Sorpce metanolu a vody z kapalné i parní fáze v Nafionové membráně

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F06%3A00016704" target="_blank" >RIV/60461373:22340/06:00016704 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Sorption of methanol and water in Nafion membrane from liquid and vapor phase

Popis výsledku v původním jazyce

Liquid and vapor phase sorption experiments of methanol and water and their mixtures in Nafion(R)112 membrane at temperature of 298.15 K were under study. The swelling measurements of systems pure water, pure methanol and methanol/water mixtures were carried out at temperature of 298.15 K and at atmospheric pressure. Membrane sample with size 5x5 mm was cut off from supply sheet and fixed by pike inside measuring Teflon cell. Whole cell with fixed sample was located into temperature-controlled oven. Swelling on Nafion in water is approximately three times lower than in methanol and maximal value of swelling was reached for methanol/water mixture containing 75 % of methanol. Vapor phase measurements were performed by gravimetric method and from experimental data the sorption isotherms were evaluated. Determined shape of methanol isotherm (3rd-order polynomial) is in agreement with literature. From knowledge of increments of membrane sample volume and density of pure methanol and water w

Název v anglickém jazyce

Sorption of methanol and water in Nafion membrane from liquid and vapor phase

Popis výsledku anglicky

Liquid and vapor phase sorption experiments of methanol and water and their mixtures in Nafion(R)112 membrane at temperature of 298.15 K were under study. The swelling measurements of systems pure water, pure methanol and methanol/water mixtures were carried out at temperature of 298.15 K and at atmospheric pressure. Membrane sample with size 5x5 mm was cut off from supply sheet and fixed by pike inside measuring Teflon cell. Whole cell with fixed sample was located into temperature-controlled oven. Swelling on Nafion in water is approximately three times lower than in methanol and maximal value of swelling was reached for methanol/water mixture containing 75 % of methanol. Vapor phase measurements were performed by gravimetric method and from experimental data the sorption isotherms were evaluated. Determined shape of methanol isotherm (3rd-order polynomial) is in agreement with literature. From knowledge of increments of membrane sample volume and density of pure methanol and water w

Druh

D - Stať ve sborníku

CEP obor

CF - Fyzikální chemie a teoretická chemie

OECD FORD obor

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Projekt

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Návaznosti

Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2006

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Sborník 17th International Congress of Chemical and Process Engineering

ISBN

80-86059-45-6

ISSN

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e-ISSN

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Počet stran výsledku

5

Strana od-do

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Název nakladatele

ČSCHI

Místo vydání

Praha

Místo konání akce

Praha

Datum konání akce

27. 8. 2006

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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