Influence of Amine Chemical Structures to Amine Capacities in CO<sub>2</sub>Capture

Yang, Qi; James, Susan; Ballard, Mathew; Bown, Mark

doi:10.1021/bk-2012-1097.ch002

Cited by 5 publications

(7 citation statements)

References 7 publications

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“…Mixed standards are often useful to suit needs of different sample analysis. Deuterated compounds can be used internally , or externally , to assist “locking and shimming”, or “unlocked” acquisition is applied when the deuterated agent is absent. , …”

Section: Experimental Phenomenamentioning

confidence: 99%

“…Deuterated compounds can be used internally 288,300 or externally 54,291 to assist "locking and shimming", or "unlocked" acquisition is applied when the deuterated agent is absent. 292,302 An evolution and modification of the NMR technique has made it possible to observe pseudo dynamic changes in chemical speciation in situ as the CO 2 loading, or the amount of CO 2 dissolved into an amine solution, is progressively increased. 289,296,297 An example 13 C NMR plot of carbamate and bicarbonate concentrations in an MEA solution as a function of reaction time and increasing CO 2 loading is shown in Figure 14.…”

Section: Experimental Phenomenamentioning

confidence: 99%

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Computational Modeling and Simulation of CO₂ Capture by Aqueous Amines

et al. 2017

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We review the literature on the use of computational methods to study the reactions between carbon dioxide and aqueous organic amines used to capture CO prior to storage, reuse, or sequestration. The focus is largely on the use of high level quantum chemical methods to study these reactions, although the review also summarizes research employing hybrid quantum mechanics/molecular mechanics methods and molecular dynamics. We critically review the effects of basis set size, quantum chemical method, solvent models, and other factors on the accuracy of calculations to provide guidance on the most appropriate methods, the expected performance, method limitations, and future needs and trends. The review also discusses experimental studies of amine-CO equilibria, kinetics, measurement and prediction of amine pK values, and degradation reactions of aqueous organic amines. Computational simulations of carbon capture reaction mechanisms are also comprehensively described, and the relative merits of the zwitterion, termolecular, carbamic acid, and bicarbonate mechanisms are discussed in the context of computational and experimental studies. Computational methods will become an increasingly valuable and complementary adjunct to experiments for understanding mechanisms of amine-CO reactions and in the design of more efficient carbon capture agents with acceptable cost and toxicities.

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Section: Experimental Phenomenamentioning

confidence: 99%

Section: Experimental Phenomenamentioning

confidence: 99%

Computational Modeling and Simulation of CO₂ Capture by Aqueous Amines

et al. 2017

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“…Over the years several studies regarding the influence of amine structure on capacity for CO 2 capture as well as CO 2 absorption and desorption rate and carbamate stability have been performed (Bonenfant et al, 2003;Chakraborty et al, 1986;Chowdhury et al, 2009;Chowdhury et al, 2011;Chowdhury et al, 2013a;Chowdhury et al, 2013b;Svendsen, 2006, 2007;Fernandes et al, 2012;Robinson et al, 2012;Sartori and Savage, 1983;Singh et al, 2009;Yang et al, 2012). The studies have discussed different factors as basicity, the pH, of the solution polarity and steric hindrance/structural characteristics of the compound (Bonenfant et al, 2003;Sartori and Savage, 1983).…”

Section: Introductionmentioning

confidence: 99%

Screening of strong bicarbonate forming solvents for CO 2 capture

Hartono

Vevelstad

Ciftja

et al. 2017

International Journal of Greenhouse Gas Control

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Fifteen bicarbonate forming solvents were tested and compared to 30 mass% MEA using a screening apparatus. Additionally the pKa values of each of the solvents at room temperature were measured. The overall evaluation was based on screening tests allowing estimation of cyclic capacity, pKa measurements and operative behavior of the system (foaming, high viscosity, precipitation). Based on the overall evaluation, two solvents, 2-PPE and 1-(2HE)PRLD, were chosen for further characterization. The solvent concentration was optimized using the screening setup. The optimal solvent concentrations found were 50 mass% 2-PPE, and 40 mass% 1-(2HE)PRLD.

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“…Most of the commercial plants use monoethanolamine (MEA). This aqueous primary amine is commonly used for postcombustion separation processes, , as it is highly reactive with CO 2 , inexpensive, and readily available . The absorption occurs in accordance with the following reaction equation: …”

Section: Development Of a Pilot For Carbon Capturementioning

confidence: 99%

“…MEA is then regenerated and returned to the absorption column to be reused in a closed-loop cycle (Figure ). − ,− …”

Section: Development Of a Pilot For Carbon Capturementioning

confidence: 99%

Designing and Demonstrating a Master Student Project To Explore Carbon Dioxide Capture Technology

Asherman¹,

Cabot

Crua

et al. 2015

J. Chem. Educ.

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The rise in carbon dioxide (CO2) concentration in the Earth's atmosphere, and the associated strengthening of the greenhouse effect, requires the development of low carbon technologies. New carbon capture processes are being developed to remove CO2 that would otherwise be emitted from industrial processes and fossil fuel power stations. Given the increasing importance of this technology we report on a new educational project which aimed to instill greater awareness of the role of CO2 in climate change, whilst stimulating student interest in science, technology, engineering, and the environment. The project was carried out by master students, i.e., CoolLCap team, who contributed to the design and manufacture of a pilot plant that demonstrates the basic operation of an amine scrubbing plant. The main goal of the project was to develop educational material and presentations for a range of audiences, from primary school to university students and academics. In this article we present the project team's approach to design, commission and deliver the pilot plant and educational material, as well as the feedback received from 267 students from a primary school and a university. We provide supplementary material to enable other educators to recreate our pilot plant design.

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Influence of Amine Chemical Structures to Amine Capacities in CO₂Capture

Cited by 5 publications

References 7 publications

Computational Modeling and Simulation of CO₂ Capture by Aqueous Amines

Computational Modeling and Simulation of CO₂ Capture by Aqueous Amines

Screening of strong bicarbonate forming solvents for CO 2 capture

Designing and Demonstrating a Master Student Project To Explore Carbon Dioxide Capture Technology

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Influence of Amine Chemical Structures to Amine Capacities in CO2Capture

Cited by 5 publications

References 7 publications

Computational Modeling and Simulation of CO2 Capture by Aqueous Amines

Computational Modeling and Simulation of CO2 Capture by Aqueous Amines

Screening of strong bicarbonate forming solvents for CO 2 capture

Designing and Demonstrating a Master Student Project To Explore Carbon Dioxide Capture Technology

Contact Info

Product

Resources

About

Influence of Amine Chemical Structures to Amine Capacities in CO₂Capture

Computational Modeling and Simulation of CO₂ Capture by Aqueous Amines

Computational Modeling and Simulation of CO₂ Capture by Aqueous Amines