Characterization and adsorptive application of ordered mesoporous silicas

The adsorption behaviour of the n-octane/ethanol binary liquid mixture has been studied on ordered mesoporous silica materials. Adsorption excesses on SBA-15, SBA-16 and MCM-48 solids are measured and described by mathematical functions. The experimental adsorption excess isotherms are presented and...

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Veröffentlicht in:	Applied surface science 2007-04, Vol.253 (13), p.5666-5670
Hauptverfasser:	Rockmann, Rico, Kalies, Grit
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption excess Binary liquid mixture Characterization Condensed matter: structure, mechanical and thermal properties Disordered solids Exact sciences and technology Liquid/solid interface Ordered mesoporous solid Physics Powders, porous materials Solid surfaces and solid-solid interfaces Structure of solids and liquids crystallography Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) Thermal analysis
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Beschreibung
Zusammenfassung:	The adsorption behaviour of the n-octane/ethanol binary liquid mixture has been studied on ordered mesoporous silica materials. Adsorption excesses on SBA-15, SBA-16 and MCM-48 solids are measured and described by mathematical functions. The experimental adsorption excess isotherms are presented and discussed. The mesoporous silicas used for liquid-adsorption experiments are characterized by nitrogen adsorption before and after liquid adsorption by the powder X-ray diffraction (XRD) and by the sample controlled thermal analysis (SCTA).
ISSN:	0169-4332 1873-5584
DOI:	10.1016/j.apsusc.2006.12.105