Heavy Petroleum Composition. 5. Compositional and Structural Continuum of Petroleum Revealed
| Autor: | Benjamin J. Bythell, Amy M. McKenna, Ryan P. Rodgers, Leonard Nyadong, Winston K. Robbins, David C. Podgorski, Alan G. Marshall, Yuri E. Corilo, Vladislav V. Lobodin |
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| Rok vydání: | 2013 |
| Předmět: |
Vacuum distillation
General Chemical Engineering Analytical chemistry Energy Engineering and Power Technology Aromaticity Fourier transform ion cyclotron resonance law.invention chemistry.chemical_compound Boiling point Fuel Technology chemistry law Petroleum Compositional data Distillation Asphaltene |
| Zdroj: | Energy & Fuels. 27:1268-1276 |
| ISSN: | 1520-5029 0887-0624 |
| Popis: | Twenty-five years ago, Boduszynski et al. conducted a comprehensive study of heavy oil composition and concluded that crude oil composition increases gradually and continuously with regard to aromaticity, molecular weight, and heteroatom content from the light distillates to non-distillables (the Boduszynski continuum model). Previous exhaustive characterization of heavy vacuum gas oil by Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS) provided compositional data that strongly supports the continuum model. However, when the molecular formulas obtained by FT-ICR MS for the distillates and asphaltenes from the same parent crude oil are plotted as double bond equivalents (DBE) versus carbon number, a gap appears between the compositional space of “asphaltenes” and “maltenes”, in contradiction to the Boduszynski–Altgelt model. Here, a heavy distillate cut (atmospheric equivalent boiling point of 523–593 °C) is fractionated according to the number of aromatic rings by HPLC-2. The C7-dea... |
| Databáze: | OpenAIRE |
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