Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/79926
Title: Preparation of high performance nanofiltration (NF) membranes incorporated with aquaporin Z
Authors: Wicaksana, Filicia
Li, Xuesong
Wang, Rong
Tang, Chuyang Y.
Torres, Jaume
Fane, Anthony Gordon
Keywords: DRNTU::Engineering::Environmental engineering::Water treatment
Issue Date: 2013
Source: Li, X., Wang, R., Wicaksana, F., Tang, C., Torres, J., & Fane, A. G. (2014). Preparation of high performance nanofiltration (NF) membranes incorporated with aquaporin Z. Journal of Membrane Science, 450, 181-188.
Series/Report no.: Journal of membrane science
Abstract: Aquaporin (AQP) based biomimetic membrane has attracted increasing attention in recent years because of its potential application for water purification and seawater desalination, attributed to the exceptionally high permeability and selectivity of AQPs. Despite its superior performance, AQP based membrane faces several challenges associated with the design and preparation of such membranes for practical application. In this current study, a novel and simple method was introduced to prepare an aquaporin Z (AqpZ) based biomimetic nanofiltration (NF) membrane with a relatively large membrane area of 28.26 cm2. The proteoliposome, incorporated with AqpZ, was fully encapsulated into the selective layer through crosslinking of a polyelectrolyte with the membrane substrate made by poly(amide–imde) (PAI). The water flux of the AqpZ based membrane was around 50% higher than the mutant one. At optimal preparation conditions, the AqpZ based membrane could offer a water flux of 36.6 L m−2 h−1 with a MgCl2 rejection of 95% at 0.1 MPa. Results from this study showed that AqpZ could maintain its activity even under harsh environmental conditions of thermal treatment at 343 K for 2 h. These results and findings may provide useful insights on developing next generation of biomimetic membranes.
URI: https://hdl.handle.net/10356/79926
http://hdl.handle.net/10220/17229
ISSN: 0376-7388
DOI: 10.1016/j.memsci.2013.09.007
Rights: © 2013 Elsevier B.V. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of membrane science, Elsevier B.V. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1016/j.memsci.2013.09.007].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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