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Li Wan,Mingwei Yuan,Guowen Xiong,Shunli Shi,Weiming Xiao,Chao Chen,Fanrong Ai 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.125 No.-
MOF-polymer mixed matrix catalytic membrane has excellent potential for applications in continuousflow separation and catalysis. However, scalable fabrication methods to produce ultra-high flux mixedmatrix catalytic membranes are urgently needed yet to be largely met. Inspired by the honeycomb structure,composite MOF with polymer materials possessing rapidly prepare large area MOF-polymer mixedmatrix catalytic membrane with penetrated honeycomb structure. The bulk loading of MOFs linked thewalls of the honeycomb, endowing the MOF-polymer mixed matrix membrane with large surface areasand abundant pore channels. The porous MOF material links the pore walls of the honeycomb structure,which not only enables the rapid passage of reactants, but also greatly enhances the mutual contact betweenthe membrane and the reactants, achieving rapid passage and efficient catalysis. The 0.6-ZIF-8/Pd-TPU porosity reaches 69% and the specific surface area can reach 828.35 m2/g. The water flux reached3290 L m2 h1 and the treatment efficiency of different dyes and 4-NP under vacuum pump filtrationreached 99%. This preparation method was extended to other porous materials, and membranes weresuccessfully prepared with good catalytic effects. This strategy paves the way for the development of highflux and efficient catalytic membranes.
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