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https://irlib.pccu.edu.tw/handle/987654321/41863
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| 題名: | Oil-Water Separation of Electrospun Cellulose Triacetate Nanofiber Membranes Modified by Electrophoretically Deposited TiO2/Graphene Oxide |
| 作者: | Naseem, S (Naseem, Saba)
Wu, CM (Wu, Chang-Mou)
Xu, TZ (Xu, Ting-Zhen)
Lai, CC (Lai, Chiu-Chun)
Rwei, SP (Rwei, Syang-Peng) |
| 貢獻者: | 紡織工程學系 |
| 關鍵詞: | OIL/WATER EMULSION SEPARATION
MUSSEL-INSPIRED METHOD
SPECIAL WETTABILITY
GRAPHENE OXIDE
PVDF MEMBRANE
TIO2
SYSTEM
SURFACES
FILM
PHOTOCATALYST |
| 日期: | 2018-07 |
| 上傳時間: | 2019-01-17 13:26:36 (UTC+8) |
| 摘要: | Recycled waste industrial cellulose triacetate (TAC) film, which is one of the key materials in polarizers, was used to produce nanofiber membranes by electrospinning and synergistic assembly with graphene oxide (GO) and titanium dioxide (TiO2) for oil-water separation. In this study, GO and TiO2 coated by an electrophoretic deposition method introduced super hydrophilicity onto the recycled TAC (rTAC) membrane, with enhanced water permeability. The results indicate that when the outermost TiO2 layer of an asymmetric composite fiber membrane is exposed to ultraviolet irradiation; the hydrophilicity of the hydrophilic layer is more effectively promoted. Moreover, this coating could efficiently repel oil, and demonstrated robust self-cleaning performance during the cycle test, with the aid of the photocatalytic properties of TiO2. The rTAC membrane of networked hydrophobic fibers could also increase the speed of the filtrate flow and the water flux of the oil-water emulsion. The permeate carbon concentration in the water was analyzed using a total organic carbon analyzer. Incorporation of TiO2/GO onto the rTAC membrane contributed greatly towards enhanced membrane hydrophilicity and antifouling performance. Therefore, the novel TiO2/GO/rTAC asymmetric composite fiber has promise for applications in oil-water separation. |
| 顯示於類別: | [Department of Textile Engineering ] journal articles
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