화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.22, 357-367, February, 2015
DOI10.1016/j.jiec.2014.07.031  Export Citation
Fabrication of alumina/polysulfone nanocomposite membranes with biofouling mitigation approach in membrane bioreactors
Maryam Homayoonfal, Mohammad Reza Mehrnia†, Samane Rahmani, and Yasaman Mohades Mojtahedi
  • School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 11155-4563, Iran
E-mail:
In this study, polysulfone/alumina nanocomposite membranes were synthesized with the principal aim of reducing biofouling in membrane bioreactors. The filtration experiments indicate that alumina nanoparticles can increase water flux by enhancing membrane hydrophilicity while maintaining the separation efficiency through decreasing porosity. Altogether, as confirmed by AFM images, the development of roughness results in biofilm formation reduction on the membrane surface layer. On the whole, presence of alumina nanoparticles up to the polymer concentration of 0.03 wt.% will result in an augment in separation yield up to 7%, four times higher water flux, and 83% reduction in membrane fouling.
Keywords:Alumina nanoparticle;Nanocomposite membrane;Biofouling;Biofilm;Membrane bioreactor
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