A comparison of the CO2 capture characteristics of zeolites and metal–organic frameworks

Separation and Purification Technology, Volume 87, 5 March 2012, Pages 120–126
A comparison of the CO2 capture characteristics of zeolites and metal–organic frameworks
Rajamani Krishna, , Jasper M. van Baten
Van ‘t Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands
Abstract
Pressure swing adsorption (PSA), using a packed bed of adsorbents is a leading contender in the quest for novel adsorbents for CO₂ capture.
The candidate adsorbents are often structured micro-porous materials such as metal organic frameworks (MOFs), zeolitic imidazolate frameworks (ZIFs), and zeolites. The most common method of screening and selecting adsorbents is on the basis of adsorption selectivity. Besides adsorption selectivity, the performance, and economics, of a PSA unit is governed by a number of other factors, notably the working capacity. Authors investigate the relative importance of selectivity and capacity on PSA performance.
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