막증류공정에서 소수성막의 특성이 투과플러스와 한계 조업에 미치는 영향The Influence of Characteristics of Hydrophobic Membrane on Flux and Upper Limit of Operating Temperature in Membrane Distillation Process

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The effects of operating temperature and characteristics of membranes on the flux and the conductivity of permeate in membrane distillation were investigated. 3.5 wt% NaCl aqueous solution was used as a feed and hydrophobic microporous membranes were used. In spite of the variation of operating conditions, the NaCl was almost rejected. Both the pore size and the surface energy of membrane were inversely proportional to the range of operating conditions(i.e. upper limit of operating temperature). Both the flux and the permeate concentration were not affected by polymeric material and pore size of membranes. Although the air gap on the permeate side increases the efficiency of heat utilization, however, the mass transfer resistance also increases.
Publisher
한국화학공학회
Issue Date
1998-12
Language
Korean
Citation

KOREAN CHEMICAL ENGINEERING RESEARCH(HWAHAK KONGHAK), v.36, no.6, pp.919 - 923

ISSN
0304-128X
URI
http://hdl.handle.net/10203/75601
Appears in Collection
CBE-Journal Papers(저널논문)
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