Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/132053
Title: A relationship F(ρ,p,T)=0 based on the expansivity of liquids, its verification and influence on process equipment calculations in chemical engineering
Authors: Fernández Suárez, Luis Jesús 
Ortega, Juan 
Domínguez Déniz, Leandro 
UNESCO Clasification: 3303 ingeniería y tecnología químicas
Keywords: Expansivity
Liquids
EoS
Process
Desing, et al
Issue Date: 2023
Project: DISEÑO SOSTENIBLE Y ECO-EFICIENTE DE PROCESOS DE PRODUCCIÓN DE CARBONATO DE GLICEROL PARA REVALORIZAR EL GLICEROL RESIDUAL DE LA OBTENCIÓN DEL BIODIESEL
Journal: Trends in Chemical Engineering 
Abstract: Simulation and/or design as well as the control of operations in chemical engineering depend on an accurate knowledge of the behavior of matter under different, sometimes extreme, conditions of pressure and temperature. Numerous equations of state (EoS) are available in the literature, often assuming simplifications, such as the incompressibility of liquids to model their behaviour. In many practical applications, especially those involving high pressures, ignoring the effect of the coefficients of expansivity and/or compressibility of liquids leads to unforeseen errors. In this work, an EoS, F(ρ,T,p)=0, is obtained for pure substances in the liquid state region, which is checked for several data sets of different compounds. Once the model is defined, it is implemented in simulation/design calculations of process equipment and its influence on the calculations is evaluated. It is shown that the use of a suitable model justifies its use in vessel calculations.
URI: http://hdl.handle.net/10553/132053
ISSN: 0972-4478
Source: Trends in Chemical Engineering [ISSN 0972-4478], v. 21, p. 1-12, (Año 2023)
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