the region have had issues withrnorganic or biological fouling, and have had product recovery limited due to calciumrnphosphate scaling. Luggage Point AWTP is being designed with high-rate clarificationrnpretreatment to provide reduction in soluble organics and precipitation of phosphorusrnupstream of the membrane processes. This presentation will summarize pilot testing of thernMF/RO/UV/AdOx process combination with upstream clarification performed during thernlatter half of 2007, and implications for design and operation of the membrane processes forrnthe plant, which is scheduled to go on line in late 2008.
机译:西部走廊循环水(WCRW)项目是澳大利亚建造的最大的循环水方案,并且将是南半球同类项目中最大的项目。 WCRW项目是昆士兰州政府多项抗旱举措之一,将涉及从布里斯班和伊普斯维奇的六个污水处理厂到三个先进的污水处理厂的管线建设,然后再转移给最终用户。行李点高级废水处理厂(AWTP)将为整个项目贡献70 ML / d的产品水,并且在快速通道的基础上设计和建造rnis以通过微滤(MF),反渗透(RO)和紫外线提供水处理先进的氧化(UV / AdOx)可以补充Wivenhoe大坝中的水,该水是该地区的饮用水供应源。以前在该地区的市政二级废水中使用的MF / RO系统存在有机或生物污垢问题,并且由于磷酸钙的结垢,产品回收率受到限制。 Luggage Point AWTP的设计经过了高澄清度的预处理,以减少膜过程中的可溶性有机物和磷的沉淀。本演讲将总结2007年下半年对rnMF / RO / UV / AdOx工艺组合进行的试点测试以及上游的澄清工作,以及该工厂的膜工艺设计和操作的意义,该工艺计划于2008年下半年投产。

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