Catalytic Hydroprocesses and Oil Refining

A special issue of Catalysts (ISSN 2073-4344).

Deadline for manuscript submissions: closed (30 June 2020) | Viewed by 5006

Special Issue Editors


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Guest Editor
Boreskov Institute of Catalysis SB RAS, Novosibirsk, Russia
Interests: hydrotreating; hydrocracking; catalysts; mathematic modeling; sulfides

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Guest Editor
Institut de Recherches sur la Catalyse et l’Environnement de Lyon (IRCELYON/CNRS/UCBL1), 69626 Villeurbanne, France
Interests: Heterogeneous catalysis, hydrotreating, materials synthesis (sulfides, oxides, nitrides..), photo and electro catalysis, operando spectroscopies

Special Issue Information

Dear Colleagues,

Hydroprocesses in oil refining have been developed for more than 70 years. However, the interest to this area is still great. At present, due to the tightening of ecological requirements to motor fuels and deepening of oil refining in general, improvement of hydroprocesses is ever more pertinent. Different approaches to the improvement of hydroprocessing catalysts and engineering approaches to improve performance of catalysts are being developed. Catalyst improvement includes preparation methods, synthesis of new precursors of active components, synthesis of new supports or supports and catalysts with adjusted properties, etc. To optimize catalysts’ performance, various engineering solutions can be applied. Improvement of all the aspects of hydroprocessing is devoted to the production of ULS motor fuels by removing sulfur, nitrogen or aromatic compounds or to the increase of the yield of goal fractions like gasoline or diesel during hydrocracking or cracking processes. This Special Issue is focused on “Catalytic Hydroprocesses in Oil Refining”, with the aim to present the most recent and innovative scientific results in this field. In particular, research papers related to the development of specific hydroprocessing catalysts and improvement of hydroprocess performance in general are welcome in this Special Issue.

Prof. Noskov Aleksandr Stepanovich
Dr. Pavel AFANASIEV
Guest Editors

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Keywords

  • hydroprocessing catalysts
  • hydrotreating
  • hydrocracking
  • sulfide catalysts
  • zeolites

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Published Papers (2 papers)

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Research

10 pages, 1990 KiB  
Article
In Situ Thermal-Stage Fitted-STEM Characterization of Spherical-Shaped Co/MoS2 Nanoparticles for Conversion of Heavy Crude Oils
by Manuel Ramos, Félix Galindo-Hernández, Brenda Torres, José Manuel Domínguez-Esquivel and Martin Heilmaier
Catalysts 2020, 10(11), 1239; https://doi.org/10.3390/catal10111239 - 27 Oct 2020
Cited by 5 | Viewed by 2110
Abstract
We report the thermal stability of spherically shaped cobalt-promoted molybdenum disulfide (Co/MoS2) nano-catalysts from in-situ heating under electron irradiation in the scanning transmission electron microscope (STEM) from room temperature to 550 °C ± 50 °C with aid of Fusion® holder [...] Read more.
We report the thermal stability of spherically shaped cobalt-promoted molybdenum disulfide (Co/MoS2) nano-catalysts from in-situ heating under electron irradiation in the scanning transmission electron microscope (STEM) from room temperature to 550 °C ± 50 °C with aid of Fusion® holder (Protochip©, Inc.). The catalytic nanoparticles were synthesized via a hydrothermal method using sodium molybdate (Na2MoO4·2H2O) with thioacetamide (CH3CSNH2) and cobalt chloride (CoCl2) as promoter agent. The results indicate that the layered molybdenum disulfide structure with interplanar distance of ~0.62 nm remains stable even at temperatures of 550 °C, as observed in STEM mode. Subsequently, the samples were subjected to catalytic tests in a Robinson Mahoney Reactor using 30 g of Heavy Crude Oil (AGT-72) from the golden lane (Mexico’s east coast) at 50 atm using (ultrahigh purity) UHP hydrogen under 1000 rpm stirring at 350 °C for 8 h. It was found that there is no damage on the laminar stacking of Co/MoS2 with temperature, with interlayer spacing remaining at 0.62 nm; these sulfided catalytic materials led to aromatics rise of 22.65% and diminution of asphaltenes and resins by 15.87 and 3.53%, respectively. Full article
(This article belongs to the Special Issue Catalytic Hydroprocesses and Oil Refining)
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14 pages, 1770 KiB  
Article
Deposition of Co onto Supported MoS2 by Water-Assisted Spreading: Increased Activity Promotion in Hydrodesulphurization of 1-Benzothiophene
by Luděk Kaluža, Martin Koštejn and Daniela Gulková
Catalysts 2019, 9(12), 987; https://doi.org/10.3390/catal9120987 - 25 Nov 2019
Cited by 4 | Viewed by 2482
Abstract
Hydrodesulphurization (HDS) catalysts were newly prepared by water-assisted spreading of CoCO3.Co(OH)2 of low solubility in water onto pre-sulphided Mo species supported on several Al2O3 of surface area SBET 77-262 m2g−1, ZrO2 [...] Read more.
Hydrodesulphurization (HDS) catalysts were newly prepared by water-assisted spreading of CoCO3.Co(OH)2 of low solubility in water onto pre-sulphided Mo species supported on several Al2O3 of surface area SBET 77-262 m2g−1, ZrO2 of SBET 108 m2g−1, and TiO2 of SBET 140 m2g−1. The spreading was followed by scanning electron microscopy (SEM-EDX). X-ray photoelectron spectroscopy (XPS) and temperature programmed reduction (H2-TPR) characterized partial re-oxidation of sulphidic Mo catalysts before Co sorption. The prepared catalysts were characterized in sulphidic form by H2-TPR. Activity of catalysts was determined in the HDS reaction of 1-benzothiophene. The spreading of Co onto sulphidic catalysts led to systematic increase of HDS activity by 16–86% in comparison to the spreading of Co onto oxide samples. Full article
(This article belongs to the Special Issue Catalytic Hydroprocesses and Oil Refining)
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