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Permeation Characteristics of the Plate & Frame Membrane Module with Protuberances  

Chung, Kun-Yong (Department of Chemical Engineering, Seoul National University of Technology)
Jeon, Sung-Il (Department of Chemical Engineering, Seoul National University of Technology)
Publication Information
Membrane Journal / v.18, no.2, 2008 , pp. 168-175 More about this Journal
Abstract
This study was carried out for the plate and frame membrane modules equipped with and without plastic protuberances on the support frame in order to determine the effect of eddy flow induced by the protuberances on permeate flux. The initial time for rapidly declined permeate flux on the module with protuberances was delayed twice or more than that on the module without protuberances when kaolin solution was permeated at the operating pressures from 0.4 to 1.6 bar. Also decreasing ratio of the kaolin solution to pure water flux for module with protuberances was 1 to 5% lower than that for module without protuberances. The flux improvement due to protuberances at laminar flow corresponding Reynolds number 1,750 was about double as compared with that in the transition flow region. In general, the kaolin fouling reduction for the plate module with protuberances during initial filtration process was very effective, even though the permeate flux after 60 minutes filtration did not increase significantly.
Keywords
plate membrane module; protuberances; fouling; permeate improvement; fouling;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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