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2009/2
The relationship between hydrocarbon’s fractions boiling temperatures and the initial oil density
Oil and gas processing, chemistry of oil and gas

Authors: Valentina Aleksandrovna LYUBIMENKO was born in 1952. In 1974 she graduated from the Chemical faculty of М.V. Lomonosov Moscow State University. Ph.D. in Chem. Sci., the senior lecturer of the Dept. of physical and colloidal chemistry of Gubkin Russian State University of Oil and Gas. The author of 33 scientific publications. Е-mail: ljubimenko@mail.ru
Ivan Mikhailovich KOLESNIKOV was born in 1929. In 1954 he graduated from Gubkin Moscow petroleum institute (now Gubkin Russian State University of Oil and Gas). Doctor of chemistry, professor of the Department of physical and colloidal chemistry of Gubkin Russian State University of Oil and Gas. The author of more than 700 publications in the field of kinetics and catalysis. Е-mail: kolesnim@mail.ru
Vitaliy Igorevich ZUBER was born in 1974. In 1996 he graduated from Gubkin Moscow Institute of petrochemical and gas industry (now Gubkin Russian State University of Oil and Gas). He is the deputy general director of the Moscow oil refinery, the author of 9 publications.
Sergei Vyacheslavovich DIBROV was born in 1964. In 1986 he graduated from Gubkin Moscow Institute of petrochemical and gas industry (now Gubkin Russian State Univer- sity of Oil and Gas), the head technologist of the Moscow oil refinery, the author of 8 publications.
Sergey Ivanovich KOLESNIKOV was born in 1959. In 1954 he graduated from Gubkin Moscow Institute of petrochemical and gas industry (now Gubkin Russian State University of Oil and Gas). Ph. D. in chemistry, head of laboratory of kinetics and catalysis of the Dept. of physical and colloidal chemistry of Gubkin Russian State University of Oil and Gas, the author of more than 80 publications.
Vladimir Arnol’dovich VINOKUROV was born in 1950, Ph.D. of Chemistry, professor, Head of Physical and Colloidal Chemistry Chair, graduated Gubkin MINHGP (now Gubkin Russian State University of Oil and Gas) in 1972. RAEN academic, member of “Neftehimiya” journal editorial staff, member of expert advisory councils of Moscow government and Gosduma. Author of 250 publications. E-mail: vinok_ac@mail.ru

Abstract: Non-empirical quantum mechanical calculations were carried out. It is shown that the presence of benzene in low and in high boiling gasoline fractions takes place because of formation of intermolecular complexes of benzene with other aromatic hydrocarbons. The energy of the interaction of molecules in these complexes exceeds that of thermal movement, therefore such complexes are stable enough.

Index UDK: 544.147: 665.633.8

Keywords: gasoline, boiling temperatures of fractions, density, non-empirical quantum mecha-nical calculations, intermolecular complexes, benzene, aromatic hydrocarbons, energy of the interaction

Bibliography: