SOLUBILITY AND TIE-LINE DATA FOR WATER + FORMIC ACID + METHYL ISOBUTYL KETONE TERNARY SYSTEM AT DIFFERENT TEMPERATURES

The solubility and tie-line data of the ternary system comprising water, formic acid, and methyl isobutyl ketone were experimentally determined at the temperatures 288.15, 298.15, and 308.15 K, and atmospheric pressure 101.3 kPa. The plait points were also determined using Treybal's method. The...

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Bibliographic Details
Published in:Chemical engineering communications 2010-09, Vol.197 (9), p.1163-1171
Main Authors: Kumar, Thella Prathap, Das, Parichay K.
Format: Article
Language:English
Subjects:
Acids
Atmospheric pressure
Barometric pressure
Binodal curve
Chemical engineering
Deviation
Formic acid
Interaction parameters
Ketones
Liquid-liquid equilibria
NRTL
Organic chemicals
Solubility
Ternary system
Ternary systems
Tie-line
Water
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Summary:The solubility and tie-line data of the ternary system comprising water, formic acid, and methyl isobutyl ketone were experimentally determined at the temperatures 288.15, 298.15, and 308.15 K, and atmospheric pressure 101.3 kPa. The plait points were also determined using Treybal's method. The results indicate that formic acid distributes preferentially in MIBK compared to water. Experimental tie-line data were regressed with the NRTL model to obtain binary interaction parameters. It is found that the NRTL model correlates the present system satisfactorily with average root-mean-square deviation of 0.34%.
ISSN:0098-6445
1563-5201
DOI:10.1080/00986440903574784