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Impact of Coagulation Pretreatment of Tertiary UF Membranes on EDC and Phosphorus Removal and Membrane Performance 三级超滤膜混凝预处理对EDC、除磷及膜性能的影响
发布日期: 2009-11-01
本powerpoint演示文稿首先介绍已完成工作和正在进行的工作的研究目标。已完成工作的目标包括: 确定总悬浮固体和胶体颗粒的影响 天然有机物对短期和长期膜污染的影响 费率; 硫酸铝和氯化铁剂量的测定 这最大限度地提高了台架规模的总磷去除率,以及 然后确定这些剂量在飞行员身上的效果 通过在线添加进行扩展;和 评价混凝剂预处理对二次采油的影响 污水供给源对污染速率和跨膜压力的影响 丧失 在建工程的目标包括: 决定内分泌干扰的命运机制 三次膜处理过程中的化合物(EDC) 定量化学分析和生物测定(酵母雌激素) 筛查[是]和性别特异性结合蛋白[SSBP]试验。介绍了在加拿大安大略省圭尔夫污水处理厂(WWTP)进行的超滤(UF)试验的研究设置,以及膜规范、超滤和除磷、超滤污染、超滤和内分泌干扰化合物。包括26个参考文献、图表。
This powerpoint presentation begins by presenting research objectives for completed work and work in progress. Objectives for completed work include: identifying the impacts of total suspended solids and colloidal natural organic matter on short- and long-term membrane fouling rates; determining the doses of aluminium sulphate and ferric chloride that maximized total phosphorus removal at the benchscale, and then determining the efficacy of these doses when applied at the pilot scale through in-line addition; and, evaluating the impact of coagulant pretreatment of the secondary effluent feed source on fouling rates and transmembrane pressure loss. Objectives for work in progress include: determining the fate mechanisms of endocrine disrupting compounds (EDCs) during tertiary membrane treatment through quantitative chemical analyses and bioassays (yeast estrogenicity screening [YES] and sex-specific binding protein [SSBP] test. The research setup of an ultrafiltration (UF) pilot at the Guelph Wastewater Treatment Plant (WWTP), Ontario, Canada, is presented, along with membrane specifications, UF and phosphorus removal, UF fouling, and UF and Endocrine Disrupting Compounds. Includes 26 references, figures.
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发布单位或类别: 美国-美国给水工程协会
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