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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

P-x measurements for 2-ethoxyethanol and four chlorinated hydrocarbons at 303.15 K [electronic resource] / by Salil Milan Pathare.

Pathare, Salil Milan. January 2003 (has links)
Title from PDF of title page. / Document formatted into pages; contains 94 pages. / Thesis (M.S.Ch.E.)--University of South Florida, 2003. / Includes bibliographical references. / Text (Electronic thesis) in PDF format. / ABSTRACT: Total pressure measurements at 303.15 K are reported for the binary systems of 2-ethoxyethanol with carbon tetrachloride, chloroform, 1,2-dichloroethane and dichloromethane. Total pressure measurements for the system of hexane and 2-ethoxyethanol were also made to check the validity of the experimental apparatus and procedure. These measurements were taken according to the static method proposed by Van Ness (1975). Data reduction was accomplished using Barker's Method. The modified Margules equation was used as a model for the excess Gibbs free energy (GE) and parameter values were obtained by regression of the experimental data. The obtained data were used to test the association model developed by Kretschmer and Wiebe (1967). In its original form, the Kretschmer-Wiebe model assumes self-association between molecules of 2-ethoxyethanol. / ABSTRACT: An extended form of the Kretschmer-Wiebe model, in which cross-association of 2-ethoxyethanol with the halogenated hydrocarbon is postulated, was examined as well. The regular solution model, which results from the above theories when all association is neglected, was also examined. It was found that the Kretschmer-Wiebe model was far superior to the regular solution model. However, the extended form of the Kretschmer-Wiebe model showed less improvement over the original form. / System requirements: World Wide Web browser and PDF reader. / Mode of access: World Wide Web.
2

P-x Measurements For 2-Ethoxyethanol and Four Chlorinated Hydrocarbons at 303.15 K

Pathare, Salil Milan 11 September 2003 (has links)
Total pressure measurements at 303.15 K are reported for the binary systems of 2-ethoxyethanol with carbon tetrachloride, chloroform, 1,2-dichloroethane and dichloromethane. Total pressure measurements for the system of hexane and 2-ethoxyethanol were also made to check the validity of the experimental apparatus and procedure. These measurements were taken according to the static method proposed by Van Ness (1975). Data reduction was accomplished using Barker's Method. The modified Margules equation was used as a model for the excess Gibbs free energy (GE) and parameter values were obtained by regression of the experimental data. The obtained data were used to test the association model developed by Kretschmer and Wiebe (1967). In its original form, the Kretschmer-Wiebe model assumes self-association between molecules of 2-ethoxyethanol. An extended form of the Kretschmer-Wiebe model, in which cross-association of 2-ethoxyethanol with the halogenated hydrocarbon is postulated, was examined as well. The regular solution model, which results from the above theories when all association is neglected, was also examined. It was found that the Kretschmer-Wiebe model was far superior to the regular solution model. However, the extended form of the Kretschmer-Wiebe model showed less improvement over the original form.

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