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Appl. Sci. 2017, 7(12), 1284; https://doi.org/10.3390/app7121284

Nanostructured Ceramic Photocatalytic Membrane Modified with a Polymer Template for Textile Wastewater Treatment

1
Department of Environmental Engineering, Inha University, Inharo-100, Namgu, Incheon 402751, Korea
2
Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
These authors contributed equally to this work.
*
Authors to whom correspondence should be addressed.
Received: 5 November 2017 / Revised: 27 November 2017 / Accepted: 5 December 2017 / Published: 9 December 2017
(This article belongs to the Special Issue Nanotechnology in Wastewater Treatment Technology)
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Abstract

Photocatalytic ceramic membranes have attracted considerable attention for industrial wastewater treatment. However, morphological control of the membrane surface to improve its photocatalytic reactivity for the degradation of organic pollutants remains a challenge. Herein, we report a new nanostructured TiO2/Al2O3 composite ceramic membrane prepared from a poly(oxyethylene methacrylate) (POEM) template through a sol–gel method and its photocatalytic performance in the treatment of a model dye compound. The POEM polymeric template allowed the homogeneous distribution of catalytic sites, i.e., the TiO2 layer, on the Al2O3 membrane surface, resulting in improved organic dye degradation along with effective fouling mitigation. The immobilization of a TiO2 layer on the Al2O3 membrane support also significantly enhanced the membrane adsorption capacity toward dye organic compounds. An organic removal efficiency of over 96% was achieved with the TiO2/Al2O3 composite membrane under Ultraviolet (UV) irradiation. In addition, the self-cleaning efficiency of the TiO2/Al2O3 composite membrane was remarkably improved by the degradation of organic foulants on the membrane under UV illumination. View Full-Text
Keywords: photocatalytic membrane; antifouling; polymer template; TiO2; adsorption photocatalytic membrane; antifouling; polymer template; TiO2; adsorption
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Ahmad, R.; Kim, J.K.; Kim, J.H.; Kim, J. Nanostructured Ceramic Photocatalytic Membrane Modified with a Polymer Template for Textile Wastewater Treatment. Appl. Sci. 2017, 7, 1284.

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