The ratio of desalinization and recovery are important evaluations to Reverse-osmosis’ performance. This paper analyzes and discusses the inlet water temperature and feed water pressure to reverse osmosis recovery rate and the influence of desalination rate. When feed water pressure for 0.90 MPa, inlet water temperature for 24.5~25.5 ℃, reverse osmosis water making best effect, and high efficiency.The recovery is in the range of 74.8~75.5%and desalination rate also maintain at higher level.%反渗透回收率与脱盐率是评价反渗透制水效果的重要指标，本论文分析讨论了进水温度及进水压力对反渗透回收率与脱盐率的影响。当进水压力为0.90MPa，进水温度为24.5~25.5℃时，回收率在74.8~75.5%范围内，脱盐率也维持在较高的水平，反渗透制水效果最好，且经济性较高。
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