Journal Article10.1021/ACSSUSCHEMENG.9B07823
NMR Techniques and Prediction Models for the Analysis of Species Formed in CO2 Capture Processes with Amine-Based Sorbents: A Critical Review
Xiayi Eric Hu,Xiayi Eric Hu,Qian Yu,Francesco Barzagli,Chao’en Li,Maohong Fan,Maohong Fan,Khaled A.M. Gasem,Xiaowen Zhang,Xiaowen Zhang,Elenica Shiko,Mi Tian,Mi Tian,Xiao Luo,Zhaogang Zeng,Yang Liu,Rui Zhang +16 more
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TL;DR: In this paper, the authors proposed a CO2 capture by aqueous alkanolamines, which is among the most mature and efficient technologies to curb the continuous emission of the greenhouse gas CO2 into the atmosphere.
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Abstract: Carbon dioxide (CO2) capture by aqueous alkanolamines is among the most mature and efficient technologies to curb the continuous emission of the greenhouse gas CO2 into the atmosphere. However, the...
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Citations
Heterogeneous catalysts for CO2 hydrogenation to formic acid/formate: from nanoscale to single atom
Ruiyan Sun,Yuhe Liao,Yuhe Liao,Shao-Tao Bai,Mingyuan Zheng,Cheng Zhou,Tao Zhang,Bert F. Sels +7 more
TL;DR: In this paper, the state-of-the-art of heterogeneous catalysts for hydrogenation of CO2 to formic acid/formate, a liquid hydrogen carrier, is comprehensively summarized.
193
Advances in applications of ionic liquids for phase change CO2 capture
TL;DR: In this article , the authors reviewed the recent progress in ionic liquids-based phase change absorbents for CO 2 capture technology, focusing on phase change behaviors, reaction and phase change mechanisms, and process flow and energy consumption analyses.
101
Screening Study of Different Amine-Based Solutions as Sorbents for Direct CO2 Capture from Air
TL;DR: Direct air capture (DAC) is an emerging technology that can help limit the global temperature rises, as it has the potential to contrast the dispersed CO2 emissions coming from transport and heatin this paper.
77
Understanding the potential benefits of blended ternary amine systems for CO2 capture processes through 13C NMR speciation study and energy cost analysis
TL;DR: Aqueous blends of the three amines 2-aminoethanol (MEA), N-methyldiethanolamine (MDEA), and 2amino-2-methyl-1-propanol (AMP) were tested as sorbents for CO2 capture processes as discussed by the authors .
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Analyzing the potential benefits of trio-amine systems for enhancing the CO2 desorption processes
TL;DR: In this paper , the authors combined the advantages of three conventional amines, monoethanolamine (MEA), 1-Dimethylamino-2-propanol (1DMA2P), and piperazine (PZ) to formulate an effective trio-amine blend to capture CO 2 , and the results demonstrate that the blends could reduce the energy consumption by 29.4-55.4%, increase the average desorption rate by 60-140%, and increase the cyclic capacity by 40-120%, relative to 5 M MEA solution.
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References
Study of Equilibrium Solubility, Heat of Absorption, and Speciation of CO2 Absorption into Aqueous 2-Methylpiperazine (2MPZ) Solution
TL;DR: In this paper, the CO2 reaction rate in 2-methylpiperazine (2MPZ) solution was investigated in terms of the pseudo-first-order rate constant (k0) by using a stopped-flow apparatus with amine concentration ranges of 0.05 − 0.125 mol/L and the measuring temperature ranges of 293.15 − 313.15 K.
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A comparison of Raman and IR spectroscopies for the monitoring and evaluation of absorbent composition during CO2 absorption processes
TL;DR: In this paper, the use of Raman and infrared spectroscopies coupled with Partial Least-Squares Regression is compared for the determination of absorbent composition in a binary amine mixture.
10
Development of Ion Speciation Plots for Three Promising Tertiary Amine–CO2–H2O Systems Using the pH Method and the 13C NMR Method
Moxia Li,Helei Liu,Helei Liu,Xiao Luo,Paitoon Tontiwachwuthikul,Paitoon Tontiwachwuthikul,Zhiwu Liang,Zhiwu Liang +7 more
TL;DR: In this paper, three promising tertiary amines (1-(2-hydroxyethyl)piperidine (1-HE)PP, 3-(diethylamino)-1,2-propanediol (DEA-1, 2-PD), and N-(2hydroxy methyl)pyrolidine (N-2-PH)PRLD) were experimentally studied and the results presented in terms of pKa, the protonation calibration curves, and ion speciation plots.
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Determining the Liquid Phase Equilibrium Speciation of the CO2–MEA–H2O System Using a Simplified in Situ Fourier Transform Infrared Method
TL;DR: In this paper, a Fourier transform infrared (FTIR) method was developed to determine the liquid phase equilibrium speciation in related CO2-MEA-H2O systems, and the profiles obtained were in good agreement with the published data from other spectroscopic and titrimetric techniques as well as the predictions of a widely accepted vapor liquid equilibrium model.
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Study of Ion Speciation of CO2 Absorption into Aqueous 1-Dimethylamino-2-propanol Solution Using the NMR Technique
Helei Liu,Helei Liu,Raphael Idem,Raphael Idem,Paitoon Tontiwachwuthikul,Paitoon Tontiwachwuthikul,Zhiwu Liang,Zhiwu Liang +7 more
TL;DR: In this paper, the speciation (i.e., 1DMA2P molecule as well as 1 DMA2PH+, HCO3−, and CO32− ions) for the CO2 reactive absorption of CO2 in aqueous 1-dimethylamino-2-propanol solution was studied using the 13C nulcear magnetic resonance (NMR) technique at a temperature of 301 K.
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