Pressure swing adsorption (PSA) processes rely on the fact that under pressure, gases tend to be attracted to solid surfaces. Different gases tend to be attracted to different solid surfaces more or less strongly. As a result, PSA processes are widely used for gas separation and purification. For example, green technology research employs PSA to capture carbon dioxide from coal-fired power plants in order to reduce greenhouse gas production. PSA is utilized by the medical industry to separate and produce high-purity oxygen from air.
The ASAP 2050 Xtended Pressure Sorption Analyzer (xPSA) is an easy-to-use instrument capable of collecting adsorption data in an elevated-pressure environment. The instrument is designed to characterize zeolites and novel new materials such as metal organic frameworks (MOF) and other crystalline materials used in PSA processes. Rapidly obtained isotherms using a wide range of gases and the heat of adsorption are routinely determined from this characterization.
The ASAP 2050 analysis manifold is equipped with a pressure transducer capable of operating from vacuum to 10 atmospheres. The instrument may be used with a large variety of gases including: methane, ethane, ethylene, propane, propylene, butane, carbon dioxide, carbon monoxide, nitrogen, oxygen, argon, and nitrous oxide.
Retaining many design elements of Micromeritics’ popular ASAP 2020, the ASAP 2050 includes two independent vacuum systems that allow simultaneous preparation of two samples and analysis of another. Sample preparation and analysis can occur concurrently without interruption and without the risk of cross-contamination.
In addition to controlling the instrument’s operation, powerful Windows® software also reduces the raw data collected during the analysis. An interactive reporting system includes an extremely versatile graphic user interface for custom presentation of results. The standard ASAP 2050 system offers a wide variety of reports, including DFT (Density Functional Theory / NLDFT), BET surface area, pore size distributions, and isotherm cycling.
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