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Environmental Engineering Research 2000;5(4): 229-235.
PHYSICOCHEMICAL PROPERTIES OF N2O AND COS IN AQUEOUS SOLUTIONS OF MONOETHANOLAMINE
Moon-Ki Park1, Tae-Kyung Yoon2, and Jong-Kil Park3
1Department of Environmental Science and Engineering, Kyungsan University, Kyungpook 712-715, Korea
2Department of Environmental Engineering, Dongeui University, Pusan 614-714, Korea
3Department of Environmental Science, Inje University, Kimhae 621-749, Korea
Corresponding Author: Moon-Ki Park ,
Received: August 8, 2000;  Accepted: December 6, 2000.
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ABSTRACT
The key physicochemical properties needed to interpret the data are the solubility and diffusivity of COS in the aqueous amine solution. These properties were estimated using the N2O analogy method. Experimental values of N2O solubility were correlated using an extended scaled-particle model and the measured N2O diffusion coefficients were correlated using a modified Stokes-Einstein equation. Solution densities and viscosities were also measured and correlated in this work.
Keywords: diffusivity | N2O analogy method | solubility | Stokes-Einstein equation
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