About: Separation properties of a polyethylene membrane and model calculations

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Pervaporation of liquid binary mixtures (methanol, ethanol, propan-1-ol, butan-1-ol, pentan-1-ol, hexan-1-ol with toluene) through the low density polyethylene membrane Bralen is complex process which is influenced by many factors. It turns out that the strong non-ideal solubility and diffusivity behavior of measured liquid binary mixture components in polyethylene membrane and diffusive coupling effects play the dominant roles in the pervaporation process. Therefore the results based on the 1st Fick Law with constant diffusion coefficients are completely unsatisfactory. An essential improvement of the model description can be achieved by modified Maxwell-Stefan equations with one additional adjustable parameter. Application of the model requires not only the knowledge of dependence of the polymer density on concentration but also concentration dependence of diffusion coefficients of pure component in the membrane active layer and solubility coefficients. In order to obtain sorption data on liquid m Pervaporation of liquid binary mixtures (methanol, ethanol, propan-1-ol, butan-1-ol, pentan-1-ol, hexan-1-ol with toluene) through the low density polyethylene membrane Bralen is complex process which is influenced by many factors. It turns out that the strong non-ideal solubility and diffusivity behavior of measured liquid binary mixture components in polyethylene membrane and diffusive coupling effects play the dominant roles in the pervaporation process. Therefore the results based on the 1st Fick Law with constant diffusion coefficients are completely unsatisfactory. An essential improvement of the model description can be achieved by modified Maxwell-Stefan equations with one additional adjustable parameter. Application of the model requires not only the knowledge of dependence of the polymer density on concentration but also concentration dependence of diffusion coefficients of pure component in the membrane active layer and solubility coefficients. In order to obtain sorption data on liquid m (en)
Title	Separation properties of a polyethylene membrane and model calculations Separation properties of a polyethylene membrane and model calculations (en)
skos:prefLabel	Separation properties of a polyethylene membrane and model calculations Separation properties of a polyethylene membrane and model calculations (en)
skos:notation	RIV/60461373:22340/02:00007004!RIV/2004/MSM/223404/N
http://linked.open.../vavai/riv/strany	P3.53.1;P3.53.6
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 223400008)
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Friess, Karel Šípek, Milan Bartovská, Lidmila Machková, Jaroslava
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 chemicko-inženýrská
http://linked.open...dnocenehoVysledku	663334
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/02:00007004
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Pervaporation; sorption; modified Maxwell-Stefan equations; polymer membrane; (en)
http://linked.open.../riv/klicoveSlovo	polymer membrane sorption Pervaporation modified Maxwell-Stefan equations
http://linked.open...ontrolniKodProRIV	[ECDDA663FE3A]
http://linked.open...v/mistoKonaniAkce	Praha, Česká republika
http://linked.open...i/riv/mistoVydani	Praha, Česká republika
http://linked.open...i/riv/nazevZdroje	The CD with full texts of the contributions of the 15th International Congress of Chemical and Process Engineering CHISA 2002
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2002
http://linked.open...iv/tvurceVysledku	Izák, Pavel Friess, Karel Šípek, Milan Uchytil, Petr Bartovská, Lidmila Machková, Jaroslava Habrdová, Kateřina
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2002-08-25 (xsd:date)
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20223400008
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Česká společnost chemického inženýrství
https://schema.org/isbn	80-86059-33-2
http://localhost/t...ganizacniJednotka	22340

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