淡江大學機構典藏:Item 987654321/126917
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    题名: Synthesis of a Free-Standing Ternary WO3/CNT/ZnO–Chitosan Composite Photocatalytic Membrane for the Mitigation of Protein Fouling in Membranes
    作者: Don, Trong-ming
    关键词: membrane filtration;membrane fouling;free standing;ternary WO3/CNT/ZnO–chitosan composite;photocatalytic membrane;bovine serum albumin;antifouling
    日期: 2025-02-07
    上传时间: 2025-03-20 09:30:48 (UTC+8)
    出版者: MDPI
    摘要: The application of membrane filtration, particularly micro- and ultra-filtration, in food and pharmaceutical industries often faces the issue of protein fouling. In this study, we aimed to fabricate a free-standing ternary tungsten trioxide/carbon nanotube/zinc oxide (WO3/CNT/ZnO)–chitosan composite photocatalytic membrane via wet processing and infiltration techniques to address the fouling issue. Infiltration with low molecular weight chitosan was found to enhance the mechanical stability of the ternary composite photocatalytic membrane. The ternary composite photocatalytic membrane with a 0.16 g ternary photocatalyst load demonstrated 86% efficiency in the degradation of bovine serum albumin (BSA) under sunlight irradiation for 120 min. A reduction in permeation flux accompanied by an increase in BSA rejection was observed as the loading of the ternary photocatalyst in the ternary composite photocatalytic membrane was increased. This can be associated with the decreased average porosity and mean pore radius. The ternary composite photocatalytic membrane demonstrated reasonably good antifouling behavior with an Rfr of 82% and an Rif of 18%. The antifouling property demonstrated by the ternary composite photocatalytic membrane is important in maintaining the reusability of the membrane.
    關聯: Polymers 17(4), 437
    DOI: 10.3390/polym17040437
    显示于类别:[化學工程與材料工程學系暨研究所] 期刊論文

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