Have a personal or library account? Click to login
Degradation of Amine Solvents Used for Co2 Removal from Flue Gas with High Co2 Concentration Cover

Degradation of Amine Solvents Used for Co2 Removal from Flue Gas with High Co2 Concentration

Architecture, Civil Engineering, Environment
Volume 14 (2021): Issue 1 (March 2021)
By: Andrzej WILK,  Tomasz SPIETZ,  Lucyna WIĘCŁAW-SOLNY,  Aleksander KRÓTKI and  Justyna TARNOWSKA  
Open Access
|Apr 2021

Figures & Tables

Figure 1.

Main points of degradation process occurrence in the amine scrubbing systems
Main points of degradation process occurrence in the amine scrubbing systems

Figure 2.

Major degradation products of MEA formed in absorption and desorption columns
Major degradation products of MEA formed in absorption and desorption columns

Figure 3.

Comparison of high molecular oxidative degradation products of MEA formed in absorption and desorption columns
Comparison of high molecular oxidative degradation products of MEA formed in absorption and desorption columns

Figure 4.

The calculated loss of MEA in the lean solvent (in the desorber)
The calculated loss of MEA in the lean solvent (in the desorber)

Figure 5.

The calculated loss of MEA in the rich solvent (in the absorber)
The calculated loss of MEA in the rich solvent (in the absorber)

The results of analyzed samples

No. sampleOZDHEEDAHEIAHEAHEI
mol/dm3
A3.10.0080.0020.0100.0250.045
A4.10.0150.0120.0210.0180.021
A3.20.0120.0080.0180.0330.068
A4.20.0210.0110.0290.0240.037
A3.30.0260.0160.0330.0410.087
A4.30.0480.0240.0480.0280.074
A3.40.0350.0210.0400.0870.099
A4.40.0520.0480.0640.0340.076
A3.50.0370.0290.0540.0670.084
A4.50.0580.0480.0730.0520.070

Degradation products of MEA determined in this work

Abbr.NameFormulaMolar mass g/molCAS
HEI1-(2-hydroxyethyl)imidazole 1121615-14-1
HEIAN-(2-hydroxyethyl)-2-imidazolidinone 1303699-54-5
HEEDAN-(2-hydroxyethyl)ethylenediamine 104111-4-1
HEAN-(2-hydroxyethyl)acetamide 103142-26-7
OZD2-oxazolidinone 87497-25-6

Repeatability and precision for all determined compounds, expressed as the variation coefficient

Determined compoundRepeatability [%]Intermediate precision [%]
OZD4.995.76
HEDDA3.784.15
HEIA4.205.06
HEA5.496.45
HEI6.797.24

Average retention time and average response factor for measured compounds

Determined compoundMean retention time for 10 repetitions, minMean response factor for 5 repetitions
OZD17.250.505
HEDDA14.100.627
HEIA24.840.728
HEA16.560.569
HEI19.960.496

The parameters of chromatographic analysis

ParameterValue
Dispenser temperature250°C
Initial oven temperature40°C
Final oven temperature250°C
Oven temperature increase6°C/min
Carrier gas flow rate1.0 ml/min
Split ratio10
Transfer line temperature250°C
MSD working modeSIM/FULL SCAN
Ionization TypeElectron (EI)
DOI: https://doi.org/10.21307/acee-2021-011 | Journal eISSN: 2720-6947 | Journal ISSN: 1899-0142
Journal RSS Feed
Language: English
Page range: 115 - 124
Submitted on: Nov 9, 2021
Accepted on: Dec 7, 2021
Published on: Apr 17, 2021
Published by: Silesian University of Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
Carbon dioxide,
CCS,
Degradation,
GC-MS,
Monoethanolamine
Related subjects:
Architecture and design,
Architecture,
Architects, buildings

© 2021 Andrzej WILK, Tomasz SPIETZ, Lucyna WIĘCŁAW-SOLNY, Aleksander KRÓTKI, Justyna TARNOWSKA, published by Silesian University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Previous articleVolume 14 (2021): Issue 1 (March 2021)