Absorption capacity and viscosity for CO2 capture process using [N-1111][Gly] promoted K2CO3 aqueous solution

作者：Fu, Dong^*; Xie, Jialin

来源：Journal of Chemical Thermodynamics, 2016, 102: 310-315.

DOI：10.1016/j.jct.2016.07.026

• Absorption performance
• Viscosity
• CO2
• [N-1111][Gly]
• K2CO3

Absorption performance of carbon dioxide (CO2)-Anitrogen (N-2) mixture in tetramethylammonium glycinate ([N-1111][Gly]) promoted potassium carbonate (K2CO3) aqueous solution was investigated. The mass fractions of [N-1111][Gly] and K2CO3 respectively ranged from 0 to 0.075 and 0.15 to 0.25. The temperature ranged from 303.2 K to 323.2 K. The mole fraction of CO2 in CO2-AN(2) mixture ranged from 0.3 to 1.0. Results showed that the absorption of CO2 can be accelerated remarkably when K2CO3 aqueous solution was promoted by small amount of [N-1111][Gly]. The effects of temperature, solution composition and partial pressure of CO2 on the absorption capacity were illustrated. The viscosities of K2CO3-[N-1111][Gly] aqueous solutions were measured and correlated, and the effects of temperature and mass fractions of K2CO3 and [N-1111][Gly] on viscosities were demonstrated on the basis of experiments and calculations.

• 出版日期2016-11
• 单位华北电力大学（保定）; 华北电力大学