METHOD OF PREPARING COMPOSITE MEMBRANE MODULE
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United States of America Patent
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Issued Date -
Jun 26, 2014
app pub date -
Dec 23, 2013
filing date -
Dec 24, 2012
priority date (Note) -
Abandoned
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Abstract
A method of preparing a composite membrane module includes preparing a single membrane module to which a hollow fiber support layer is potted; and forming an active layer on a surface of the hollow fiber support layer through interfacial polymerization by bringing a surface of the hollow fiber support layer into contact with a first solution comprising an amine and a second solution comprising an acyl halide (in that order). The method can form an active layer having a uniform thickness and good processability. A composite hollow fiber membrane module prepared by the method exhibits a good salt rejection rate.
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