High performance MOF UiO-66 membranes for MeOH/MTBE separation

被引：6

作者：

Luo, Chenglian ^{[1
,2
,3
]}

Cong, Shenzhen ^{[1
,2
,3
]}

Luan, Liping ^{[1
,2
,3
]}

Wang, Caixia ^{[1
,2
,3
]}

Guo, Zhecheng ^{[1
,2
,3
]}

Li, Min ^{[1
,2
,3
]}

Wang, Jixiao ^{[1
,2
,3
]}

Wang, Zhi ^{[1
,2
,3
]}

Liu, Xinlei ^{[1
,2
,3
]}

机构：

[1] Tianjin Univ, Chem Engn Res Ctr, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China

[2] Tianjin Univ, Tianjin Key Lab Membrane Sci & Desalinat Technol, State Key Lab Chem Engn, Tianjin 300072, Peoples R China

[3] Tianjin Univ, Haihe Lab Sustainable Chem Transformat, Tianjin 300072, Peoples R China

来源：

JOURNAL OF MEMBRANE SCIENCE | 2024年 / 693卷

基金：

中国国家自然科学基金;

关键词：

MOF membrane; UiO-66; Pervaporation; MeOH; MTBE; METHANOL-SELECTIVE MEMBRANES; ORGANIC FRAMEWORK UIO-66; BUTYL ETHER/METHANOL MIXTURES; MIXED MATRIX MEMBRANES; PERVAPORATION SEPARATION; SULFONATED POLYARYLETHERSULFONE; GRAPHENE OXIDE; ETHER MIXTURES; BLEND MEMBRANE; MTBE MIXTURES;

D O I：

10.1016/j.memsci.2023.122335

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The preparation of high-performance polycrystalline MOF membranes for MeOH/MTBE separation poses a challenge. In this study, intact 400 nm thick UiO-66 membranes with well-controlled structures were successfully fabricated using a novel formulation. The high ligand/metal ratios and the new zirconium sources provide ideas for designing UiO-66 membranes with effective pore structures. Consequently, the membranes exhibited an exceptional pervaporation performance, achieving a flux of 5.68 kg m- 2 h-1 and a separation factor of 28000 for MeOH/MTBE (5/95 wt/wt.%) at 40 degrees C. Further, the UiO-66 membranes have excellent temperature and concentration resistance and remain stable during 120 h of operation. The high pervaporation performance, along with this stability, demonstrates that this UiO-66 membrane is a competitive candidate for MeOH/MTBE separation.

引用

页数：9

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