Utilization of tertiary amine solutions and ultrasound irradiation for CO2 desorption at low temperature in a CCS process

Abstract The CO2 absorption process using aqueous amine solutions has been the most promising technique used for the removal of CO2 from gas streams in energy sector. In recent years, many researchers tested solutions which are composed of several compounds: a slow reacting tertiary amine- and a fast amine acting as an activator. In this paper, the CO2 absorption rate in an aqueous solution of N,N-diethylethanoloamine (DEEA) and activated solutions DEEA is investigated experimentally. The activators considered are sterically hindered amines: 2-amino-2-methyl-1-propanol (AMP), 2-amino-2-methyl-1,3-propanediol (AMPD) and N-methyl-1,3-propanediamine (MAPA) from the group of polyamines. The experiments were conducted over the temperature range of 303-333 K and the total amine concentration of 2 M. From the CO2 absorption experiments into mixed aqueous solutions of DEEA and MAPA, it was found that the addition of small amounts of MAPA into aqueous DEEA solutions has a significant effect on the enhancement of the CO2 absorption rate. The application of hindered amines: AMP or AMP as activators resulted in a marginally improvement of the absorption rate of CO2.

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Modeling and Simulation of Catalyst-aided Low Temperature CO2 Desorption from Blended Monoethanolamine (MEA) – N-Methyl-diethanolamine (MDEA) Solution

Energy Procedia ◽

10.1016/j.egypro.2017.03.1273 ◽

2017 ◽

Vol 114 ◽

pp. 1488-1494

Author(s):

Benjamin Decardi-Nelson ◽

Ananda Akachuku ◽

Priscilla Osei ◽

Wayuta Srisang ◽

Fatemeh Pouryousefi ◽

...

Keyword(s):

Low Temperature ◽

Modeling And Simulation ◽

Co2 Desorption

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CO 2 absorption with aqueous tertiary amine solutions: Equilibrium solubility and thermodynamic modeling

The Journal of Chemical Thermodynamics ◽

10.1016/j.jct.2018.03.020 ◽

2018 ◽

Vol 122 ◽

pp. 170-182 ◽

Cited By ~ 14

Author(s):

Min Xiao ◽

Helei Liu ◽

Hongxia Gao ◽

Zhiwu Liang

Keyword(s):

Thermodynamic Modeling ◽

Tertiary Amine ◽

Equilibrium Solubility ◽

Amine Solutions

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Kinetics and new mechanism study of CO2 absorption into water and tertiary amine solutions by stopped-Flow technique

AIChE Journal ◽

10.1002/aic.16469 ◽

2018 ◽

Vol 65 (2) ◽

pp. 652-661 ◽

Cited By ~ 9

Author(s):

Sen Liu ◽

Hongxia Gao ◽

Xiao Luo ◽

Zhiwu Liang

Keyword(s):

Tertiary Amine ◽

Stopped Flow ◽

Co2 Absorption ◽

Mechanism Study ◽

Amine Solutions

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Catalyst performance and experimental validation of a rigorous desorber model for low temperature catalyst-aided desorption of CO2 in single and blended amine solutions

Journal of Environmental Chemical Engineering ◽

10.1016/j.jece.2017.07.049 ◽

2017 ◽

Vol 5 (4) ◽

pp. 3865-3872 ◽

Cited By ~ 5

Author(s):

Benjamin Decardi-Nelson ◽

Ananda Akachuku ◽

Priscilla Osei ◽

Wayuta Srisang ◽

Fatemeh Pouryousefi ◽

...

Keyword(s):

Low Temperature ◽

Experimental Validation ◽

Amine Solutions

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Condensed-phase low temperature heterogeneous hydrogenation of CO2 to methanol

Catalysis Science & Technology ◽

10.1039/c8cy00997j ◽

2018 ◽

Vol 8 (19) ◽

pp. 5098-5103 ◽

Cited By ~ 17

Author(s):

Jotheeswari Kothandaraman ◽

Robert A. Dagle ◽

Vanessa Labarbier Dagle ◽

Stephen D. Davidson ◽

Eric D. Walter ◽

...

Keyword(s):

Low Temperature ◽

Condensed Phase ◽

Tertiary Amine ◽

Hydrogenation Of Co2 ◽

Heterogeneous Hydrogenation

A low-temperature CH3OH synthesis was achieved at 120–170 °C using tertiary amine and alcohol in the presence of a Cu/ZnO/Al2O3 catalyst by CO2 hydrogenation.

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Protective Agent Free Eco-Synthesis of Silver Nanowire via Needle-Shaped Silver Acetate Precursor

Materials Science Forum ◽

10.4028/www.scientific.net/msf.804.115 ◽

2014 ◽

Vol 804 ◽

pp. 115-118 ◽

Cited By ~ 2

Author(s):

Kenta Sugawara ◽

Yamato Hayashi ◽

Jun Fukushima ◽

Hirotsugu Takizawa

Keyword(s):

Low Temperature ◽

Aspect Ratio ◽

High Aspect Ratio ◽

Ultrasound Irradiation ◽

Silver Nanowire ◽

Synthetic Method ◽

Protective Agent ◽

Silver Acetate ◽

Protective Agents ◽

Heating Up

We developed new synthetic method of silver nanowire by reducing silver acetate precursor. Silver acetate could be easily synthesized by ultrasound irradiation to the mixture of non-toxic starting materials, only ethanol and silver (I) oxide. All of reaction was performed in relatively low temperature and it does not need any protective agents. The precursors had high aspect ratio needle-shaped morphology. They decomposed easily by heating up to 300 °C and then produce only silver without any residues. This process is expected to be new synthetic method of silver nanowire that doesn’t require any protective agents and emit much waste.

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Influence of Curing Process on the Performance of Epoxy Thermosets

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.79-82.2175 ◽

2009 ◽

Vol 79-82 ◽

pp. 2175-2178

Author(s):

Bao Hua Zhang ◽

Jun Dan Ye ◽

Bin Chen ◽

Yan Qing Weng

Keyword(s):

Mechanical Properties ◽

High Temperature ◽

Low Temperature ◽

Tertiary Amine ◽

Curing Temperature ◽

Curing Agent ◽

Hyperbranched Polyester ◽

Epoxy Curing ◽

Main Component ◽

End Group

The performance of epoxy thermosets was greatly influenced by the curing agent and curing temperature. It was known that epoxy thermosets cured under high temperature would have high normal forces which could cause fracture of the structure and then decrease the mechanical properties of the material. It was accepted that epoxy curing system should be cured under low temperature with the thermosets had the same properties as those cured under high temperature. It was important to choose proper curing agent to reach the above goal. Latent epoxy curing agent whose main component was the hyperbranched polyester (HBP) with tertiary amine as the end group was prepared and was used to diglycidyl ether of bisphenol A (DGEBA) in this work. The properties such as tensile intensity, bending intensity, impact resistance and dynamic mechanic properties of the resulting epoxy thermosets were evaluated. It was found that the resulting epoxy thermosets cured under low temperature had better mechanical properties than those cured under high temperature. The latent epoxy curing agent whose main component was the hyperbranched polyester with tertiary amine as the end group was adaptive to be used in the epoxy base of composite.

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