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KMID : 1024520000090020173
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Journal of the Environmental Sciences
2000 Volume.9 No. 2 p.173 ~ p.176
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Filtration Characteristics according to Hollow Fiber Dispersion in Submerged Membrane Module
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Lee Jae-In
Shin Choon-Hwan
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Abstract
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This study was carried out to investigate the filtration characteristics of membrane modules according to hollow fiber dispersion for direct solid-liquid separation of activated sludge. 2 bundle, 4 bundle, and 10 bundle, and 10 bundle module used in this experiment according to hollow fiber dispersion was manufactured at laboratory and permeate flux and transmembrane pressure(TMP) of each module were observed under a suction pressure of 0.5kgf/c. As the hollow fibers were dispersed, permeate flux was increased and TMP was decreased. Permeate flux and TMP of each module was 15.0 /.h and 31.8 cmHg for 2 bundle, 16.0 / .h and 17.4 cmHg for 4 bundle, and 20.4 /m2 .h and 31.8 cmHg for 10 bundle. In conclusion, the membrane fouling is expected to be decrease by maintaining lower TMP with hollow fiber dispersion.
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KEYWORD
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membrane module, hollow fiber dispersion, permeate flux, transmembrane pressure(TMP), membrane fouling
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