Microelements in chromatographic fractions of petroleum resins and asphaltenes from Russian crude oil

L. V. Gorbunova, T. A. Filimonova, V. A. Varlachev, G. N. Aleshin, G. G. Glukhov, V. F. Kam'yanov

Research output: Contribution to journalArticle

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Abstract

1. 1. Neutron-activation analysis was used to determine 13 microelements in resin-asphalt components of Russian petroleum and products of extraction-chromatographic separation. The concentration of almost all microelements is much higher in asphaltenes than in resins. Vandium atoms are concentrated mainly in non-porphyrinic molecules with moderate polarity and increased aromaticity; during chromatographic separation the other micro-elements accumulate mainly in high-polarity fractions of increased oxygen and sulphur contents. 2. 2. Fe- and Na-containing components of Russian petroleum are of low stability and easily break down on contact with the active surface of adsorbents; as a result 77-98% of these elements are eliminated from the organic phase during chromatograpy. V, Ag, Hg, Mn, Ni, Co and Zn form much stronger complexes with asphaltenes and resins; some 70% are retained in compounds of high molar mass after adsorption.

Original languageEnglish
Pages (from-to)10-16
Number of pages7
JournalPetroleum Chemistry: U.S.S.R
Volume24
Issue number1
DOIs
Publication statusPublished - 1984

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Asphaltenes
Resins
Crude oil
Neutron activation analysis
Molar mass
Asphalt
Adsorbents
Sulfur
Adsorption
Atoms
Molecules
Oxygen

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Microelements in chromatographic fractions of petroleum resins and asphaltenes from Russian crude oil. / Gorbunova, L. V.; Filimonova, T. A.; Varlachev, V. A.; Aleshin, G. N.; Glukhov, G. G.; Kam'yanov, V. F.

In: Petroleum Chemistry: U.S.S.R, Vol. 24, No. 1, 1984, p. 10-16.

Research output: Contribution to journalArticle

Gorbunova, L. V. ; Filimonova, T. A. ; Varlachev, V. A. ; Aleshin, G. N. ; Glukhov, G. G. ; Kam'yanov, V. F. / Microelements in chromatographic fractions of petroleum resins and asphaltenes from Russian crude oil. In: Petroleum Chemistry: U.S.S.R. 1984 ; Vol. 24, No. 1. pp. 10-16.
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AU - Aleshin, G. N.

AU - Glukhov, G. G.

AU - Kam'yanov, V. F.

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N2 - 1. 1. Neutron-activation analysis was used to determine 13 microelements in resin-asphalt components of Russian petroleum and products of extraction-chromatographic separation. The concentration of almost all microelements is much higher in asphaltenes than in resins. Vandium atoms are concentrated mainly in non-porphyrinic molecules with moderate polarity and increased aromaticity; during chromatographic separation the other micro-elements accumulate mainly in high-polarity fractions of increased oxygen and sulphur contents. 2. 2. Fe- and Na-containing components of Russian petroleum are of low stability and easily break down on contact with the active surface of adsorbents; as a result 77-98% of these elements are eliminated from the organic phase during chromatograpy. V, Ag, Hg, Mn, Ni, Co and Zn form much stronger complexes with asphaltenes and resins; some 70% are retained in compounds of high molar mass after adsorption.

AB - 1. 1. Neutron-activation analysis was used to determine 13 microelements in resin-asphalt components of Russian petroleum and products of extraction-chromatographic separation. The concentration of almost all microelements is much higher in asphaltenes than in resins. Vandium atoms are concentrated mainly in non-porphyrinic molecules with moderate polarity and increased aromaticity; during chromatographic separation the other micro-elements accumulate mainly in high-polarity fractions of increased oxygen and sulphur contents. 2. 2. Fe- and Na-containing components of Russian petroleum are of low stability and easily break down on contact with the active surface of adsorbents; as a result 77-98% of these elements are eliminated from the organic phase during chromatograpy. V, Ag, Hg, Mn, Ni, Co and Zn form much stronger complexes with asphaltenes and resins; some 70% are retained in compounds of high molar mass after adsorption.

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