CFD simulation of polarization phenomena in direct contact membrane distillation systems
Direct contact membrane distillation (DCMD) is a thermal process in which warm feed and cool distilled water flow on opposite sides of a hydrophobic membrane. The temperature difference causes water to evaporate from the feed, travel through the membrane, and condense in the distillate. Because DCMD is insensitive to osmotic pressure, it has emerged as a promising means of concentrating brines to their saturation limit. Studies have shown that temperature and concentration polarization are the two crucial factors affecting DCMD performance in the treatment of hypersaline brines. Temperature ...
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