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摘要: Due to the continuously increasing demand for fresh water in the desert and remote areas, the development of non-conventional water resources in Egypt is essential. The most advanced and promising đesalination system is the reverse osmosis (RO) system. ln this paper, a 5000 m'day RO desalination plant in the city of Nuweiba inSinai, Egypt is taken as a case study. The measured data of the plant are recorded during 5 years of its normal operation. Also, experimental tests are carried out on site to investigate the influence of the main design and perating parameters on the plant performance. The RO system is found to be sensitive to the variation in the feed water temperature, pressure and salinity. The used maintenance schedule is also seen to be suitable for the plant, since the change in plant performance during the operation period is mot noticeable. On the other hand, a cost analysis is carried out on the …