期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 55, 期 25, 页码 7184-7187出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201601135
关键词
membranes; nanosheets; separation; zeolites
资金
- ARPA-E program of the Department of Energy [DE-AR0000338 (0670-3240)]
- Deanship of Scientific Research at the King Abdulaziz University [D-003/433]
- National Natural Science Foundation of China (NSFC) [21471131, 21202116]
- China Scholarship Council
- Jiangsu Overseas Research & Training Program for University Prominent Young & Middle-aged Teachers and Presidents
- NSFC [51573122]
- Catalysis Center for Energy Innovation, an Energy Frontier Research Center - U.S. Department of Energy, Office of Science, Basic Energy Sciences [DE-SC0001004]
- NSF through the MRSEC program
- NSF through the ERC program
- NSF through the MRI program
- NSF through the NNIN program
Two-dimensional zeolite nanosheets that do not contain any organic structure-directing agents were prepared from a multilamellar MFI (ML-MFI) zeolite. ML-MFI was first exfoliated by melt compounding and then detemplated by treatment with a mixture of H2SO4 and H2O2 (piranha solution). The obtained OSDA-free MFI nanosheets disperse well in water and can be used for coating applications. Deposits made on porous polybenzimidazole (PBI) supports by simple filtration of these suspensions exhibit an n-butane/isobutane selectivity of 5.4, with an n-butane permeance of 3.5 x 10(-7) mol m(-2) s(-1) Pa-1 (ca. 1000 GPU).
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