eat and mass transfer of sweeping gas membrane distillation

CHEN Huayan; LI Huan; Lv Xiaolong

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eat and mass transfer of sweeping gas membrane distillation

更新时间：2025-12-10

- eat and mass transfer of sweeping gas membrane distillation
- CIESC Journal Issue 2, Pages: 304-309(2009)
- 作者机构：
  
  1. 中空纤维膜材料与膜过程教育部重点实验室
  2. 天津工业大学生物化工研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 February 2009，
  
  Published：05 February 2009
- 稿件说明：
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CHEN Huayan, LI Huan, Lv Xiaolong. eat and mass transfer of sweeping gas membrane distillation[J]. CIESC Journal, 2009, (2): 304-309.
DOI：

CHEN Huayan, LI Huan, Lv Xiaolong. eat and mass transfer of sweeping gas membrane distillation[J]. CIESC Journal, 2009, (2): 304-309. DOI：

摘要

对气扫式膜蒸馏（SGMD）的热量和质量传递机理进行了研究，建立了该过程的热量和质量传递模型，并对模型进行了计算，得出了吹扫气流速、组件长度、进料流速和进料温度对膜通量的影响。通过实验对模型计算结果进行了验证。实验结果表明模型计算值与实验值非常接近。随吹扫气流速的增大，通量先增加然后趋近于平衡。组件长度越短通量越高。进料流速对通量的影响很小，随膜丝内Reynolds数的增加，通量稍有增加，随进料温度的升高，通量呈指数倍增加。

Abstract

Mass transfer and heat transfer through hydrophobic microporous membrane in sweeping gas membrane distillation(SGMD) was studied.A model about heat and mass transfer was constructed and solved.The effects of sweeping gas velocity

module length

feed flux and feed temperature on membrane flux were tested.The calculated membrane flux was compared with measured membrane flux.The experimental results showed that the calculated flux was near to the measured one.With increasing gas velocity membrane flux increased.Decreasing module length led to increasing membrane flux.Feed flux had little effect on membrane flux and with the increase of feed temperature

membrane flux increased dramatically.

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