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
收藏
页数：9
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