A solvent system comprising a diluent and a nitrogenous base for the removal of CO.sub.2 from mixed gas streams is provided. Also provided is a process for removing CO.sub.2 from mixed gas streams using the disclosed solvent system. The solvent system may be utilized within a gas processing system.
Regenerable Solvent Mixtures for Acid-Gas Separation
Coleman, L., & Lail, M. (2017). Regenerable Solvent Mixtures for Acid-Gas Separation. (U.S. Patent No. 9,707,510).