Understanding the removal of V, Ni and S in crude oil atmospheric residue hydrodemetallization and hydrodesulfurization

Garcia-Montoto, Victor; Verdier, Sylvain; Maroun, Zeina; Egeberg, Rasmus Gottschalck; Tiedje, Joan L.; Sandersen, Sara Bülow; Zeuthen, P.; Bouyssière, Brice

doi:10.1016/j.fuproc.2020.106341

Cited by 26 publications

(32 citation statements)

References 18 publications

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“…75 Additional studies have highlighted the effect of GPC on porphyrin characterization in heavy oil 69,[71][72][73][75][76][77][78][79][80] and applied GPC to understand hydrodemetallization and hydrodesulfurization processes. 81 High-performance thin-layer chromatography. Moulian et al 82 studied the contribution of porphyrins to asphaltene aggregation and reported an increase in the molecular weight of asphaltene aggregates in the presence of metalloporphyrins that interacted with asphaltene aggregate surfaces, and these species likely play a critical role in asphaltene aggregation, coprecipitation, and demetallation processes.…”

Section: Selective Affinity Chromatographymentioning

confidence: 99%

Advances and Challenges in the Molecular Characterization of Petroporphyrins

et al. 2021

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Petroporphyrins, geoporphyrins, or metalloporphyrins are the original petroleum biomarkers, identified by Alfred Treibs more than a century ago and the first molecular evidence for the biogenic origins of petroleum. Since discovery, analytical strategies have been developed to identify porphyrins in petroleum and its fractions. This review focuses on the advances enabled by ultrahigh resolving power Fourier transform ion cyclotron resonance mass spectrometry in tribute to Professor Alan G. Marshall.

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Section: Selective Affinity Chromatographymentioning

confidence: 99%

Advances and Challenges in the Molecular Characterization of Petroporphyrins

et al. 2021

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“…Garcia-Montoto et al [9] predicted the three steps of the poisoning mechanism. First is the coke formation from metallic porphyrins on the catalyst surface, which is a rapid reaction with first-order reaction halftime of about a hundred hours.…”

Section: Fig 2 Peripheral Substituents Location On the Porphyrin Frameworkmentioning

confidence: 99%

“…Second, the metallic porphyrins slowly cover the entire surface to ensure gradual activity deactivation. Third, the yields tend to create pore plugging, then facilitate access restriction to the catalyst active site, and consequently prompt a drastic termination of activity [9].…”

Section: Fig 2 Peripheral Substituents Location On the Porphyrin Frameworkmentioning

confidence: 99%

“…Conversely, gel permeation chromatography reportedly provides metallic porphyrin measurements with better validity [43]. Garcia-Montoto et al [9] reported a successful quantification using this technique, alongside the addition of HR4 styrenedivinylbenzene as well as 0.5% v/v isopropanol in benzene as the stationary and mobile phase, respectively. Subsequently, the metallic porphyrin yields were separated based on molecule size and concentration before the standard calibration curve is calculated [9].…”

Section: ■ Detection and Quantification Of Metallic Porphyrins In Crude Oilsmentioning

confidence: 99%

“…The respective compound composition varies appreciably across the reservoirs, and crude oil also contains paraffin (alkanes), naphthenes (cycloalkanes), as well as aromatic compounds [8]. In addition, some components have been separated through a fractionation distillation process for commercial applications, and further actions in the form of thermal cracking, catalytic reforming, isomerization, and hydrodealkylation processes are possibly required to attain the product market requirement [9]. Therefore, impurity elimination is pivotal to obtain products with high-purity [10].…”

Section: ■ Introductionmentioning

confidence: 99%

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The Origin, Physicochemical Properties, and Removal Technology of Metallic Porphyrins from Crude Oils

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Crude oil is an indispensable energy feedstock for daily activities, although some amounts of metallic porphyrins components with undesired characteristics have been identified. These constituents are assumed to originate from the geochemical process of chlorophyll and heme derivatives. In addition, their chemical structures have been thoroughly characterized using spectroscopy techniques, while several analytical methods were adopted in the detection and concentration quantification in the crude oils. The metallic porphyrins have several demerits, including the deactivation of used catalysts, contamination of the treated petrochemical products, and corrosion of the industrial equipment. Also, the removal process is considered challenging due to the strong interaction with the asphaltene fraction of crude oil. This review article, therefore, provides brief information on the origin, physicochemical properties, and possible removal technology of metallic porphyrins from crude oil samples. Besides, a better understanding of chemistry contributes a useful insight towards the development and establishment of better futuristic processing technology.

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