Bouchra Belaissaoui

15 – Hybrid amine-based PCC processes, membrane contactors for PCC

Post-combustion carbon capture using membrane contactors is discussed in this chapter. Among membrane contactor technologies, the hollow-fiber membrane contactor (HFMC) is the most studied as it permits development of the highest interfacial areas per unit volume. The main drawback of HFMC is membrane wetting; hence, the selection of the solvent–membrane combination as well as of the operating conditions is essential to proper functioning of this technology. The modeling of HFMC is detailed and an example, CO2 capture by monoethanolamine, is illustrated and discussed. Various pilot-plant investigations are analyzed, thus sharing the current advancements and obstacles in a context close to the industrial one. Finally, the application of HFMC technology in PCC, though promising, needs more research to make it competitive with packed columns in terms of robustness and economics.