• Journal of Inorganic Materials
  • Vol. 37, Issue 10, 1051 (2022)
Qingyang LÜ, Yuting ZHANG, and Xuehong GU*
Author Affiliations
  • State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China
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    DOI: 10.15541/jim20220185 Cite this Article
    Qingyang LÜ, Yuting ZHANG, Xuehong GU. Fabrication of Hollow Fiber Supported TiO2 Ultrafiltration Membranes via Ultrasound-assisted Sol-Gel Method [J]. Journal of Inorganic Materials, 2022, 37(10): 1051 Copy Citation Text show less
    Particle size distribution of TiO2 sols prepared with different acid/titanium ratios (x)
    1. Particle size distribution of TiO2 sols prepared with different acid/titanium ratios (x)
    Surface and cross-section SEM images of TiO2 membranes prepared with different acid/titanium ratios
    2. Surface and cross-section SEM images of TiO2 membranes prepared with different acid/titanium ratios
    Particle size distribution of TiO2 sols (S0.25) after ultrasound treatment for different periods
    3. Particle size distribution of TiO2 sols (S0.25) after ultrasound treatment for different periods
    Surface and cross-section SEM images of TiO2 membranes prepared by sonication for different periods
    4. Surface and cross-section SEM images of TiO2 membranes prepared by sonication for different periods
    Schematic diagram of proposed formation mechanism of TiO2 membranes prepared by conventional and ultrasound-assisted Sol-Gel methods
    5. Schematic diagram of proposed formation mechanism of TiO2 membranes prepared by conventional and ultrasound-assisted Sol-Gel methods
    XRD patterns of TiO2 powders calcined at different temperatures
    6. XRD patterns of TiO2 powders calcined at different temperatures
    Surface SEM and 3D morphologies of TiO2 membranes calcined at different temperatures
    7. Surface SEM and 3D morphologies of TiO2 membranes calcined at different temperatures
    Dextran rejection of TiO2 membranes prepared with different acid/titanium ratios
    8. Dextran rejection of TiO2 membranes prepared with different acid/titanium ratios
    Dextran rejection of TiO2 membranes prepared by sonication for different periods
    9. Dextran rejection of TiO2 membranes prepared by sonication for different periods
    Dextran rejection of TiO2 membranes calcined at different temperatures
    10. Dextran rejection of TiO2 membranes calcined at different temperatures
    MembraneMembrane configuration Calcination temperature/℃ Pore size / nm Thickness/ μm Coating number Water flux/ (L·m-2·h-1·bar-1) MWCO/ Da Ref.
    P25-TiO2Tube4003.6241285600[12]
    MXene-TiO2Tube4006.5519022000[15]
    P123-TiO2Tube4006.1237.1619000[19]
    CM0.5-0-350 Hollow fiber3504.4531429078This work
    UM0.25-30-350 Hollow fiber3502.5121452586This work
    Table 1. Comparison between TiO2 membranes prepared by conventional and ultrasound-assisted sol-gel method
    Qingyang LÜ, Yuting ZHANG, Xuehong GU. Fabrication of Hollow Fiber Supported TiO2 Ultrafiltration Membranes via Ultrasound-assisted Sol-Gel Method [J]. Journal of Inorganic Materials, 2022, 37(10): 1051
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