A Novel Approach towards UNIFAC-VISCO Modelling for Liquid Mixtures (Paperback)

The group contribution method 'UNIFAC-VISCO' has become popular because of its reliable predictions of dynamic & kinematic viscosities, but suffering from a serious drawback for non-availability of sufficient group interaction parameters. A new approximate technique has been proposed in this study, in which the so called UNIFAC-VLE parameters can be used instead of the original UNIFAC-VISCO parameters. This technique was tested for 28 binary liquid systems of different categories & the values of overall AAD (%) for 7 classes of organic binary liquid systems were found to be below 6.1%. These include alcohols, alkanes, aromatics, ester, cyclic ether, as well as acetonitrile & sulfolane which are yet to be done. Predictions were carried out based on four different considerations: (a) original parameters, (b) UNIFAC-VLE parameters, (c) by considering, or (d) ignoring temperature effects on group interaction parameters. As the UNIFAC-VLE parameters are easily available & applicable for a broad range of organic compounds, its use in place of original model parameters would generalize the UNIFAC-VISCO model for predicting dynamic & kinematic viscosities.

General

Imprint:	Lap Lambert Academic Publishing
Country of origin:	United States
Release date:	March 2013
First published:	March 2013
Authors:	Mohammad Mehedi Hasan Rocky
Dimensions:	229 x 152 x 14mm (L x W x T)
Format:	Paperback - Trade
Pages:	236
ISBN-13:	978-3-659-36634-5
Categories:	Books > Science & Mathematics > Chemistry > Physical chemistry > General
LSN:	3-659-36634-X
Barcode:	9783659366345

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