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OSMOTIC CONCENTRATION OF PRODUCED AND PROCESS WATER USING HOLLOW FIBER MEMBRANE
OSMOTIC CONCENTRATION OF PRODUCED AND PROCESS WATER USING HOLLOW FIBER MEMBRANE
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机译:中空纤维膜对生产和过程水的渗透浓度
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摘要
The invention relates to a method and apparatus for treatment of produced or process water from hydrocarbon production to reduce the volume of the produced or process water while simultaneously reducing the salinity of a highly saline stream, for example, the brine from a seawater desalination plant. The method includes causing a feed stream comprising produced or process water to flow through the lumen of a hollow fiber osmotic membrane 4 which is immersed in an open channel 2 or tank of flowing draw solution 6 which has high salinity. In this way, water from the feed stream is drawn through the osmotic membrane 4 by an osmotic pressure differential caused by the difference in salinity between the feed stream and the draw solution 6. 展开▼