Study on Nanocomposite Membranes with Enhanced Performance for Forward Osmosis

Ning Ma; Cao Liu; Pei Jing Wang; Chu Yang Tang

doi:10.4028/www.scientific.net/AMR.900.191

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Study on Nanocomposite Membranes with Enhanced Performance for Forward Osmosis
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 900Study on Nanocomposite Membranes with Enhanced...

Study on Nanocomposite Membranes with Enhanced Performance for Forward Osmosis

Abstract:

Nanocomposite membranes with enhanced performance were investigated for forward osmosis (FO) by incorporation of nanoporous materials. The incorporation of zeolite into both polysulfone (PSf) substrates and polyamide (PA) rejection layer of thin film composite (TFC) membrane (PSf-TFC) could effectively improve FO membrane performance. In the case of zeolite loading into PA layer, the resulted PSf based thin film nanocomposite (PSf-TFN) membrane showed improved but limited water permeability of the rejection layer, corresponding to ~1.76 times water flux higher than PSf-TFC membrane. Significantly, the polysulfone nanocomposite (PSfN) based TFC membrane (PSfN-TFC), which formed by embedding zeolite nanoparticles in PSf substrates, not only enhanced water permeability of the polyamide rejection layer but also reduced internal concentration polarization (ICP) effect, and thus improved FO membrane performance significantly, which corresponding to ~2.50 times water flux higher than PSf-TFC membrane.

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Periodical:

Advanced Materials Research (Volume 900)

Pages:

191-196

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.900.191

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Online since:

February 2014

Authors:

Ning Ma*, Cao Liu, Pei Jing Wang, Chu Yang Tang

Keywords:

Forward Osmosis, Nanocomposite, Polyamide, Polysulfone, Zeolite Nanomaterials

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* - Corresponding Author

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