Fabrication and properties of Ti/Zr composite nanofiltration membrane

ZHU Guizhi; GUO Honglin; JIANG Qian; QI Hong

doi:10.11949/j.issn.0438-1157.20141645

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Fabrication and properties of Ti/Zr composite nanofiltration membrane

更新时间：2025-12-10

- Fabrication and properties of Ti/Zr composite nanofiltration membrane
- CIESC Journal Issue 4, Pages: 1600-1606(2015)
- 作者机构：
  
  南京工业大学膜科学技术研究所, 材料化学工程国家重点实验室,江苏,南京,210009
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20141645
  CLC： Q028.5
- Online First：05 April 2015，
  
  Published：05 April 2015
- 稿件说明：
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ZHU Guizhi, GUO Honglin, JIANG Qian, et al. Fabrication and properties of Ti/Zr composite nanofiltration membrane[J]. CIESC Journal, 2015, (4): 1600-1606.
DOI：

ZHU Guizhi, GUO Honglin, JIANG Qian, et al. Fabrication and properties of Ti/Zr composite nanofiltration membrane[J]. CIESC Journal, 2015, (4): 1600-1606. DOI： 10.11949/j.issn.0438-1157.20141645.

摘要

通过聚合溶胶路线制备出稳定的Ti/Zr(摩尔比=1:1)复合溶胶。采用浸浆法

在平均孔径为5～6 nm的片状a-Al2O3/g-Al2O3载体上制备出完整无缺陷的Ti/Zr复合纳滤膜。详细考察了焙烧温度对Ti/Zr粉体的影响

并考察了Ti/Zr复合纳滤膜的性能。结果表明:在较高烧成温度下(500℃)

Ti/Zr粉体依然呈无定形态且保持微孔结构。在400℃烧成温度下制备出孔径为1.49 nm的Ti/Zr复合纳滤膜

该膜的截留分子量(MWCO)为880

纯水通量为4.3 L·m-2·h-1·MPa-1。在pH=6

压力0.8 MPa的条件下

该膜对0.005 mol·L-1的MgCl2、CaCl2的截留率分别为85%和78%。

Abstract

A stable Ti/Zr composite polymeric sol with Ti:Zr molar ratio of 1:1 was synthesized through the polymeric sol route. Disk a-Al2O3 supported mesoporous g-Al2O3 membrane with an average pore size of 5-6 nm was used as support for nanofiltration membranes deposition. A defect-free Ti/Zr composite nanofiltration membrane superimposed on the support was fabricated via the dip-coating method followed by drying and calcination. The influence of calcination temperature on Ti/Zr powders was studied. The properties of Ti/Zr composite nanofiltration membrane were also investigated. Ti/Zr powders maintained amorphous state and microporous structure up to a calcination temperature of 500℃. The MWCO

mean pore size and pure water flux of Ti/Zr composite nanofiltration membrane calcined at 400℃ were 880

1.49 nm and 4.3 L·m-2·h-1·MPa-1

respectively. Under the condition of pH=6 and transmembrane pressure 0.8 MPa

the retention properties of Ti/Zr composite membrane towards 0.005 mol·L-1 MgCl2 and CaCl2 solutions were 85% and 78%

respectively.

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