An additive method for calculating the thermodynamic functions of heavy feedstock


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Resumo

A uniform additive method (UAM) has been developed for calculating the thermodynamic functions heat capacity Cp(T), enthalpy ΔH(T), entropy ΔS(T), and Gibbs free energy ΔG(T) of both individual organic compounds with known molecular structure and heavy feedstock, using elemental analysis and 1H NMR data. The principle of the UAM is that a molecule or a unit mass of molecules of a mixture with a complex structure is represented as a unit mass of individual structural moieties (descriptors), which are transferable from one system to another. A comparison with the results of calculating the thermodynamic functions by other methods shows their satisfactory agreement, thereby giving promise that the UAM can be applied to complex systems.

Sobre autores

Kh. Kadiev

Topchiev Institute of Petrochemical Synthesis

Autor responsável pela correspondência
Email: kadiev@ips.ac.ru
Rússia, Moscow

A. Gyul’maliev

Topchiev Institute of Petrochemical Synthesis

Email: kadiev@ips.ac.ru
Rússia, Moscow

N. Kubrin

Topchiev Institute of Petrochemical Synthesis

Email: kadiev@ips.ac.ru
Rússia, Moscow

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