Post combustion CO2 capture with an amino acid salt

Knuutila, Hanna; Aronu, Ugochukwu E.; Kvamsdal, Hanne M.; Chikukwa, Actor

doi:10.1016/j.egypro.2011.02.024

Cited by 56 publications

(41 citation statements)

References 7 publications

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“…From the figure is clear that the highest energy requirements were found for the KSAR system (Knuutila et al, 2011). However, this system also used the lowest absorbent concentration (3.5 mol/l).…”

Section: Energy Requirement Of the Dmmea/mapa 3/2 Systemmentioning

confidence: 86%

“…One of the objectives of this campaign was to find the energy requirement of the DMMEA/MAPA system relative to potassium sarcosine (KSAR) (Knuutila et al, 2011) and 30 mass% MEA (Tobiesen et al, 2007) tested in the lab pilot earlier. The energy input data compared to the reference systems are given in Fig.…”

Section: Energy Requirement Of the Dmmea/mapa 3/2 Systemmentioning

confidence: 99%

“…Sterically hindered 2-amino-2-methyl-1-propanol (AMP) pilot data were published by Gabrielsen et al, 2007 from the same pilot plant as used in the present study. From an environmental aspect amino-acid and carbonate systems could have an advantage and several are under development (Aronu et al, 2010;Knuutila et al, 2011;Kumar et al, 2003). The CESAR EU-project has as a main target to find solvents which have some advantage over the 30 mass% MEA.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Pilot study—CO2 capture into aqueous solutions of 3-methylaminopropylamine (MAPA) activated dimethyl-monoethanolamine (DMMEA)

Brúder

Owrang

Svendsen

2012

International Journal of Greenhouse Gas Control

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Section: Energy Requirement Of the Dmmea/mapa 3/2 Systemmentioning

confidence: 86%

Section: Energy Requirement Of the Dmmea/mapa 3/2 Systemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Pilot study—CO2 capture into aqueous solutions of 3-methylaminopropylamine (MAPA) activated dimethyl-monoethanolamine (DMMEA)

Brúder

Owrang

Svendsen

2012

International Journal of Greenhouse Gas Control

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“…Amino acids are zwitterions which have to be neutralized to activate the amino group for CO2 absorption. In this work potassium hydroxide was used to neutralize the amino acids, however other bases could also be used and both potassium sarcosinate (KSAR) and amineaminoacids, as for example 3-(methylamino)propylamine/sarcosine (SARMAPA), have been tested for CO2 absorption in a laboratory pilot plant (Aronu et al, 2010b;Knuutila et al, 2011). KSAR and KGly showed low or no oxidative degradation.…”

Section: Amine Lossmentioning

confidence: 99%

Oxidative degradation of amines using a closed batch system

Vevelstad

Grimstvedt

Einbu

et al. 2013

International Journal of Greenhouse Gas Control

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Oxidative degradation experiments on five amines and two amino acids were performed in a new closed setup at atmospheric pressure. For most of the amines/amino acids significant degradation was not present under these conditions, except for MEA and MMEA. The degradation compounds found seem to follow the same patterns as described in literature. Volatile compounds as ammonia and alkylamine play an important role in understanding the initial degradation mechanisms. For MMEA, methylamine and ammonia were found in the same order of magnitude. Oxygen stochiometry of the degradation compounds could not be explained by initial air in the system. Oxygen in some of the degradation compounds could come from oxygen diffusing into the system as seen from proposed model and/or water reacting with iminium giving aldehyde and amine/ammonia. Temperature and dissolved metal seemed to influence oxygen and degradation rate for the MEA experiments.

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“…In addition, other criteria that need to be considered are, according to [5], base strength (pK a ), molecular weight per NH functionality, slope of equilibrium curve, heat of absorption, viscosity, nature of degradation products, nitrosamine formation potential, cost and availability, and HSE (Health, Safety, and Environment). Research on solvent development has been conducted to meet those criteria by testing alkanolamines and their blends, sodium carbonate solutions, chilled ammonia, and amino acid salts [3,[6][7][8][9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Experimental determination of monoethanolamine protonation constant and its temperature dependency

et al. 2017

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Abstract. Carbon dioxide as one of the major contributors to the global warming problem is produced in large quantities by many important industries and its emission seems to rise from year to year. Aminebased absorption is one of the methods to capture CO 2 from its sources. As a reactive system, mass transfer and chemical reaction take place simultaneously. In a vapor-liquid equilibrium model for the CO 2 -amine-water system, some parameters such as mass transfer coefficients and chemical equilibrium constants need to be known. However, some parameters could be determined experimentally and the rests could be regressed from the model. The protonation constant (pK a ), as one of the model parameters, could then be measured experimentally. The purpose of this study is to measure the pK a of monoethanolamine (MEA) at a range of temperatures from 303 to 330K by a potentiometric titration method. The experimental data obtained were in a good agreement with the literature data. The pK a data from this work together with those from the literature were then correlated in an empirical correlation to be used for future research.

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Post combustion CO2 capture with an amino acid salt

Cited by 56 publications

References 7 publications

Pilot study—CO2 capture into aqueous solutions of 3-methylaminopropylamine (MAPA) activated dimethyl-monoethanolamine (DMMEA)

Pilot study—CO2 capture into aqueous solutions of 3-methylaminopropylamine (MAPA) activated dimethyl-monoethanolamine (DMMEA)

Oxidative degradation of amines using a closed batch system

Experimental determination of monoethanolamine protonation constant and its temperature dependency

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