Measurements of CO2-Rich Mixture Properties: Status and CCS Needs
Journal article, Peer reviewed
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OriginalversjonEnergy Procedia. 2016, 86 469-478. 10.1016/j.egypro.2016.01.048
In order to design and operate current and future CCS system and processes, accurate predictions of the behavior of the fluids involved is necessary. Currently, there are large knowledge gaps for fundamental properties needed to build models that can provide such predictions. Pure CO2 is relatively well known, but in real processes there will be impurities that may have large impact. Hence, SINTEF Energy Research, Norwegian University of Science and Technology, and Ruhr-Universität Bochum are performing a project to close some of these knowledge gaps named CO2Mix. In the current paper, the need for new data will be explained, and some of the results produced so far in the project will be presented, including the establishment of highly accurate setups for the measurement of phase equilibria, density, and speed of sound, as well as new property data produced by these setups. Although the project has and will close important data gaps, more work is needed both with regards to the aforementioned target properties and other thermos-physical properties.