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Membrane Phase Contact Processes (MPCPs) in Drinking Water Treatment 饮用水处理中的膜相接触法
发布日期: 1993-01-01
从这一简要概述可以看出,MPCP通常提供节能、可预测的质量传递,用于从饮用水中去除污染物或将气体传递到饮用水中。将污染物与水分离不需要压差。中空纤维膜制成的膜组件具有非常高的比表面积,因此可以在非常小的工艺装置中进行转移。通过将系统的传质能力与其流动特性关联起来,简化了放大至全尺寸的过程。在过去几年中,MPCP有大量活动。MPCP已在多个工艺中商业化,其他工艺有待在饮用水行业中商业化应用。 预计人们对这些高效流程的兴趣只会随着时间的推移而增加。膜工艺将不局限于由维持较高上游压力驱动的工艺。
From this brief overview it is possible to discern that MPCPs generally provide energy efficient, predictable mass transfer for contaminant removal from or gas transfer to drinking water. No pressure differential is necessary for provision of a separation of contaminants from water. The very high specific surface area in membrane modules made from hollow fiber membranes allows the transfer to occur in very small process units. Scale-up to full scale is simplified by correlations relating the mass transfer capabilities of a system to its flow characteristics. There has been a great deal of activity in MPCPs in the past few years. MPCPs have been commercialized for several processes and others await commercial application in the drinking water industry. It is expected the interest in these efficient processes will only increase over the years. Membrane processes will not be confined to those driven by maintenance of a high upstream pressure.
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发布单位或类别: 美国-美国给水工程协会
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