Journal of thermal analysis

, Volume 36, Issue 7–8, pp 2465–2473 | Cite as

Thermoanalytical characterization of Aleksinac (Yugoslavia) oil shale kerogen

  • D. Vucelic
  • V. D. Krsmanovic
  • V. Vucelic
  • M. Kicanovic
  • D. Vitorovic
Article

Abstract

The chemical nature of the kerogen from Aleksinac (Yugoslavia) oil shale was studied by thermal analysis of a kerogen concentrate and the partially degraded kerogen concentrates obtained as intermediates in its stepwise alkaline permanganate oxidation. The initial kerogen concentrate decomposed in the range 200–550°C and the DTG profile consisted of several overlapping peaks. The partially degraded kerogen concentrates were thermally more stable. Their thermograms consisted of two distinct parts: the low- (150–420°C) and the high-temperature (420–650°C) part. Each of them was complex, involving two or more components. On the basis of IR data, it was suggested that the low-temperature part corresponded to the thermal degradation of aliphatic, and the high-temperature part to the degradation of aromatic components.

Keywords

Shale Thermal Analysis Thermal Degradation Kerogen Permanganate 

Zusammenfassung

Mittels Thermoanalyse eines Kerogenkonzentrates und als Zwischenprodukte einer schrittweisen alkalischen Permanganatoxidation erhaltener, teilweise abgebauter Kerogenkonzentrate wurde die chemische Natur von Kerogen eines Ölschiefers aus Aleksinac (Jugoslawien) untersucht. Das ursprüngliche Kerogenkonzentrat zersetzt sich im Bereich 200–550°C, die DTG-Kurve besteht aus mehreren überlappenden Peaks. Die teilweise abgebauten Kerogenkonzentrate waren thermisch stabiler. Ihre Thermogramme gliedern sich in zwei Teile: in den Niedrig- (150–420°C) und in den Hochtemperaturbereich (420–650°C). Alle waren komplexer Natur, bestehend aus zwei oder mehr Komponenten. IR-sUntersuchungen lassen darauf schließen, daß der Niedrigtemperaturbereich dem thermischen Abbau der aliphatischen, der Hochtemperaturbereich hingegen dem Abbau der aromatischen Bestandteile entspricht.

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References

  1. 1.
    C. Durand-Souron, Kerogen, Insoluble Organic Matter from Sedimentary Rocks, Editions Technip, Paris 1980, p. 143.Google Scholar
  2. 2.
    D. Vitorovic, M. V. Djuricic and B. Ilic, Advances in Organic Geochemistry 1973, Edition Technip, Paris 1974, p. 179.Google Scholar
  3. 3.
    V. D. Krsmanovic, M. Ercegovac and D. Vitorovic, Org. Geochem., 1 (1978) 85.Google Scholar
  4. 4.
    V. D. Krsmanovic, V. Vucelic, D. Vucelic and D. Vitorovic, J. Thermal Anal., 32 (1987) 835.Google Scholar
  5. 5.
    D. Vucelic, V. D. Krsmanovic, V. Vucelic and D. Vitorovic, J. Thermal Anal., 34 (1988) 1231.Google Scholar
  6. 6.
    S. Lj. Jovanovic and D. Vitorovic, Bull. Soc. Chim. Beograd, 17 (1952) 347.Google Scholar
  7. 7.
    D. Vitorovic, V. D. Krsmanovic and P. A. Pfendt, Advances in Organic Geochemistry 1979, Pergamon Press, Oxford 1980, p. 585.Google Scholar
  8. 8.
    V. D. Krsmanovic, D. Vitorovic, E. W. Tagelaar, J. W. de Leeuw and P. A. Schenck, Proc. 8th Int. Symp. Pure Applied Pyrolisis, Lund, Sweden, June 13–17 (1988).Google Scholar
  9. 9.
    W. Naucke, 4. Torf-Kolloquium DDR-VR Polen 1/6, Rostock (1967).Google Scholar
  10. 10.
    F. Paulik and M. Weltner, Acta Chim. Acad. Sci. Hung., 16 (1958) 159.Google Scholar

Copyright information

© Wiley Heyden Ltd., Chichester and Akadémiai Kiadó, Budapest 1990

Authors and Affiliations

  • D. Vucelic
    • 1
    • 3
  • V. D. Krsmanovic
    • 1
    • 2
  • V. Vucelic
    • 3
  • M. Kicanovic
    • 3
  • D. Vitorovic
    • 1
    • 2
  1. 1.Department of Chemistry and Physical Chemistry, Faculty of ScienceUniversity of BelgradeBelgradeYugoslavia
  2. 2.Technology and MetallurgyInstitute of ChemistryBelgradeYugoslavia
  3. 3.Institute of General and Physical ChemistryBelgradeYugoslavia

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