Abstract

Traditionally, coastal urban centers in arid regions have had to rely on distillation as the means of desalting seawater. A new reality is now available as exemplified by the current installation of a large reverse osmosis plant to desalt highly saline Red Sea water to supply municipal water needs at Jeddah, Saudi Arabia. The Saline Water Conversion Corporation of the Kingdom of Saudi Arabia awarded a compettitively bid contract to Fluid Systems Division of UOP Inc. for the design, fabrication, construction and two-year operation and maintenance of a seawater reverse osmosis desalting plant with a production capacity of 12,000m 3/day. This paper presents a comprehensive review and description of the design, logistics and installation aspects of the plant together with an evaluation of delivery times and capital and operating costs of reverse osmosis vis-a-vis multiflash distillation for seawater desalination.

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