Fig. 3.

Example of CO₂ capture by liquid sorbents. (A) Schematic of the solvent addition ammonia/carbon dioxide carbon capture process (Reprinted with permission from ref. [86]. Copyright (2016) American Chemical Society). (B) Schematic diagram of carbon black nanoparticle CO₂ regeneration (Used with permission of Royal Society of Chemistry, from ref. [87], permission conveyed through Copyright Clearance Center, Inc.). (C) Schematic illustration of the developed flow chemistry platform utilizing a tube-in-tube packed-bed microreactor for continuous solar-enabled CO₂ desorption from aqueous amines (Reprinted with permission from ref. [88]. Copyright (2021) American Chemical Society). (D) Concept illustration of the CO₂ capture material based on the Pickering emulsion (Used with permission of Royal Society of Chemistry, from ref. [89], permission conveyed through Copyright Clearance Center, Inc.). hv, light energy; MFC, mass flow controller; W, Power of light source; L, distance; CNT, carbon nanotube.