Journal
FUEL
Volume 323, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2022.124302
Keywords
Vacuum gas oil; Hydrotreatment; FTICR-MS
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Funding
- IFP Energies Nouvelles and TotalEnergies, France
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This study aims to understand the molecular level differences in vacuum gas oil hydrotreatment process and characterize basic and neutral nitrogen-containing species in VGO and HDT effluents using FTICR-MS, exploring the subtleties of HDT transformations depending on the feedstock type.
This paper is a part of a study on reactivity descriptors in vacuum gas oil hydrotreatment (VGO HDT). It aims to understand the differences in feeds of various process origins and the corresponding hydrotreated effluents on a molecular level. Four different vacuum gas oils were hydrotreated over a sulfided NiMo/Al2O3 catalyst at a wide range of temperatures and residence times in order to collect HDT effluents at a broad range of hydrodenitrogenation (HDN) conversions. Vacuum gas oils and HDT effluents have been analyzed by Fourier transform ion cyclotron resonance mass spectrometry (FTICR-MS) in positive ESI(+) and negative ESI(-) electrospray ionization modes to characterize the basic and neutral nitrogen-containing species and the subtleties of HDT transformations depending on the feedstock type.
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