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Influence of support surface roughness on zeolite membrane quality
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0002-7477-4960
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0001-8663-6584
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Chemical Engineering.ORCID iD: 0000-0003-1053-4623
2020 (English)In: Microporous and Mesoporous Materials, ISSN 1387-1811, E-ISSN 1873-3093, Vol. 308, article id 110546Article in journal (Refereed) Published
Abstract [en]

Two main types of morphological features resulting in surface roughness were observed on alumina discs used as supports for zeolite membranes. These features can be described as hills and pits and it was shown that defects as cracks formed in the zeolite film at these locations of the support. It was demonstrated that the roughness of the support can be reduced significantly by a polishing strategy developed in this paper. Finally, zeolite MFI membranes grown on the polished support shows remarkably improved quality as compared to films grown on non-polished supports.

Place, publisher, year, edition, pages
Elsevier, 2020. Vol. 308, article id 110546
Keywords [en]
Defects, Permporometry, Polishing, SEM, Substrate
National Category
Chemical Process Engineering
Research subject
Chemical Technology
Identifiers
URN: urn:nbn:se:ltu:diva-80492DOI: 10.1016/j.micromeso.2020.110546ISI: 000571434000005Scopus ID: 2-s2.0-85089410418OAI: oai:DiVA.org:ltu-80492DiVA, id: diva2:1459611
Note

Validerad;2020;Nivå 2;2020-08-20 (alebob)

Available from: 2020-08-20 Created: 2020-08-20 Last updated: 2023-09-05Bibliographically approved

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Zhou, MingNabavi, Mohammad SadeghHedlund, Jonas

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