Absorption and Mass Transfer of CO2 in Monoethanolamine Solution

Pao Chi Chen; Sheng Zhong Lin

doi:10.4028/www.scientific.net/MSF.859.153

Paper Titles

Dynamical Modeling and Intelligent Control of Aeration Process for Pollutants Degradation in Technics of SBR
p.127

Characteristics and Regeneration Properties of Manganese Oxide Sorbent under O₂ Atmosphere
p.134

The Regeneration Properties of Manganese Oxide Sorbent under SO₂Atmosphere
p.140

Regeneration Kinetics Study of Fe₂O₃ Desulfurization Sorbents in SO₂ Atmosphere
p.146

Absorption and Mass Transfer of CO₂ in Monoethanolamine Solution
p.153

Ethylene Oligomerization by Novel Iron (II) Diimine Complexe
p.158

Dynamic Colour Change of Multifunctional Thermochromic-Fluorescent Pigments
p.162

Effect of Platinum Particle Size and Oxygen Pressure on Activity of Platinum/Carbon Gas Diffusion Electrodes in High Temperature Acid Medium
p.169

Composition and Spectral Investigation for Tetranitro Iron Phthalocyanine
p.175

HomeMaterials Science ForumMaterials Science Forum Vol. 859Absorption and Mass Transfer of CO2 in...

Absorption and Mass Transfer of CO₂ in Monoethanolamine Solution

Abstract:

This work uses a continuous bubble-column scrubber for the absorption of CO₂ with a 5M MEA solution under a constant pH environment to explore the effect of the pH of the solution and gas-flow rate (Q_g) on the removal efficiency (E), absorption rate (R_A), overall mass-transfer coefficient (K_Ga), liquid flow rate (Q_L), gas-liquid flow ratio (γ), and scrubbing factors (φ). From the outlet CO₂ concentration with a two-film model, E, R_A, K_Ga, Q_L, γ, and φ can be simultaneously determined at the steady state. Depending on the operating conditions, the results show that E (80-97%), R_A(2.91x10^-4-10.0x10^-4mol/s-L), K_Ga (0.09-0.48 1/s), Q_L(8.74-230.8mL/min), γ (0.19-5.39), and φ (0.031-0.74 mol/mol-L) are found to be comparable with other solvents. In addition, R_A, K_Ga, E, and Q_L have been used to correlate with pH and Q_g, respectively, with the results further explained.

You might also be interested in these eBooks

View Preview

Info:

Periodical:

Materials Science Forum (Volume 859)

Pages:

153-157

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.859.153

Citation:

Cite this paper

Online since:

May 2016

Authors:

Pao Chi Chen*, Sheng Zhong Lin

Keywords:

Absorption, Bubble Column, Monoethanolamine

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

Citation:

* - Corresponding Author

References

[1] H.P. Mangalapally, R. Notz, S. Hoch, N. Asprion, G. Sieder, H. Garcia, H. Hasse, Pilot plant experimental studies of post combustion CO2 capture by reactive absorption with MEA and new solvents, Energy Procedia. 1 (2009) 963–70.

DOI: 10.1016/j.egypro.2009.01.128

Google Scholar

[2] G. F. Versteeg, L.A.J. Van Dijck, W.P.M. Van Awaaij, On the kinetics between CO2 and alkalinoamines both in aqueous and non-aqueous solutions, An Overview, Chem. Eng. Comm. 144(1996)113-58.

DOI: 10.1080/00986449608936450

Google Scholar

[3] B.A. Oyenekan, G. T. Rochelle, Alternative stripper configurations for CO2 capture by aqueous amines, AIChE J. 53 (2007) 3144-50.

DOI: 10.1002/aic.11316

Google Scholar

[4] T.K. Sherwood, R.L. Pigford, C.R. Wilke, Mass Transfer, McGraw-Hill Inc., New York, (1975).

Google Scholar

[5] M. Cournil, J.M. Herri, Asymptotic models for gas-liquid crystallization in two-film Systems, AIChE J., 49 (2003) 2031-38.

DOI: 10.1002/aic.690490813

Google Scholar

[6] L.S. Fan, Gas-Liquid-Solid Fluidization Engineering, Butterworths, New York, (1989).

Google Scholar

[7] L. Cheng, T. Li, T.C. Keen, J.Y. Lee, A mass transfer model of absorption of carbon dioxide in a bubble column reactor by using magnesium hydroxide slurry, Inter. J. Greenh. Gas Control. 17(2013)240-249.

DOI: 10.1016/j.ijggc.2013.05.018

Google Scholar

[8] P.C. Chen, Y. X. Luo, P. W. Cai, Capture of carbon dioxide using monoethanolamine in a bubble-column scrubber, Chem. Eng. & Technol. 38 (2015) 274-82.

DOI: 10.1002/ceat.201400240

Google Scholar