20thEUROPEAN CONFERENCE ON THERMOPHYSICAL PROPERTIES

descargaECTP 2014  Poster

 

 

http://ectp2014.fc.up.pt/

 

 

PVT study for the mixtures diethyl carbonate + n-alkane

 

This paper presents a PVT study for diethyl carbonate and n-alkanes pure components and their binary mixtures (dialkyl carbonate + n-alkane) in the temperature range of (278.15 – 353.15) K and pressures between (0.1 and 40) MPa. The experimental density values were compared with experimental information available in the literature. The purpose of this study is to extend the available experimental information about the thermophysical behaviour of this kind of mixtures, which is useful in fuel field.

A modified Tait equation was used in order to fit the density values and to obtain the derived properties such as isothermal compressibility coefficient, isobaric thermal expansivity coefficient and internal pressure. Besides, the ability of the Nitta–Chao model for the prediction of density values and derived properties for these mixtures was tested.

The dialkyl carbonates are useful organic solvents for the chemical industry. Moreover, these molecules with base carbonate and containing an aromatic and an aliphatic parts have an important industrial interest as gasoline additives and as lubricants in the replacement of CFCs (chlorofluorocarbons) with the new refrigerants HFCs (hydrochlorofluorocarbons). These industrial uses are the reason why there has been considerable upsurge in the theoretical and experimental investigations of dialkyl carbonates and of their mixtures with other compounds.

 

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Physicochemical characterizacion of aqueous two phase systems containing Triton X-102 and sodium salts in the range of temperature from 288.15 K to 318.15 K

JML JML-2014-195-1-8

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Tesis Doctoral USC

Tesis Doctoral USC

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Plan de Marketing: Empresa MBL

LIBRO mbl 2

En este libro se desarrolla un Plan de Marketing para una pequeña y mediana empresa (PYME). Su función es desarrollar un estudio de mercado, con objeto de la creación de una pequeña empresa. Está dirigido a emprendedores y personas que estén interesadas en la creación y gestión de la pequeña empresa. Este trabajo se ha realizado en el campo de la Gestión y Dirección Comercial, Marketing, Publicidad y Comunicación.

ISBN : 978-3-659-08579-6

https://www.eae-publishing.com/catalog/details/store/fr/book/978-3-659-08579-6/plan-de-marketing:-empresa-mbl

 

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