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Micropollutants removal prediction for high recovery Low Pressure Reverse Osmosis

机译:高回收率低压反渗透的微污染物去除预测

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The contamination by micropollutants of water supply and wastewater discharge is becoming one ofrnthe challenges facing the water industry. Since the removal of the micropollutants like antibiotics,rnpharmaceuticals, pesticides, endocrine disruptors and other organics is limited in conventionalrntreatment mainly due to their low concentrations, Low Pressure Reverse Osmosis (LPRO) known asrnNanofiltration (NF) and Reverse Osmosis (RO) membranes can be an effective process. Rejectionrnperformance of single element and multi-stage system configurations is addressed in this paper and itrnwas concluded that LPRO and RO operating at high recovery rate are efficient technologies for thernmicropollutant removal. Quantitative predictions based on flows and mass balance using singlernmembrane rejection performance prove to be a useful technique to determine the treated water qualityrnregarding micropollutants when operating at high recovery rate. The experiment results are feeding arndatabase which informs about the removal efficiency of a specific membrane in actual implementationrnand which objective is to offer solutions for water treatment on a case by case basis depending on thernupcoming guidelines.
机译:供水和废水排放中的微污染物污染正成为水工业面临的挑战之一。由于在常规处理中去除微生物,抗生素,药品,杀虫剂,内分泌干扰物和其他有机物等微量污染物受到限制,这主要是由于其浓度低,因此可以将低压反渗透(LPRO)称为纳滤(NF)和反渗透(RO)膜。一个有效的过程。本文讨论了单元素和多级系统配置的拒绝性能,并得出结论,以高回收率运行的LPRO和RO是去除微污染物的有效技术。使用单膜截留性能基于流量和质量平衡的定量预测证明是一种在高回收率下确定微污染物时处理水质的有用技术。实验结果提供给arn数据库,该数据库告知实际实施中特定膜的去除效率,并且目标是根据即将发布的指南逐案提供水处理解决方案。

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