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KMID : 0525720000050030152
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Journal of Chitin and Chitosan
2000 Volume.5 No. 3 p.152 ~ p.159
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A Study on the Removal Effects of Heavy Metals in Recycled Reactor Using Chitosan Membrane
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김갑근/Kim KK
강익중/Kang IJ
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Abstract
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The chitosan solution was prepared by dissolving chitosan powder into 3.2 wt% acetic acid solution. The average molecular weight and the degree of deacetylation of the chitosan were determined to be 50,000 and 90%, respectively. The chitosan solution was casted a certain thickness on glass, so that made membrane. This work absorbed a harmful heavy metal in waste water using the chitosan membrane. Compared steady-state and batch recycle system, Absorption capacity was higher in case of using the apparatus. The optimum exchange time of the membrane in the continuous process was determined to be 4 hr. Absorbed heavy metal on chitosan was confirmed by FT-IR and analysis of sample concentration used ICP.
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