Results 11 to 20 of about 2,311 (204)
Bio-oil can be fractionated into three parts according to their boiling points. This research reported that light distillates could be converted into oxygenated liquid fuels through a two-stage hydrotreatment approach, using a Pd/C catalyst.
Xianwei Zheng, Jie Chang, Yan Fu
doaj +2 more sources
Effect of Recycle Solvent Hydrotreatment on Oil Yield of Direct Coal Liquefaction
Effects of the recycle solvent hydrotreatment on oil yield of direct coal liquefaction were carried out in the 0.18 t/day direct coal liquefaction bench support unit of National Engineering Laboratory for Direct Coal Liquefaction (China).
Shansong Gao, Dexiang Zhang, Kejian Li
doaj +2 more sources
Catalytic Hydrotreatment of Biomass-Derived Fast Pyrolysis Liquids Using Ni and Cu-Based PRICAT Catalysts [PDF]
Biomass-derived fast pyrolysis liquids (PLs) are not directly applicable as transportation fuels due to their high oxygen content and limited storage stability.
Huaizhou Yang (12735843) +4 more
core +3 more sources
Mathematical Modeling of Vacuum Gasoil Hydrotreatment
Results from calculating the thermochemical properties of molecules and the thermodynamic characteristics of vacuum distillate hydrotreatment reactions by quantum-chemical methods are presented.
Belinskaya, N.S. +15 more
core +1 more source
Catalysts comprising copper and/or zinc supported on mesoporous silica-alumina (MSA) with a high Si/Al ratio were prepared by wet impregnation method. This study investigated the preparation, characterization, and catalytic application of the prepared ...
Fahri Swasdika +2 more
doaj +1 more source
Coke formation during the hydrotreatment of bio-oil using NiMo and CoMo catalysts [PDF]
This study aims to investigate the coke formation during the hydrotreatment of bio-oil at low temperature. The catalytic hydrotreatment of bio-oil produced from the pyrolysis of mallee wood was carried out using pre-sulphided NiMo and CoMo catalysts at a
R. Gunawan (23315467) +6 more
core +2 more sources
Evaluation of calcined hydrocalumite-type materials as supports of CoMo and NiMo for thiophene hydrodesulfuration reaction [PDF]
A hydrocalumite-type material (HC) was synthesized by the co-precipitation method, mixing Ca and Al nitrate solutions in a NaOH solution (pH ≅ 11). This solid was characterized by using different physico-chemical techniques such as: Fourier-transform ...
Carlos Felipe Linares +6 more
doaj +1 more source
Hydrotreatment over the Pt/Al2O3 Catalyst of Polyethylene-Derived Pyrolysis Oil and Wax [PDF]
Upgrading fuels is an essential requirement to reach environmental specifications, namely, in removing sour components deemed hazardous nowadays and that cause fouling and disturb operations in downstream industry too.
Hafeez, Sanaa +5 more
core +1 more source
The Use of Supercritical Solvents in Polyaromatic Conversion
Nowadays, the processes aimed at the deep conversion of heavy oil are of great interest. Polyaromatic and sulfur-containing compounds (such as anthracene and dibenzothiophene) are one of the main components of heavy oil fractions which are hard to ...
Antonina Stepacheva +7 more
doaj +1 more source
Desulfurization, denitrogenation and deoxygenation of shale oil [PDF]
Producing valuable transportation fuels from shale oil has long been a goal among the industries concerned, but to meet modern environmental regulations a significant upgrading is required involving removing heteroatoms from it.
Zachariah Steven Baird +2 more
doaj +1 more source

