Physical properties of the 2-amino-2-methyl-1-propanol and N-methyl-2-pyrrolidone system
(2018) 14th International Conference on Greenhouse Gas Control Technologies, GHGT 2018- Abstract
A novel technique for CO2 removal using a precipitating amine absorption system is being studied for potential use in biogas upgrading and carbon capture and storage (CCS). The system uses the sterically hindered amine 2-amino-2-methyl-1-propanol (AMP) mixed in different concentrations with the organic solvent N-methyl-2-pyrrolidone (NMP). In the current work, the physical solubility of CO2 in solutions of AMP in NMP has been evaluated. To estimate the solubility of CO2 in the solution mixtures, the N2O analogy was used. The solubility experiments were carried out at 25 and 40 °C for mixtures with AMP concentrations of 15 and 25 wt% and for the pure solvent. Henry’s constant for CO2 was determined to be 7.33 and 10.04 MPa, at 25 and 40... (More)
A novel technique for CO2 removal using a precipitating amine absorption system is being studied for potential use in biogas upgrading and carbon capture and storage (CCS). The system uses the sterically hindered amine 2-amino-2-methyl-1-propanol (AMP) mixed in different concentrations with the organic solvent N-methyl-2-pyrrolidone (NMP). In the current work, the physical solubility of CO2 in solutions of AMP in NMP has been evaluated. To estimate the solubility of CO2 in the solution mixtures, the N2O analogy was used. The solubility experiments were carried out at 25 and 40 °C for mixtures with AMP concentrations of 15 and 25 wt% and for the pure solvent. Henry’s constant for CO2 was determined to be 7.33 and 10.04 MPa, at 25 and 40 °C respectively, for 15 wt% AMP in NMP. For the system of 25 wt% AMP in NMP the values determined were 8.37 and 10.51 MPa at 25 and 40 °C, respectively. Experimental work has also been carried out in order to evaluate the viscosity of AMP in NMP solutions and the results have been compared with those for 30 wt% aqueous Monoethanolamine (MEA). The study has been carried out at temperatures between 20 and 80 °C and at atmospheric pressure. In the temperature interval of 40-80 °C, the viscosities for the systems ranged between approximate values of 0.9-1.7 mPas and 1.1-2.1 mPas for the 15 wt% and 25 wt% mixtures, respectively.
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- author
- Karlsson, Hanna LU and Svensson, Helena LU
- organization
- publishing date
- 2018
- type
- Contribution to conference
- publication status
- published
- subject
- keywords
- Absorption, AMP, N2O analogy, NMP, Physical Properties, Physical solubility, Viscosity
- pages
- 7 pages
- conference name
- 14th International Conference on Greenhouse Gas Control Technologies, GHGT 2018
- conference location
- Melbourne, Australia
- conference dates
- 2018-10-21 - 2018-10-25
- external identifiers
-
- scopus:85068607479
- scopus:85068607479
- language
- English
- LU publication?
- yes
- id
- 423636ab-48a5-472c-ac2f-97fbb8951d30
- alternative location
- https://ssrn.com/abstract=3366000
- date added to LUP
- 2020-09-22 12:13:54
- date last changed
- 2024-03-18 10:48:44
@misc{423636ab-48a5-472c-ac2f-97fbb8951d30,
abstract = {{<p>A novel technique for CO2 removal using a precipitating amine absorption system is being studied for potential use in biogas upgrading and carbon capture and storage (CCS). The system uses the sterically hindered amine 2-amino-2-methyl-1-propanol (AMP) mixed in different concentrations with the organic solvent N-methyl-2-pyrrolidone (NMP). In the current work, the physical solubility of CO2 in solutions of AMP in NMP has been evaluated. To estimate the solubility of CO2 in the solution mixtures, the N2O analogy was used. The solubility experiments were carried out at 25 and 40 °C for mixtures with AMP concentrations of 15 and 25 wt% and for the pure solvent. Henry’s constant for CO2 was determined to be 7.33 and 10.04 MPa, at 25 and 40 °C respectively, for 15 wt% AMP in NMP. For the system of 25 wt% AMP in NMP the values determined were 8.37 and 10.51 MPa at 25 and 40 °C, respectively. Experimental work has also been carried out in order to evaluate the viscosity of AMP in NMP solutions and the results have been compared with those for 30 wt% aqueous Monoethanolamine (MEA). The study has been carried out at temperatures between 20 and 80 °C and at atmospheric pressure. In the temperature interval of 40-80 °C, the viscosities for the systems ranged between approximate values of 0.9-1.7 mPas and 1.1-2.1 mPas for the 15 wt% and 25 wt% mixtures, respectively.</p>}},
author = {{Karlsson, Hanna and Svensson, Helena}},
keywords = {{Absorption; AMP; N2O analogy; NMP; Physical Properties; Physical solubility; Viscosity}},
language = {{eng}},
title = {{Physical properties of the 2-amino-2-methyl-1-propanol and N-methyl-2-pyrrolidone system}},
url = {{https://ssrn.com/abstract=3366000}},
year = {{2018}},
}