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Could you please advise on how to determine the equilibrium concentration of CO2 when it is absorbed by an MDEA aqueous solution? I am trying to find the distribution coefficient of a CO2/N2 mixture in a 30% MDEA aqueous solution. Please help, experts!
To find information on the equilibrium concentration and distribution coefficient of methylenediamine ethanol (MDEA) aqueous solutions in absorbing carbon dioxide (CO2), the following approaches can be used: 1. **Professional books and scientific literature:** You can visit libraries or online databases to search for professional books and journal articles related to gas absorption and solvent selection. Common scientific databases include ScienceDirect, SpringerLink, Wiley Online Library, ACS Publications, etc. You can use keyword searches, such as “MDEA-CO2 absorption”, “MDEA equilibrium concentration”, “CO2/N2 separation”, etc. 2. **Chemical engineering software:** By using chemical process simulation software such as Aspen Plus, HYSYS, or ProMax, it is possible to predict gas-liquid equilibrium data under various operating conditions by creating models and running simulations. Software databases usually contain property data and interaction parameters for many commonly used absorbents. Generally, the distribution coefficient is influenced by various factors such as solvent concentration, temperature, pressure, and gas composition; therefore, it is usually necessary to determine or calculate this value under specific conditions. If you need to conduct experiments to determine these parameters, it is recommended to design the experiments in accordance with relevant experimental standards and guidelines. .
Simulation is possible in Aspen, with a Henry coefficient
Files? I remember there seem to be examples in Aspen
Yes, I’m not very good at using it :(