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  Characterization of heavy sulfur aromatic compounds in petroleum fractions

Andersson, J. T., Japes, A., Panda, S. K., & Schrader, W. (2008). Characterization of heavy sulfur aromatic compounds in petroleum fractions. In Abstracts of Scientific Papers of the American Chemical Society (pp. FUEL-2).

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 Creators:
Andersson, Jan T.1, Author
Japes, Ansgar1, Author
Panda, Saroj K.2, Author              
Schrader, Wolfgang2, Author              
Affiliations:
1Institute of Inorganic and Analytical Chemistry, University of Münster, Corrensstr. 30, 48149 Münster, Germany, ou_persistent22              
2Service Department Schrader (MS), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445629              

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 Abstract: Sulfur aromatic compounds in crude oil and heavy fractions like vacuum gas oils are investigated with an ultimate view to finding out structural characteristics of compounds refractory to hydrodesulfurization. A combination of liquid chromatographic methods and ultrahigh resolving Fourier transform ion cyclotron resonance mass spectrometry is used. A palladium(II) containing stationary phase separates the polycyclic aromatic hydrocarbons from the polycyclic aromatic sulfur heterocycles and a third fraction that seems to contain aliphatic sulfides. The sulfur aromatic compounds can be separated based on the size of their aromatic system. The compounds are analyzed by high-resolution mass spectrometry and the data displayed as Kendrick plots, i.e. the double bond equivalent vs. the mass. Hydrodesulfurization of a vacuum gas oil is shown to preferentially remove benzothiophenes. The sulfide fraction is less aromatic than the sulfur aromatic fraction but the molar masses are also in the range up to ca 800 Da.

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Language(s): eng - English
 Dates: 2008-08-21
 Publication Status: Published in print
 Pages: 1
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Title: 236th ACS National Meeting and Exposition
Place of Event: Philadelphia, PA, USA
Start-/End Date: 2008-08-17 - 2008-08-21

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Title: Abstracts of Scientific Papers of the American Chemical Society
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: - Start / End Page: FUEL-2 Identifier: -