About: Ways of approaching continuous ZIF-8 membrane layers

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this paper, we report simple and straightforward synthesis routes that enable fabrication of continuous ZIF-8 membrane layers on stainless steel and ceramic supports. The developed methods are based on various support surface modifications (i.e. 2-methylimidazole, zinc) and optimised in-situ solvothermal growth. These strategies result in strong bonding between the support and modifying species, consequently promoting heterogeneous nucleation and crystal growth. Synthesised membranes exhibit wellintergrown rhombic dodocahedral microstructures characterised by narrow particle size distribution and average crystal size of about 10-15 ?m (depending on the synthesis route). The repeatability of the methods was achieved via the control of the liquid/gas composition and the elimination of air bubbles present on the support surface. The former enabled method consistency, whilst the latter significantly improved the surface coverage. Finally, the CH4/CO2 separation performance of several scaled-up membranes was evaluated, revealing that the process is governed by the combination of surface and Knudsen diffusion. In this paper, we report simple and straightforward synthesis routes that enable fabrication of continuous ZIF-8 membrane layers on stainless steel and ceramic supports. The developed methods are based on various support surface modifications (i.e. 2-methylimidazole, zinc) and optimised in-situ solvothermal growth. These strategies result in strong bonding between the support and modifying species, consequently promoting heterogeneous nucleation and crystal growth. Synthesised membranes exhibit wellintergrown rhombic dodocahedral microstructures characterised by narrow particle size distribution and average crystal size of about 10-15 ?m (depending on the synthesis route). The repeatability of the methods was achieved via the control of the liquid/gas composition and the elimination of air bubbles present on the support surface. The former enabled method consistency, whilst the latter significantly improved the surface coverage. Finally, the CH4/CO2 separation performance of several scaled-up membranes was evaluated, revealing that the process is governed by the combination of surface and Knudsen diffusion. (en)
Title	Ways of approaching continuous ZIF-8 membrane layers Ways of approaching continuous ZIF-8 membrane layers (en)
skos:prefLabel	Ways of approaching continuous ZIF-8 membrane layers Ways of approaching continuous ZIF-8 membrane layers (en)
skos:notation	RIV/60461373:22310/13:43895612!RIV14-MSM-22310___
http://linked.open...avai/riv/aktivita	I S
http://linked.open...avai/riv/aktivity	I, S
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Fíla, Vlastimil Cookney, Joanna
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	117147
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/13:43895612
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	carbon dioxide; methane; crystal growth; solvothermal synthesis; ZIF-8 membrane (en)
http://linked.open.../riv/klicoveSlovo	carbon dioxide crystal growth solvothermal synthesis ZIF-8 membrane methane
http://linked.open...ontrolniKodProRIV	[E48777D7F547]
http://linked.open...v/mistoKonaniAkce	Warsaw
http://linked.open...i/riv/mistoVydani	Warsaw
http://linked.open...i/riv/nazevZdroje	Proceedings of 6th Membrane Conference of Visegrad Countries
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Fíla, Vlastimil Hrabánek, Pavel Cookney, Joanna Lecoanet, Kevin
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2013-09-15 (xsd:date)
number of pages	9 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Polish Membrane Society
https://schema.org/isbn	978-83-7789-227-5
http://localhost/t...ganizacniJednotka	22310

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