1. Title & Journal
Title : Theoretical and experimental studies of flux enhancement with roughened surface in direct contact membrane distillation desalination
Authors : Chii-Dong Ho?, Hsuan Chang, Cheng-Liang Chang, Cheng-Hao Huang
Journal : Journal of Membrane Science
2. Background of authors
Corresponding author : Chii-Dong Ho?
Current Affiliation : Energy and Opto-Electronic Materials Research Center, Department of Chemical and Materials Engineering, Tamkang University, Tamsui, New Taipei 251, Taiwan.
Contact information : Tel. +886 2 2621 5656
e-mail. cdho@mail.tku.edu.tu (C.-D. Ho)
3. Summary
열 전도 및 flux 증가를 위해 roughened-surface를 이용한 새로운 Direct Contact Membrane Distillation(DCMD) 디자인에 관한 연구로써 roughened-surface의 합성에는 siphonic-blasting, aluminum oxide sand grains 그리고 Ni film coating을 이용하였으며, 실험 결과 37%의 flux 향상을 보였다.
실험 방법
Module |
flat plate type, 수평설치 |
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Channel |
길이 0.21m, 폭 0.29m, 높이 2mm |
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Membrane |
PTFE from ADVANTEC pore size of 0.1 , porosity 0.72, thickness 130 |
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Feed |
3.5wt% NaCl, tempetature T=30 , 40 , 50 , 60 flow rate Q=0.3L/min, 0.5L/min, 0.7L/min, 0.9L/min |
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Permeate |
tempetature T=25 , flow rate U=same as feed flow rate |
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Aluminum plate |
feed쪽에 설치, roughness level =14 , 240 , 440
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