MFI zeolite membranes from a- and randomly oriented monolayers

Jungkyu Choi; Shubhajit Ghosh; Lisa King; Michael Tsapatsis

doi:10.1007/s10450-006-0564-y

MFI zeolite membranes from a- and randomly oriented monolayers

Jungkyu Choi, Shubhajit Ghosh, Lisa King, Michael Tsapatsis

Chemical Engineering and Materials Science

Research output: Contribution to journal › Article › peer-review

64 Scopus citations

Abstract

c-Oriented columnar MFI films made by secondary growth of randomly oriented seed monolayers, deposited using sonication-assisted covalent attachment, exhibit n-hexane/2,2-dimethylbutane separation factor of up to 10 ⁴, n-/i-butane separation factor of up to 50, and p-/o-xylene separation factor of up to 2. A MFI film from a-oriented seed layer shows lower separation factors for the linear vs. branched isomers but higher separation factor for p-/o-xylene.

Original language	English (US)
Pages (from-to)	339-360
Number of pages	22
Journal	Adsorption
Volume	12
Issue number	5-6
DOIs	https://doi.org/10.1007/s10450-006-0564-y
State	Published - Sep 2006

Bibliographical note

Funding Information:
Acknowledgments Funding from NSF (CTS-0522518) and UOP LLC through IPrime is gratefully acknowledged. All char- acterizations were performed at the University of Minnesota Characterization Facility supported from NSF through the National Nanotechnology Infrastructure Network (NNIN).

Keywords

Butane
Hexane
MFI
Permeation
Preferred orientation
Separation
Xylene
Zeolite

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abstract = "c-Oriented columnar MFI films made by secondary growth of randomly oriented seed monolayers, deposited using sonication-assisted covalent attachment, exhibit n-hexane/2,2-dimethylbutane separation factor of up to 10 4, n-/i-butane separation factor of up to 50, and p-/o-xylene separation factor of up to 2. A MFI film from a-oriented seed layer shows lower separation factors for the linear vs. branched isomers but higher separation factor for p-/o-xylene.",

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AU - Ghosh, Shubhajit

AU - King, Lisa

AU - Tsapatsis, Michael

N1 - Funding Information: Acknowledgments Funding from NSF (CTS-0522518) and UOP LLC through IPrime is gratefully acknowledged. All char- acterizations were performed at the University of Minnesota Characterization Facility supported from NSF through the National Nanotechnology Infrastructure Network (NNIN).

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KW - Hexane

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KW - Permeation

KW - Preferred orientation

KW - Separation

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MFI zeolite membranes from a- and randomly oriented monolayers

Abstract

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Keywords

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