membrana híbrida orgânica-inorgânica microporosa baseado em sílica, membrana compósita, e, uso de uma membrana

A microporous organic-inorganic hybrid membrane based on silica of the invention has an average pore diameter of less than 0.6 nm, and comprises bridging organosilane moieties of the formula ≡O1.5Si-CHR-SiO1.5≡ or ≡O1.5Si-CH(CH3)-SiO1.5≡. The membrane can be used in the separation of hydrogen from m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROB KREITER, MARIA DIRKJE ANNA RIETKERK, JAAP FERDINAND VENTE, HESSEL LENNART CASTRICUM, JOHAN EVERT TEN ELSHOF, HENK MARTIN VAN VEEN
Format:	Patent
Sprache:	por
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	A microporous organic-inorganic hybrid membrane based on silica of the invention has an average pore diameter of less than 0.6 nm, and comprises bridging organosilane moieties of the formula ≡O1.5Si-CHR-SiO1.5≡ or ≡O1.5Si-CH(CH3)-SiO1.5≡. The membrane can be used in the separation of hydrogen from mixtures comprising hydrogen and CH4, CO2, CO, N2, and the like, and in the separation of water from alcohols having 1-3 carbon atoms, optionally in the presence of an inorganic or organic acid.