Vapor–liquid critical point measurements of fifteen compounds by the pulse-heating method

•Critical properties of compounds of industrial importance were measured.•All the compounds studied decompose at near-critical temperatures.•Pulse-heating method with short residence times was used. The critical temperatures and pressures have been measured by the pulse-heating method for fifteen co...

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Bibliographic Details
Published in:Fluid phase equilibria 2014-10, Vol.380, p.11-17
Main Authors: Nikitin, Eugene D., Popov, Alexander P.
Format: Article
Language:English
Subjects:
Benzaldehyde
Benzoic acid
Critical point
Critical properties
Critical temperature
Fluid dynamics
Fluid flow
Fluids
Group-contribution method
Phase equilibria
Pulse-heating method
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Summary:•Critical properties of compounds of industrial importance were measured.•All the compounds studied decompose at near-critical temperatures.•Pulse-heating method with short residence times was used. The critical temperatures and pressures have been measured by the pulse-heating method for fifteen compounds: benzoic acid, 2-methylbenzoic acid, 3-methylbenzoic acid, 4-methylbenzoic acid, benzaldehyde, 4-methylbenzaldehyde, phenylmethanol, (4-methylphenyl)methanol, 2-carboxybenzaldehyde, 1,3-propanediol, 2,2-dimethyl-1,3-propanediol, methyl tetradecanoate, methyl hexadecanoate, methyl octadecanoate, and (Z)-9-methyl octadecenoate. The experimental critical properties have been compared with those estimated by the Wilson/Jasperson and Marrero/Gani methods.
ISSN:0378-3812
1879-0224
DOI:10.1016/j.fluid.2014.07.038