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

Title: Evaluation of Herington general integral test for vapor-liquid equilibrium data
Author: Nori, Raja Gopal
View Online: njit-etd1974-026
(ix, 73 pages ~ 4.1 MB pdf)
Department: Department of Chemical Engineering and Chemistry
Degree: Master of Science
Program: Chemical Engineering
Document Type: Thesis
Advisory Committee: McCormick, John E. (Committee chair)
Huang, Ching-Rong (Committee member)
Roche, Edward Charles, Jr. (Committee member)
Date: 1974-09
Keywords: Vapor-liquid equilibrium
Availability: Unrestricted
Abstract:

A new set of general integral tests for the thermodynamic consistency of isothermal and isobaric equilibrium data of binary systems was proposed by E.F.G. Herington.

The systems Benzene-Cyclohexane and Benzene-n-Propanol were examined using Herington integral test-. The data used included sets of data known to be in error. One set was, in effect, at true vapor-liquid equilibrium (the data of literature) but the other data was obtained when the system was inadequately insulated and heated.

Heringtan test showed significantly different estimates for heats of mixing for the cases involved. The best data showed heats of mixing near the theoratical values. The data known to be erroneous showed heats of mixing at variance with observation. The Herington test is found to be a significant improvement over the standard area test.


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