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KMID : 1024520160250030395
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Journal of the Environmental Sciences
2016 Volume.25 No. 3 p.395 ~ p.403
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Effect of Adsorption on the Removal of Aromatic Pesticides by Hollow Fiber NF Membrane
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Jung Yong-Jun
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Abstract
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This study examined the adsorption effect of aromatic pesticides by hollow fiber NF membrane on rejection and removal
properties. Batch type adsorption test and hollow fiber NF membrane filtration were conducted with 5 different kinds of
aromatic pesticides. 3 to 15 days were required to reach the equilibrium concentration and 0.3181∼0.8094 ㎍/㎠ were
adsorbed to hollow fiber NF membrane. Since 5 hours of separation test were too short to keep steady state for permeate due to the repetition of sorption and desorption, longer times were required to evaluate the rejection performance of NF membrane.
Sorption and desorption were confirmed by the separation test equipped with membrane and without membrane. Adsorption contribution of aromatic pesticides to hollow fiber membranes were shown to be ranged from 16.1% to 36.3% and indicated the difference considering sorption effect.
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KEYWORD
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Adsorption, Aromatic pesticides, Hollow fiber, Nanofiltration, Rejection
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