Modeling of catagenetic transformation of saturated and alkylaromatic petroleum hydrocarbons

Певнева, Г. С.; Савельев, В. В.; Головко, А. К.

doi:10.1134/s0965544113040117

Cited by 8 publications

(1 citation statement)

References 20 publications

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“…It cannot be deduced which position and arrangement that these methyl groups take in the aromatic structure. Thermolysis benefits the formation of alkylated aromatic hydrocarbons 44 but just at temperatures over 350 °C. Other studies dealing with the pyrolysis of polycyclic aromatic compounds in gas and liquid phases revealed that alkylated PAHs are precursors of higher condensed aromatic ring structures.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

Analysis of Internal Common Rail Injector Deposits via Thermodesorption Photon Ionization Time of Flight Mass Spectrometry

et al. 2015

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Increasing reports about malfunctions in Common Rail Injector (CRI) systems lead to a more intensive research on diesel fuel injection systems, which are working under higher pressures and temperatures. Under these conditions, deposits were formed and they deteriorated the injector performance. Therefore, it is necessary to investigate the formed deposits in order to avoid injector sticking. Previous studies have identified different substance classes such as alkanes, carboxylic salts and aromatic hydrocarbons in the deposits. In particular, aromatics and polycyclic aromatic hydrocarbons (PAH) are suspected to produce insoluble solid precipitates. In this study, thermodesorption resonance-enhanced multiphoton ionization time-of-flight mass spectrometry (REMPI-ToF-MS) as a novel analytical technique for direct measurements of aromatic containing deposits on injector parts was performed. Experiments were carried out in a self-made test bench, where the CRI were installed. Influence of temperature, injection pressure, injection amount of used fuel and fuel composition on the tendency to form deposits on the metal surface of commercial CRI parts, especially its ring, was investigated. In most cases, the rings were directly analyzed by the aromatic selective REMPI-technique without any sample preparation. The temperature program of the used Carbon Analyzer (CA) helps to separate the desorbing material into volatile and non-volatile organic matter during the pyrolysis under helium atmosphere within the oven of the CA. The results concentrate on volatile organic matter desorbing step and indicate a strong influence of temperature and fuel composition on the amount of analyzed aromatic compounds. They were not equal with the results of thickness layer measurements in individual cases. Comprehensive analytical methods such as single photon ionization (SPI) are needed for further information.

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Section: ■ Results and Discussionmentioning

confidence: 99%

Analysis of Internal Common Rail Injector Deposits via Thermodesorption Photon Ionization Time of Flight Mass Spectrometry

et al. 2015

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Composition of alkyl arenes of Phanerozoic oils

Певнева

Головко

2017

Russian Geology and Geophysics

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We summarize the results of our long-term research into the composition of alkyl derivatives of mono-, bi-, and tricyclic aromatic hydrocarbons of 113 crude oils from the Cenozoic (Sakhalin, Pannonian Basin (Serbia), China, and Vietnam), Cretaceous (West Siberia, Mongolia, China, and Saxony), Jurassic (West Siberia and Saxony), and Paleozoic (West Siberia, East Siberia, and Timan–Pechora and Volga–Ural petroliferous provinces) deposits localized at depths from 200 to 4500 m. To identify compositional similarities and differences of crude oils from deposits of different ages, we processed the obtained data on the individual composition of alkanes, alkyl benzenes, alkyl naphthalenes, and alkyl phenanthrenes by principal-component analysis. The analysis has revealed the regularities of changes in the content and composition of alkyl aromatic hydrocarbons in crude oils depending on the age of the enclosing deposits.

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Effects of calcite and dolomite on conversion of heavy oil under subcritical condition

Ситнов

Vakhin

Mukhamatdinov

et al. 2019

Petroleum Science and Technology

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Modeling of catagenetic transformation of saturated and alkylaromatic petroleum hydrocarbons

Cited by 8 publications

References 20 publications

Analysis of Internal Common Rail Injector Deposits via Thermodesorption Photon Ionization Time of Flight Mass Spectrometry

Analysis of Internal Common Rail Injector Deposits via Thermodesorption Photon Ionization Time of Flight Mass Spectrometry

Composition of alkyl arenes of Phanerozoic oils

Effects of calcite and dolomite on conversion of heavy oil under subcritical condition

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