Year: 2004
Type: article
Abstract: MFI‐type zeolite (ZSM5) membranes were prepared on alumina and stainless steel tubular supports and tested for the separation of CO2/N2 mixtures. The effect of several operating variables (temperature, feed and permeate pressures, feed composition, use of sweep gas, presence of water in the feed, membrane module configuration) was investigated. The separation between CO2 and N2 takes place because of the preferential adsorption of CO2, which hinders the permeation of N2 through the zeolite pore network. The best results in this work were obtained with a Na‐ZSM5 membrane, and using a large pressure gradient. In this case, a permeation flux as large as 9.2 kg/(m2 · h) [permeance of 2.6 × 10−6 mol/(m2 · s · Pa)] with a CO2/N2 separation factor of 13.7 was obtained. © 2004 American Institute of Chemical Engineers AIChE J, 50: 127–135, 2004
Source: AIChE Journal
DOI: 10.1002/aic.10012
Authors: M. P. Bernal, J. Coronas, M. Menéndez, J. Santamaría
Institution: Universidad de Zaragoza
Language: English
Subfield: Filtration and Separation
Field: Chemical Engineering
Domain: Physical Sciences
Open Access status: bronze
OpenAlex ID: W1996413005