Journal
SEPARATION AND PURIFICATION TECHNOLOGY
Volume 210, Issue -, Pages 258-267Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.seppur.2018.08.018
Keywords
Hybrid membrane; Metal organic frameworks (MOFs); Polydimethyl siloxane (PDMS); Structure-performance relationship; Organic mixture separation
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Funding
- National Natural Science Foundation of China [21621004, 21490583, 21576189]
- State Key Laboratory of Separation Membranes and Membrane Processes (Tianjin Polytechnic University) [M2-201606]
- National Science Fund for Distinguished Young Scholars [21125627]
- State Key Laboratory of Chemical Engineering [SKL-ChE-17B01]
- Programme of Introducing Talents of Discipline to Universities [B06006]
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Tailoring the interface between the polymer matrix and filler to probe the structure-performance relationship is one of the critical research issues in hybrid membranes. In this study, metal organic framework (MOF) incorporated hybrid membranes are fabricated with polydimethylsiloxane (PDMS) as the matrix and Cu(II) loaded UiO-67-bpydc (bpydc refers to 2,2'-bipyridine-5,5'-dicarboxylic acid) as the filler, which are utilized for removing thiophene from model gasoline. The structure-performance relationship of the resultant membranes was investigated. The flux of the hybrid membrane shows a remarkable increase while avoiding obvious loss of selectivity. The loading of Cu(II) onto UiO-67-bpydc effectively tailors the interface between the polymer matrix and filler, which enhances the membrane separation performance. This study may offer a new example for designing MOF-based hybrid membranes towards efficient molecular separation.
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