Polymeric membrane processes are widely used for water purification and desalination. Especially, reverse osmosis (RO) membranes are able to reject small ions such as sodium chloride in salt water. To obtain high water flux as well as high rejection, various approaches have been studied. Amongst them, ultrafast water transport through CNT has attracted many interests. Polymer/CNT nanocomposites have been extensively studied but most of them have failed to achieve high flux with reasonable rejection. Owing to low purity and coarse dispersion of CNT, modification processes are further needed such as purification and other pre-treatments.

Modified carbon nanotube-embedded thin-film polyamide composite membranes for desalination

244th National Meeting (2012)

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