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The New Jersey Institute of Technology's
Electronic Theses & Dissertations Project

Title: Prediction of vapor and liquid equilibrium properties for 25 organic priority pollutants in aqueous solution
Author: Pai, Pinchieh
View Online: njit-etd1986-037
(v, 118 pages ~ 2.5 MB pdf)
Department: Department of Chemical Engineering, Chemistry and Environmental Science
Degree: Master of Science
Program: Chemical Engineering
Document Type: Thesis
Advisory Committee: Lewandowski, Gordon (Committee chair)
Knox, Dana E. (Committee member)
McCormick, John E. (Committee member)
Date: 1986-05
Keywords: Vapor-liquid equilibrium
Organic water pollutants
Pollutants
Availability: Unrestricted
Abstract:

Activity coefficients and Henry's law constants for 25 organic priority pollutants were estimated using UNIFAC thermodynamic calculations. For 6 of these compounds, the results were compared with measured values reported in the literature. This indicated errors in the UNIFAC predictions varying from 24.0% to 95.0%. Best results with UNIFAC were obtained using liquid-liquid equilibria, rather than vapor-liquid equilibria.

Octanol/water partition coefficients were also estimated for the same 25 organic priority pollutants using the fragment constant method. Results differed from values reported in the literature by 5% to 170%.

Estimated activity coefficients were also used to predict stripping rates of organic priority pollutants from aerated batch and continuous flow reactors.


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