Mathematical modeling of dispersed CO2 dissolution in ionic liquids: Application to carbon capture

被引:3
作者
Amin, Parsa [1 ]
Memarian, Alireza [2 ]
Repo, Eveliina [1 ]
Andersson, Martin [4 ]
Mansouri, Seyed Soheil [5 ]
Zendehboudi, Sohrab [3 ]
Rezaei, Nima [1 ]
机构
[1] LUT Univ, LUT Sch Engn Sci, POB 20, Lappeenranta 53850, Finland
[2] Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB, Canada
[3] Mem Univ, Dept Proc Engn, St John, NF, Canada
[4] King Fahd Univ Petr & Minerals, Ctr Integrat Petr Res, Dhahran, Saudi Arabia
[5] Tech Univ Denmark, Dept Chem & Biochem Engn, Lyngby, Denmark
关键词
Carbon capture; Ionic liquids; Sparging; CFD modelling; Computer-aided design; CO2; CAPTURE; PRE-COMBUSTION; SOLUBILITY; DENSITY; TRICYANOMETHANIDE; DIFFUSIVITY; COMPOSITE; MIXTURES; PRESSURE; SYSTEMS;
D O I
10.1016/j.molliq.2024.124486
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We develope a 2D computational fluid dynamic (CFD) model in COMSOL Multiphysics (R) to investigate CO2 absorption in an ionic liquid ([Bmim][TCM]). Factors such as pressure (1-20 bar), temperature (278-330 K), inlet gas velocity (0.0001-1 ms(-1) ), sparger radius to column diameter ratio (0.1-0.5), and column height to diameter ratio (1-3) are investigated. A quadratic model for absorption behavior (p-value < 0.0001 and R-2 > 0.98) is developed. Four sparger geometries are considered, and the optimal values for column height to diameter and sparger radius to column diameter are estimated. The maximum CO2 concentration is obtained at a pressure of 18.26 bar, temperature of 309.5 K, velocity of 0.825 ms(-1) , the sparger radius to column diameter of 0.414, and column height to diameter of 2.5.
引用
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页数:11
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