Reverse osmosis desalination membrane formed from weak polyelectrolytes by spin assisted layer by layer technique

Fadhillah, Farid, Zaidi, S. M. Javaid, Khan, Zafarullah, Khaled, Mazen and Hammond, Paula T. (2011) Reverse osmosis desalination membrane formed from weak polyelectrolytes by spin assisted layer by layer technique. Desalination and Water Treatment, 34 1-3: 44-49. doi:10.5004/dwt.2011.2856


Author Fadhillah, Farid
Zaidi, S. M. Javaid
Khan, Zafarullah
Khaled, Mazen
Hammond, Paula T.
Title Reverse osmosis desalination membrane formed from weak polyelectrolytes by spin assisted layer by layer technique
Journal name Desalination and Water Treatment   Check publisher's open access policy
ISSN 1944-3994
1944-3986
Publication date 2011-10-01
Sub-type Article (original research)
DOI 10.5004/dwt.2011.2856
Volume 34
Issue 1-3
Start page 44
End page 49
Total pages 6
Place of publication Abingdon, Oxfordshire, United Kingdom
Publisher Taylor & Francis
Language eng
Formatted abstract
Thin film bi-polar membranes were prepared by depositing alternate layers of polyallylamine hydrochloride (PAH) and polyacrylic acid (PAA) by Spin Assisted Layer-by-Layer (SA-LbL) coating technique. These polyionic coatings were deposited on silicon wafer substrates as well as on polysulfone ultrafiltration (UF) membranes. The suitability of these coated membranes for use as reverse osmosis seawater desalination membranes was investigated using a single pass-cross flow permeation test cell. Membrane testing showed that with only 35 bi-layers of PAH/PAA on a polysulfone ultra filtration membranes, NaCl rejection of 88% and water permeability of 0.22 l.m-2h-1bar-1 was achieved for feed water with NaCl concentration of 15000 ppm and pressure of 700 psig.
Keyword Reverse osmosis
Nanofiltration
Membranes
Spin assisted layer-bylayer
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: Australian Institute for Bioengineering and Nanotechnology Publications
 
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