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Title: Preparation and application of patterned hollow-fiber membranes to membrane bioreactor for wastewater treatment
Authors: Kim, Inae
Choi, Dong-Chan
Lee, Jaewoo
Chae, Hee-Ro
Jang, Jun Hee
Lee, Chung-Hak
Park, Pyung-Kyu
Won, Young-June
Keywords: Patterned membrane
Hollow-fiber membrane
Issue Date: 2015
Source: Kim, I., Choi, D. -C., Lee, J., Chae, H. -R., Jang, J. H., Lee, C. -H., et al. (2015). Preparation and application of patterned hollow-fiber membranes to membrane bioreactor for wastewater treatment. Journal of Membrane Science, 490, 190-196.
Series/Report no.: Journal of Membrane Science
Abstract: Hollow-fiber membranes have been widely used in membrane processes for water and wastewater treatments, but membrane fouling in commercialized hollow-fiber membranes still remains a challengeable task to be solved. In this study, we introduced patterned morphology to the membrane surface of a polyvinylidene fluoride (PVDF) hollow-fiber module using a lithographic method. Two types of patterned hollow-fiber (PHF) PVDF membranes (prism and pyramid) were prepared respectively, and their anti-biofouling characteristics were tested in a membrane bioreactor (MBR) for wastewater treatment. PHF membranes with high pattern fidelity were fabricated under the pressurized injection of the non-solvent for phase inversion. The PHFs showed not only higher water flux due to the increase of the effective membrane surface, but also enhanced anti-fouling property in comparison to a non-patterned hollow-fiber membrane. The effect of the PVDF concentration and non-solvent injection rate were also investigated on the morphology and pattern fidelity of PHF membranes.
ISSN: 0376-7388
DOI: 10.1016/j.memsci.2015.04.026
Research Centres: Nanyang Environment and Water Research Institute 
Rights: © 2015 Elsevier B. V.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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