Modeling of a bubble column for CO2 removal by absorption with NaOH

被引：3

作者：

Michelson, Johan ^{[1
]}

Maki-Arvela, Paivi ^{[1
]}

Rajala, Pasi ^{[2
]}

Hallapuro, Markus ^{[2
]}

Schmid, Daniel ^{[1
]}

Karlstrom, Oskar ^{[1
,3
]}

Warna, Johan ^{[1
]}

Murzin, Dmitry Yu ^{[1
]}

机构：

[1] Abo Akad Univ, Johan Gadolin Proc Chem Ctr, Turku 20500, Finland

[2] TM Syst Finland Oy, Turku, Finland

[3] Univ Turku, Dept Mech & Mat Engn, Ind Engn & Management, Turku, Finland

来源：

CHEMICAL ENGINEERING COMMUNICATIONS | 2024年 / 211卷 / 04期

关键词：

CO2; removal; NaOH; absorption isotherm; pH dependence; modelling; bubble column; CARBON-DIOXIDE CAPTURE; MASS-TRANSFER; CHEMISORPTION;

D O I：

10.1080/00986445.2023.2261105

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

CO2 capture experiments were carried out in a small-scale bubble column reactor using alkaline solutions of sodium hydroxide. The results of the experiments show that a higher NaOH content in the liquid phase and elevated CO2 concentrations in the gas mixture led to a higher CO2 removal efficiency. A mathematical model was developed to describe the CO2 absorption as a function of CO2 gas inlet and OH- concentrations at low CO2 and OH- concentrations. The CO2 uptake at high OH- concentrations (high pH) was accurately predicted by the model, whereas the CO2 uptake at lower OH- concentrations could not be predicted with the same accuracy.

引用

页码：571 / 581

页数：11

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