Several task-specific ionic liquids(TSILs)with weak alkalinity have been designed based on tetraalkyl-ammonium cation and L-alanine anion([N<sub>2222</sub>][L-Ala])for the CO<sub>2</sub>absorpt...Several task-specific ionic liquids(TSILs)with weak alkalinity have been designed based on tetraalkyl-ammonium cation and L-alanine anion([N<sub>2222</sub>][L-Ala])for the CO<sub>2</sub>absorption.[N<sub>2222</sub>][L-Ala]has been chosen as a green and efficient activator for methyldiethanolamine(MDEA).The densities,viscosities and absorption properties of the equimolar[N<sub>2222</sub>][L-Ala]-MDEA blended absorbents were investigated.Low viscosity and density values support the idea that blended absorbents are preferred in the industrial applications.[N<sub>2222</sub>][L-Ala]-MDEA behave similarly to the aqueous counterparts but offer more advantages,such as large absorption capacities,fast absorption rate and relatively low damage to the environment.展开更多
基金supported by the National Natural Science Foundation(21076101)Technological Support Project of Jiangsu Province(SBE 201000600)
文摘Several task-specific ionic liquids(TSILs)with weak alkalinity have been designed based on tetraalkyl-ammonium cation and L-alanine anion([N<sub>2222</sub>][L-Ala])for the CO<sub>2</sub>absorption.[N<sub>2222</sub>][L-Ala]has been chosen as a green and efficient activator for methyldiethanolamine(MDEA).The densities,viscosities and absorption properties of the equimolar[N<sub>2222</sub>][L-Ala]-MDEA blended absorbents were investigated.Low viscosity and density values support the idea that blended absorbents are preferred in the industrial applications.[N<sub>2222</sub>][L-Ala]-MDEA behave similarly to the aqueous counterparts but offer more advantages,such as large absorption capacities,fast absorption rate and relatively low damage to the environment.
