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Solubility of CO2 in reactive solvents for post-combustion CO2 capture
Rayer, A. V., Henni, A., Sema, T., Sumon, K. Z., Idem, R., & Tontiwachwuthikul, P. (2013). Solubility of CO2 in reactive solvents for post-combustion CO2 capture. In Future Science Book Series: Recent Progress and New Developments in Post-Combustion Carbon-Capture Technology with Reactive Solvents
Amine-based reactive solvents form the basis of the state-of-the art technologies for large-scale CO2 capture from flue gas streams. The key information required in the design and operation of a CO2 capture plant is the solubility of CO2 in the solvent in a wide range of temperatures and pressures that can be used to determine the absorption capacity. Absorption capacity of a solvent is also used as a yardstick in solvent screening. Recent screening solubility studies were published by Singh et al.[1,2], Puxity et al.[3], Chowdhury et al.[4,5] and Porcheron et al.[6,7]. The latest reviews on the solubility of CO2 in amine solutions were published in 2000 by Rochelle et al.[8], in 2007 by Anufrikov et al.[9] and finally in 2013 by Rayer et al.[10]. This chapter highlights the experimental techniques commonly used to determine the solubility, trends in solubility of CO2 in a variety of solvents and recent applications of rigorous vapor–liquid equilibria models used in correlating solubility data.