alexa Abstract | Single Gas Permeation on γ-Alumina Ceramic Support
ISSN: 2090-4568

Journal of Advanced Chemical Engineering
Open Access

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Research Article Open Access

Abstract

This study examines the characterization (SEM-EDXA observation, BET measurement) and gas transport through a commercial tubular alumina mesoporous (20 and 500 Ǻ) support. Single gas permeation of helium (He), hydrogen (H2), nitrogen (N2) and carbon dioxide (CO2) was measured at a temperature of 450°C and feed pressures between 0.85 up to 1.0 bar. Observation of the permeance of the alumina support revealed that the transport of the gases under these conditions is governed by Knudsen diffusion. Selectivity of 2.7 was obtained for He/N2 at 1 bar. The selectivity obtained is comparable to the theoretical Knudsen value (2.65) for He/N2.

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Author(s): Mohammed Nasir Kajama, Habiba Shehu, Edidiong Okon and Ify Orakwe

Keywords

Alumina support, Gas permeation, Gas selectivity, Knudsen diffusion, Cheminformatics, Corrosion, Inorganic Chemical Technology, Mass Transfer

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