Direct Air Capture of CO <sub>2</sub> Using a Liquid Amine–Solid Carbamic Acid Phase-Separation System Using Diamines Bearing an Aminocyclohexyl Group
Soichi Kikkawa, Kazushi Amamoto, Yu Fujiki, Jun Hirayama, Gen Kato, Hiroki Miura, Tetsuya Shishido, Seiji Yamazoe
Abstract
capture rate (201 mmol/h for 1 mol of amine) suggest that the phase separation system using IPDA is robust and durable for practical use.
Topics & Concepts
Carbamic acidAmine gas treatingChemistryCarbamateDiamineDesorptionPhase (matter)IsophoroneSolventMolar ratioAdsorptionChromatographyOrganic chemistryCatalysisCarbon Dioxide Capture TechnologiesMembrane Separation and Gas TransportCarbon dioxide utilization in catalysis