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A novel method for fabrication of high-flux zeolite membranes on supports with arbitrary geometry
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0003-2656-857x
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0001-9794-8305
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0003-1053-4623
2019 (English)In: Journal of Materials Chemistry A, ISSN 2050-7488, Vol. 7, no 17, p. 10325-10330Article in journal (Refereed) Published
Abstract [en]

A novel procedure for the preparation of high-flux zeolite membranes was developed. This method relies on rendering the support hydrophobic, and thereby protected from the synthesis mixture and invasion of the support pores, while the cationic polymer on the surface still allowed deposition of zeolite seeds. Both high-flux MFI and CHA zeolite films were grown on both discs and tubular supports, which illustrates the applicability of the method to arbitrary membrane geometries. Typically, MFI disc membranes showed a very high CO2permeance of 85 × 10−7 mol m−2 s−1 Pa−1 and a CO2/H2 separation selectivity of 56 at 278 K and CHA disc membranes showed a very high CO2 permeance of 79 × 10−7 mol m−2 s−1 Pa−1 and a CO2/CH4 separation selectivity of 76 at 249 K. As the method is applicable to supports with complex geometries, it is suitable for preparation of membranes for industrial applications.

Place, publisher, year, edition, pages
Royal Society of Chemistry, 2019. Vol. 7, no 17, p. 10325-10330
National Category
Chemical Process Engineering
Research subject
Chemical Technology
Identifiers
URN: urn:nbn:se:ltu:diva-73583DOI: 10.1039/C9TA00789JISI: 000472183200016Scopus ID: 2-s2.0-85064990509OAI: oai:DiVA.org:ltu-73583DiVA, id: diva2:1304049
Note

Validerad;2019;Nivå 2;2019-06-24 (johcin)

Available from: 2019-04-11 Created: 2019-04-11 Last updated: 2019-07-10Bibliographically approved

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Yu, LiangHolmgren, AllanHedlund, Jonas

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