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Oxidative Degradation of Monoethanolamine
Abstract
Oxidative degradation of monoethanolamine (MEA) was studied at 55 °C, typical of absorbers for CO 2 removal from flue gas. The rate of evolution of NH 3, which was indicative of the overall rate of degradation, was measured continuously in a batch system sparged with air. Dissolved iron from 0.0001 to 1 mM yielded oxidation rates from 0.37 to 2 mM/h in MEA solutions loaded with 0.4 mol CO 2 /mol MEA. Ethylenediaminetetraacetic acid (EDTA) and N, N -bis(2-hydroxyethyl)glycine effectively decreased the rate of oxidation in the presence of iron by 40−50%. Ferrous caused oxidation in unloaded MEA with stoichiometry from 0.1 to 0.33 mol NH 3 /mol Fe 2+ . Fe 2+ from 0.0001 to 3.2 mM yielded rates from 0.12 to 1.1 mM/h. Ferric did not appear to catalyze oxidation in unloaded MEA.
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Cited by
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García, G., Aparicio, S., Ullah, R., & Atilhan, M. (2015) · Energy & Fuels · doi:10.1021/ef5028873 · Cited by 1,112
Air as the renewable carbon source of the future: an overview of CO2 capture from the atmosphere
Goeppert, A., Czaun, M., Surya Prakash, G. K., & Olah, G. A. (2012) · Energy & Environmental Science · doi:10.1039/c2ee21586a · Cited by 724
Amine degradation in CO2 capture. I. A review
Gouedard, C., Picq, D., Launay, F., & Carrette, P.-L. (2012) · International Journal of Greenhouse Gas Control · doi:10.1016/j.ijggc.2012.06.015 · Cited by 560
Calcium looping sorbents for CO2 capture
Erans, M., Manovic, V., & Anthony, E. J. (2016) · Applied Energy · doi:10.1016/j.apenergy.2016.07.074 · Cited by 369
Monoethanolamine Degradation: O2 Mass Transfer Effects under CO2 Capture Conditions
Goff, G. S., & Rochelle, G. T. (2004) · Industrial & Engineering Chemistry Research · doi:10.1021/ie0400245 · Cited by 293
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Metadata
- Authors
- Chi, S., & Rochelle, G. T.
- Venue
- Industrial & Engineering Chemistry Research
- Publisher
- American Chemical Society (ACS)
- Published
- 2002-07-19
- Volume
- 41
- Issue
- 17
- Pages
- 4178-4186
- ISSN
- 0888-5885 (ISSN-L)
- 1520-5045
- OpenAlex
- W2047267519
- Cited by
- 343
- References
- 0
- FWCI
- 11.18
- Type
- journal article
- Language
- en
- Open access
- closed
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