Exploration of Amine Based Nanofluids as a Potential Solvent for Post-combustion CO2 Capture

Abstract

AbstractThe substantial increase in CO2 emission over the last few decades is due to the combustion of fossil fuels for energy generation and it is responsible for the global warming issue across the world. The alternative energy sources are not sufficient to achieve the international targets for CO2 emission reduction. Carbon capture and sequestration (CCS) technology can be used as a potential tool for the significant reduction of CO2. CCS is a process which involves the capture of CO2 from large sources like fossil fuel station and transportation of CO2 via pipeline to the deep underground storage site. Three main techniques can be implemented for CO2 capture; Pre combustion capture, Post-combustion capture, and Oxy-fuel combustion. Conventional amines such as monoethanolamine (MEA), diethanolamine (DEA), and N-methyldiethanolamine (MDEA) are generally used for carbon capture. However the usage of amines solvents for absorption process suffers from various drawbacks such as high regeneration energy requirement, toxicity, solvent loss and equipment corrosion. Recent studies showed that Nano-fluids can give more absorption efficiency than conventional solvents. In this chapter, we reviewed and highlighted recent advances in the application of Nano-fluids in carbon capture. Amine based Nano-fluids can be considered as a potential alternative solvent because of its higher absorption capacity as well as enhanced mass transfer performance.KeywordsCO2AbsorptionNano-fluidsMass transfer