ISSN:
0001-1541
Keywords:
Chemistry
;
Chemical Engineering
Source:
Wiley InterScience Backfile Collection 1832-2000
Topics:
Chemistry and Pharmacology
,
Process Engineering, Biotechnology, Nutrition Technology
Notes:
The modified van der Waals theory of interfaces (gradient theory) is used with the equations of state of Peng-Robinson and Mohanty-Davis to predict surface tensions of various nonpolar, quadrupolar, slightly polar and polar substances as a function of temperature. The influence parameter of the gradient theory is estimated as 0.785ab2/3 in terms of the attractive and repulsive van der Waals parameters using the Lennard-Jones potential. The predictions made with the Mohanty-Davis equation of state agree better with experimental data than those made with Peng-Robinson, even for nonpolar fluids.
Additional Material:
10 Ill.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1002/aic.690380512
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