Results 11 to 20 of about 1,012 (184)

Hydrodesulfurization of benzothiophene on Ni2P surface

open access: yesEnergy Exploration & Exploitation, 2020
The study of benzothiophene hydrodesulfurization reaction path contribute to clarifying the mechanism of hydrodesulfurization (HDS) of heavy oil. In this work, experiments and simulations were combined to study the reaction pathway of benzothiophene ...
Riyi Lin   +6 more
doaj   +1 more source

Synthesis of trimetallic nanocatalysts of alumina supported Ni-Mo-W by ultrasound-precipitation method for thiophene hydrodesulfurization [PDF]

open access: yesشیمی کاربردی روز, 2020
In this study trimetallic Ni-Mo-W/alumina catalysts with different percentages of tungsten were synthesized by a hybrid method of ultrasound-precipitation.
Dariush Moghaddam Nejad   +2 more
doaj   +1 more source

Bacterial Biological Factories Intended for the Desulfurization of Petroleum Products in Refineries

open access: yesFermentation, 2023
The removal of sulfur by deep hydrodesulfurization is expensive and environmentally unfriendly. Additionally, sulfur is not separated completely from heterocyclic poly-aromatic compounds. In nature, several microorganisms (Rhodococcus erythropolis IGTS8,
Abrar Ahmad   +5 more
doaj   +1 more source

CHARACTERIZATION AND HYDROTREATMENT OF SHALE OILS OF MONGOLIAN OIL SHALES; pp. 168–182 [PDF]

open access: yesOil Shale, 2018
The shale oils of oil shales from Mongolian Khoot, Tesegtiin honhor, Uvurjargalant and Zuun bulag deposits, as well as their distillates were studied by the hydrodesulfurization (HDS), hydrodenitrogenation (HDN) and hydrodeoxygenation (HDO) processes for
Gantumur Enkhjargal   +4 more
doaj   +1 more source

Oxalic Acid as a Hydrogen Donor for the Hydrodesulfurization of Gas Oil and Deoxygenation of Rapeseed Oil Using Phonolite-Based Catalysts

open access: yesMolecules, 2020
The use of renewable local raw materials to produce fuels is an important step toward optimal environmentally friendly energy consumption. In addition, the use of these sources together with fossil fuels paves the way to an easier transition from fossil ...
José Miguel Hidalgo Herrador   +4 more
doaj   +1 more source

EFFECT OF CERIUM ON HYDRODESULFURIZATION CATALYST PERFORMANCE

open access: yesIndonesian Journal of Chemistry, 2010
Effect of cerium on hydrodesulfurization catalysts performance have been investigated. The catalysts were Pt or Pt-Ce supported on zeolite. The Pt/Zeolite catalyst was prepared by wet impregnation method, while that of Pt-Ce/Zeolite catalyst was prepared
Triyono Triyono, Wega Trisunaryanti
doaj   +1 more source

Parametric Study on Intrinsic Reaction for Straight Run Heavy Naphtha Hydrodesulfurization over CoMo/Al2O3 Catalyst [PDF]

open access: yesEngineering and Technology Journal, 2018
The present study aimed to investigate the intrinsic reaction of hydrodesulfurization (HDS) for a real Straight Run Heavy Naphtha (SRHN) over CoMo-S/Al2O3 catalyst in a fixed- bed reactor.
Mohammad Abid   +2 more
doaj   +1 more source

Testing conditions for CoMo HDS catalyst in the kinetic region: integrated approach using the math calculations and catalytic experiments

open access: yesChimica Techno Acta, 2023
The main idea of the investigation was to define testing parameters with the lowest influence of internal and external diffusion on catalytic activity in hydrodesulfurization of dibenzothiophene.
Polina P. Mukhacheva   +7 more
doaj   +1 more source

The Effects of pH and Chelating Agent on Synthesis and Characterization of Ni Mo/γ- Alumina Nanocatalyst for Heavy Oil Hydrodesulfurization [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2021
In this research, various organic additives (as a chelating agent) were used to prepare NiMo/ 𝛾-Al2O3 bimetallic catalysts. Then effects of additives and pH variation were studied on textural properties, morphology, and size of nanocatalyst particles ...
Soheila Sheibani   +2 more
doaj   +1 more source

LUMPING KINETICS OF HYDRODESULFURIZATION AND HYDRODENITROGENATION OF THE MIDDLE DISTILLATE FROM CHINESE SHALE OIL; pp. 517–535 [PDF]

open access: yesOil Shale, 2013
The hydrogenation experiments of the middle distillate (MD) of Chinese Huadian shale oil were carried out in a bench-scale trickle-bed reactor using a commercial catalyst Ni-Mo-W/Al2O3 under various operating conditions.
XUN TANG   +4 more
doaj   +1 more source

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