饮用水源中的硝酸盐和高氯酸盐是主要的健康问题，因为它们 可能对人类和生态系统造成不利的健康影响。虽然技术上可以 处理供水中的硝酸盐和高氯酸盐，可能会很困难，很昂贵，而且不完全有效 有效的 这项工作评估了新型膜混合系统去除废水的可行性 饮用水中的硝酸盐和高氯酸盐。这种混合系统结合了低压 反渗透（LPRO）和离子交换膜（IEM），以实现高回收率 渗透流量大，能耗低。研究了混合动力系统的不同配置 通过对比找出最佳工艺配置。 该研究使用实验室规模的IEM装置和中试规模的RO进行了实验 设备以膜为基础，对四种离子交换膜进行了比较 运输分析。采用螺旋缠绕式LPRO膜进行反渗透过滤试验。 膜传输研究表明，IEM适用于以低成本获得水 硝酸盐浓度低于建议水平。 LPRO可以拒绝80%-95%的 硝酸盐，即使在低于800千帕的跨膜压力下。IEM的最佳组合 LPRO对低能硝酸盐的高效去除可能是有效的 消耗包括8个参考文献、表格、图表。

Nitrate and perchlorate in drinking water sources are of major health concerns because they can cause adverse health effects on human and ecosystems. While it is technically possible to treat nitrate and perchlorate in water supplies, it can be difficult, expensive and not totally effective. This work evaluates the feasibility of new membrane hybrid systems for the removal of nitrate and perchlorate from drinking water. This hybrid system combines low pressure reverse osmosis (LPRO) and ion exchange membranes (IEM) to achieve high recovery of permeate flow and low energy consumption. Different configurations of hybrid systems were compared to find out the optimum process configuration. The study carried out experiments using a laboratory-scale IEM device and pilot-scale RO equipment. Four kinds of ion exchange membranes were compared based on membrane transport analysis. A spiral wound LPRO membrane was used for RO filtration test. Membrane transport studies showed that IEM is suitable for obtaining water with concentrations of nitrate below the recommended levels. LPRO could reject 80%-95% of nitrate even at transmembrane pressure below 800 kPa. The optimum combination of IEM and LPRO is likely to be effective for high removal efficiency of nitrate with low energy consumption. Includes 8 references, tables, figures.