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CLIMIT-Forskning, utvikling og demo av CO2-håndtering

BIGGCCS (193816): Personal overseas research grant for Visiting Researcher

Tildelt: kr 65 954

Gas separation membranes are considered among one of the most promising technologies for post-combustion carbon dioxide capture. However, to compete with solvent-based systems for CO2 capture, development of membranes with improved performances (e.g. selectivity and permeance) is strongly needed. Even if membrane development experts have a good idea of what membrane properties are desired for membrane-based CO2 separation, no benchmark has been performed to quantify the membrane properties (permeance and selectivity) required for membrane process to compete with solvent-based CO2 capture. The main goal of this overseas research project is to finalize a numerical version of the attainable region approach proposed by Lindqvist et al. (2014) and use it to identify membrane properties required for membrane systems that are economically competitive with the commercial MEA-based capture technology for post-combustion CO2 capture at coal-fired power plants. Specifically, for each set of membrane permeance and selectivity considered, the numerical model will optimize the membrane capture process with a configuration up to three stages and evaluates if the best membrane process with the given properties can be economically competitive with the MEA-based CO2 capture process. The results obtained will be directly useable to identify if a given membrane with specific characteristics can be cost-competitive with MEA CO2 capture (for a given application). Thus, the assessment results can guide the development of membrane materials for cost-effective CO2 capture, as well as help the industry to select membranes that can compete with solvent-based capture systems. In addition, this research visit at CMU will help us to strengthen the collaboration initiated in 2015 on this topic and contribute to the development of future collaborations between SINTEF Energy Research and Carnegie Mellon University in the field of Carbon Capture and Storage and Clean Energy


CLIMIT-Forskning, utvikling og demo av CO2-håndtering