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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/452

Title: Physical Solubility and Diffusivity of N2O and CO2 into Aqueous Solutions of (2-Amino-2-methyl-1-propanol + Diethanolamine) and (N-Methyldiethanolamine + Diethanolamine)
Authors: Mandal, Bishnu P.
Kundu, Madhusree
Padhiyar, Nitin U.
Bandyopadhyay, S S
Keywords: Diethanolamine
Semiempirical model
Issue Date: 2004
Publisher: American Chemical Society
Citation: J. Chem. Eng. Data 2004, 49, 264-270
Abstract: In this work the physical solubility of N2O in (diethanolamine + water), (2-amino-2-methyl-1-propanol + water), (N-methyldiethanolamine + water), (N-methyldiethanolamine + diethanolamine + water), and (2-amino-2-methyl-1-propanol + diethanolamine + water) as well as the diffusivity of N2O in (Nmethyldiethanolamine + diethanolamine + water) and (2-amino-2-methyl-1-propanol + diethanolamine + water) have been measured at (293, 298, 303, 308, and 313) K. For the binary mixtures the amine concentration ranges studied are (2.0, 2.5, and 3.0) kmolâm-3. For the ternary mixtures the total amine strength in the solution was kept at 30 mass %, in view of the recent interest in using concentrated amine solutions in gas treating. A solubility apparatus was used to measure the solubility of N2O in amine solutions. The diffusivity was measured with a wetted wall column absorber. The uncertainty of the measurement is estimated to be (2%. A semiempirical model of the excess Henry’s constant propose...
Description: Copyright for the published version of this article belongs to American Chemical Society.
URI: http://dx.doi.org/10.1021/je0301951
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