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(A) Total purification cost plotted as functions of total process CO2 emissions and thermodynamic efficiency, Reproduced from ref (136). Copyright 2021 ACS. (B) Comparison of total costs for NH3 separation process using water, IL-based process, and IL-optimized process at 2 bar, 60 °C, 50 t/h (L), 8 stages, 0.02–0.1 bar, and 110 °C (desorbers). Reproduced from ref (131). Copyright 2022 Elsevier.
