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膜蒸馏是八十年代发展起来的一种海水淡化新技术。本文初步探讨了膜蒸馏过程的饥理,推导出膜通量公式J=KΔP。并用聚四氟乙烯和聚丙烯微孔膜采用内冷式装置形式探讨了海水温度、流速、冷凝室厚度等因素与膜通量和热损失的影响。
Membrane distillation is a new desalination technology developed in the eighties. In this paper, we first discussed the familial process of membrane distillation and deduced the membrane flux formula J = KΔP. The effects of seawater temperature, flow rate, thickness of condenser and other factors on membrane flux and heat loss were discussed by means of an internal cooling device with PTFE and polypropylene microporous membranes.