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See detailSO2 effect on oxidative degradation of monoethanolamine for post combustion CO2 capture
Benkoussas, Hana ULiege; Dubrulle, Louis ULiege; Léonard, Grégoire ULiege

Poster (2018, October 23)

The most conventional amine used in the post combustion capture technology, based on chemical absorption, is monoethanolamine (MEA). Depending on the composition of the flue gas to be treated, several ... [more ▼]

The most conventional amine used in the post combustion capture technology, based on chemical absorption, is monoethanolamine (MEA). Depending on the composition of the flue gas to be treated, several mechanisms of amine degradation occur. This leads to a loss of CO2 absorption capacity and may give rise to products that are environmentally difficult to dispose of. Results from CO2 capture pilot plants showed that oxidative degradation due to the presence of oxygen in the flue gas is the main degradation pathway. Furthermore, MEA degrades when exposed to a flue gas containing an amount of sulfur dioxide (SO2). Until now there is not a clear statement about the effect of SO2 on oxidative degradation of MEA. The goal of this study is to identify the impact of the presence of SO2 on the oxidative degradation of MEA. [less ▲]

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