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1. INTRODUCTION In the context of sustainable development and clean energy production, one of the most important alternatives to mitigate anthropogenic CO2 emissions is to capture and separate CO2 (CCS) from diluted sources, such as gases emitted from fossil fuel combustion and other industrial processes.1,2 CCS is already done at different industrial processes, depending on the targeted final use of the CO2. In this sense, absorption by amine solvents has been long used in industry for gas removal due to the high CO2 selectivity achieved at the chemisorption solvent process.3 However, chemical absorption is an energy intensive process in which more than 30% of total energy is consumed for evaporation/thermal regeneration: the amine absorption/stripping technology from a conventional coal-fired power plant requires around 3-4 GJth/tonne-CO2 4 with an overall cost of the capture process between 51–82 US$/tonne-CO2.5 Besides, this process presents some disadvantages such as low contact area between gas and liquid, losses due to evaporation and tendency to induce corrosion and degradation in the presence of oxygenated compounds, among others.6 Hence, finding alternative methods for efficiently separating CO2 from a gas stream at a large scale remains an area of active research. Among the alternative methods for CO2 separation, the selective isolation of the gases near room temperature, known as Swing Adsorption Processes, can reduce the dependence of the less efficient energy processes in specialized applications and represents a revolutionary advance in order to achieve a more dynamic production at industrial level. These swing adsorption cycles have attracted a great attention since the theoretically minimum energy required for recovery of CO2 from a flue gas and compression up to 150 bar is about 0.75 GJ/tonne-CO2.5 4PDF Image | swing adsorption processes for CO2 capture in selected MOFs and zeolites
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