Results 1 to 10 of about 288,332 (292)

Aging Process Effects on the Characteristics of Vacuum Residue Oxidation Products with the Addition of Crumb Rubber [PDF]

Molecules, 2022
This paper considers the effect of aging processes on viscoelastic characteristics of vacuum residue oxidation products modified with crumb rubber. Viscoelastic properties were compared to original bitumen raw material-vacuum residue and vacuum residue ...
Yerdos Ongarbayev, Ainur Zhambolova, Yerbol Tileuberdi, Zulkhair Mansurov, Cesare Oliviero Rossi, Pietro Calandra, Bagdat Teltayev   +6 more
doaj   +2 more sources

Calculation Method to Determine the Group Composition of Vacuum Distillate with High Content of Saturated Hydrocarbons [PDF]

MATEC Web of Conferences, 2016
Calculation method to determine the group composition of the heavy fraction of vacuum distillate with high content of saturated hydrocarbons, obtained by vacuum distillation of the residue from the West Siberian oil with subsequent hydrotreating, are ...
Nazarova Galina, Ivashkina Elena, Shafran Tatyana, Belinskaya Nataliya   +3 more
doaj   +2 more sources

MODIFIED DESIGN FOR VACUUM RESIDUE PROCESSING

CT&F Ciencia, Tecnología & Futuro, 2010
The world petroleum industry shows a decreasing in the oil reserves, specially the light kind. For this reason is very important to implement process schemes that give the possibility to improve the recuperation of valuable products of heavy oil. In this
Sandro-Faruc González, Jesús Carrillo, Manuel Núñez, Luis-Javier Hoyos, Sonia-A. Giraldo   +4 more
doaj   +3 more sources

Hydrocracking of Various Vacuum Residues

Fuels
The residue conversion processes, coking, visbreaking, and fluid catalytic cracking (FCC), have demonstrated that feedstock quality is the single factor that most affects process performance.
Dicho Stratiev
doaj   +2 more sources

Studying Thermal Cracking Behavior of Vacuum Residue

Iraqi Journal of Chemical and Petroleum Engineering, 2020
In the oil industry, the processing of vacuum residue has an important economic and environmental benefit. This work aims to produce industrial petroleum coke with light fuel fractions (gasoline, kerosene , gas oil) as the main product and de asphalted ...
Saleem Mohammad Alrubaye, Mohammed Saadi Hameed, Abdulkareem Dahash Affat   +2 more
doaj   +3 more sources

Deashaltening and Hydrodesulphurization of Jumboor Vacuum Residue

Tikrit Journal of Engineering Sciences, 2007
Vacuum residue of Jumboor crude oil above 773 K of specific gravity 1.105 and 6. I wt% sulfur , was treated with commercial pentane &hexane fractions for preparing deasphaltened oil (DAO) suitable for hydrodesulphurization process. Solvent deasphaltening
Aysar T. Jarallah, Shaemaa A. Hameed
doaj   +2 more sources

Empirical Modeling of Viscosities and Softening Points of Straight-Run Vacuum Residues from Different Origins and of Hydrocracked Unconverted Vacuum Residues Obtained in Different Conversions

Energies, 2022
The use of hydrocracked and straight-run vacuum residues in the production of road pavement bitumen requires a good understanding of how the viscosity and softening point can be modeled and controlled.
Dicho Stratiev, Svetoslav Nenov, Dimitar Nedanovski, Ivelina Shishkova, Rosen Dinkov, Danail D. Stratiev, Denis D. Stratiev, Sotir Sotirov, Evdokia Sotirova, Vassia Atanassova, Simeon Ribagin, Krassimir Atanassov, Dobromir Yordanov, Nora A. Angelova, Liliana Todorova-Yankova   +14 more
doaj   +1 more source

Influence of Asphaltenes on the Low-Sulphur Residual Marine Fuels’ Stability

Journal of Marine Science and Engineering, 2021
The effects of asphaltenes from two heavy oil residues on the sedimentation stability of residual marine fuels were assessed and compared. As base components of residual marine fuels, the vacuum residue (VacRes) and visbreaking residue (VisRes) were ...
Ksenia I. Smyshlyaeva, Viacheslav A. Rudko, Vladimir G. Povarov, Alina A. Shaidulina, Ignaty Efimov, Renat R. Gabdulkhakov, Igor N. Pyagay, James G. Speight   +7 more
doaj   +1 more source

The Effect of Variable Parameters on Carbon Residue of Iraqi Vacuum Gas Oil using Ultrasound Techniques

Iraqi Journal of Chemical and Petroleum Engineering, 2023
An ultrasonic treatment was applied to the vacuum gas oil at intervals of 5 to 30 minutes, at 70°C.  In this work, the improvement of the important properties of Iraqi vacuum gas oil, such as carbon residue, was studied with several parameter conditions
Fatima H. Abbas, Tariq M. Naife, Hind Barghash   +2 more
doaj   +1 more source

A Precise Mathematical Correlation to Estimate Product Yield of Delayed Coking Units [PDF]

Journal of Chemical and Petroleum Engineering, 2023
Typical models are employed to estimate the product yields of delayed coking units using complicated and multistep calculations. In current study, a new first-order mathematical model have been proposed to estimate delayed coking products yield utilizing
Majid Ahmadlouydarab, Seyed Sharif Hosseini, Hafiz Muhammad Ali, Naser Asadzadeh   +3 more
doaj   +3 more sources