Experimental determination of CO sub(2) diffusion coefficient in aqueous solutions under pressure at room temperature via Raman spectroscopy: impact of salinity (NaCl)

• Published in: Journal of Raman spectroscopy Vol. 46; no. 10; pp. 1025 - 1032
• Main Authors: Belgodere, Clement, Dubessy, Jean, Vautrin, Denis, Caumon, Marie-Camille, Sterpenich, Jerome, Pironon, Jacques, Robert, Pascal, Randi, Aurelien, Birat, Jean-Pierre
• Format: Journal Article
• Language: English
• Published: 01.01.2015
• Subjects: Aqueous solutions; Aquifers; Carbon dioxide; Diffusion; Diffusion coefficient; Dissolution; Microspectrometry; Salinity

The accurate determination of the diffusion coefficient of dissolved CO sub(2) in aqueous solutions is a key parameter to predict the transport of the dissolved gas in the aqueous solution of porous aquifers and caprocks in the context of the mitigation of greenhouse gases emissions. A better unders...