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The European Physical Journal Special Topics

, Volume 154, Issue 1, pp 263–266 | Cite as

Acoustic studies of ternary mixture phenanthrene – toluene – heptane as a model of natural flocculating system

  • M. Bucek
  • W. Marczak
Article
  • 42 Downloads

Abstract.

Complexity of natural systems causes that results of experimental studies are often ambiguous and extremely unrewarding in interpretation. To overcome this difficulty, relative simple model systems may be investigated in order to provide physical grounds for further discussion. This study deals with adiabatic compressibility of liquid ternary system consisting of phenanthrene, toluene and heptane. Increase of heptane concentration in the mixture changes considerably the partial compressibility of phenanthrene, from common positive value in pure toluene up to clearly negative ones. This is most probably because of self-association of phenanthrene due to strong London forces. Heptane seems to promote the self-association. These feature of the investigated system suggests its usefulness in studies of flocculation of asphaltenes from crude oils.

Keywords

Toluene Compressibility Heptane Phenanthrene European Physical Journal Special Topic 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2008

Authors and Affiliations

  • M. Bucek
    • 1
  • W. Marczak
    • 1
  1. 1.Institute of Chemistry, University of SilesiaKatowicePoland

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