Cellulose nanofibre aerogel filter with tuneable pore structure for oil/water separation and recovery

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Abstract

A cellulose nanofibre aerogel filter with tuneable pore structure exhibiting super-hydrophilic and underwater-super-oleophobic behaviours is synthesized by a facile method of cross-linking between cellulose nanofibres and polyamideamine-epichlorohydrin (PAE). The prepared aerogel filter showed excellent oil/water separation efficiency for both oil/water mixtures (100 , even after 10 cycles), and oil/water surfactant-free emulsion (98.6 ), which is driven solely by gravity. In addition, the specific structure can de-emulsify oil/water emulsion. The results showed that the cellulose aerogel filter can be used for oil/water separation and recovery.
Original languageEnglish
Pages (from-to)21435 - 21438
Number of pages4
JournalRSC Advances
Volume6
Issue number26
DOIs
Publication statusPublished - 2016

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