Thermokinetic properties and performance evaluation of benzylamine-based solvents for CO2 capture

摘要: Abstract Carbon dioxide (CO2) post combustion capture and storage is the most mature technology option for mitigation of CO2 emissions from fossil fuel electricity generation. Typically separation at low pressure achieved by reactive chemical absorption using aqueous amines. In this work benzylamine (BZA) has been assessed in terms physical properties relevant its application as an amine absorbent. BZA was found to have similar reaction kinetics with monoethanolamine (MEA) (kcarb = 7600 M−1 s−1 35 °C Ea = 38 kJ mol−1) carbamate stability but a ∼40% larger enthalpy protonation. It also be less corrosive lower viscosity heat capacity. Significant performance gains relative MEA 30 wt% were predicted formulation either or 2-amino-2-methyl-1-proponal (AMP) reductions reboiler duty up 13%, improvements mass transfer 20% corrosion potential.