| 膜蒸馏过程传质传热机理研究 |
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| 引用本文： | 蒋维钧 余立新. 膜蒸馏过程传质传热机理研究[J]. 水处理技术, 1992, 18(4): 230-234 |
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| 作者姓名： | 蒋维钧 余立新 |
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| 作者单位： | 清华大学化工系 邮编:100084(蒋维钧，余立新)，清华大学化工系 邮编:100084(刘茂林) |
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| 摘 要： |
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| 关 键 词： | 膜蒸馏 传质过程 温度 浓度 极化 |
A STUDY OF THE MASS AND HEAT TRANSFER PROCESS IN MEMBRANE DISTILLATION |
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| Jiang Weijun Yu Lixin Liu Maolin. A STUDY OF THE MASS AND HEAT TRANSFER PROCESS IN MEMBRANE DISTILLATION[J]. Technology of Water Treatment, 1992, 18(4): 230-234 |
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| Authors: | Jiang Weijun Yu Lixin Liu Maolin |
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| Abstract: | To study the mechanism in membrane distillation is of great significancein understanding the nature of the process,finding the factors that affectthe process,and reinforcing the optimization process and in calculationand design.K.Schneider and R.W.Schofield have studied the mechanismof direct-contact membrane distillation;A.S.Jonsson and Shoji Kimurahave studied the mechanism of air-gap membrane distillation.The main problems in their models are:(1) there are many experimental parameterswhich must be determined from a lot of experiments,so those models aremore theoretical than practical;(2) concentration polarization hasn't beentaken into consideration.Mechanism of direct-contact membrane distillation is then put into deepinvestigation on the basis of former researchers' work.And a much precisemathematical model is set up. |
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| Keywords: | membrane distillation mass transfer heat transfer mathematical model concentration polarization |
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