Results 91 to 100 of about 2,421 (212)

Selective Extraction and Hydrotreatment of Biocrude from Sewage Sludge: Toward High-Yield, Alkane-Rich, Low-Heteroatom Biofuels

open access: yesEnergies
This study investigates the hydrothermal liquefaction (HTL) of sewage sludge across a temperature range of 250–375 °C, combined with selective solvent extraction and catalytic hydrotreatment to produce high-quality biocrude.
Muhammad Usman   +4 more
doaj   +1 more source

Hydrotraitement de gazoles craqués Hydrotreatment of Cracked Gas Oils

open access: yesOil & Gas Science and Technology, 2006
L'hydrotraitement de divers gazoles craqués a fait l'objet d'une étude au moyen de catalyseurs du type NiMo/AI2O3, CoMo/AI2O3 et WNi/AI2O3 pour diverses conditions expérimentales.
Galiasso R.   +4 more
doaj   +1 more source

Effect of chemical composition and quality of heavy yarega oil on selection of appropriate processing technology

open access: yesЗаписки Горного института, 2016
The paper explores physical and chemical properties and composition of heavy oil from Yarega field and its vacuum residue, i.e. the tar. The capillary chromatography and gas chromatography-mass spectrometry were used to identify specific group ...
N. K. Kondrasheva, Anchita Khorkhe
doaj   +1 more source

Hydrotreatment of model compounds with catalysts of NiW/Al2O3 and NiWP/Al2O3 to simulate low temperature coal tar oil

open access: yes, 2017
Eight characteristic model compounds were employed as hydrotreatment feedstocks to simulate low temperature coal tar oil.
Tao Wang   +6 more
core   +1 more source

CaSH - Catalytic Slurry Hydrotreatment

open access: yes
Catalytic Slurry Hydrotreatment (CaSH) was a public co-research project carried out by Åbo Akademi University, University of Oulu and VTT. The project was coordinated by VTT and was funded by Business Finland, Neste, Valmet, Fortum Waste Solutions, Meriaura, ESL Shipping, Savon Voima and BMH technology along with research institutes as part of the ...
Viertiö, Tyko   +13 more
openaire   +3 more sources

Strategy for extending the stability of bio-oil-derived phenolic oligomers by mild hydrotreatment with ionic-liquid-stabilized nanoparticles

open access: yes, 2017
The development of catalytic transformations and processes is essential to utilize bio-oil and lignin derivatives. Metal nanoparticles (M-NPs) stabilized in ionic liquids (ILs) are promising for the catalytic hydrotreatment of bio-oil because the ...
Auer, Manfred   +6 more
core   +1 more source

An innovative two-step catalytic process for the conversion of kraft lignin to biofuels

open access: yesFuel Processing Technology
Valorisation of lignins to biofuels and biobased chemicals is of high interest to stimulate the necessary transition from a fossil-based to a biobased economy.
Balaji Sridharan   +9 more
doaj   +1 more source

Carbon Deposition Studies in the Steam Reforming of Methane Using an Equilibrated Mixture

open access: yesAdsorption Science & Technology, 2001
Nickel catalysts are commonly used in many industrial processes including the hydrogenation, hydrotreatment, hydrogenolysis, methanation and steam reforming of hydrocarbons.
Beata Stasińska   +3 more
doaj   +1 more source

Molecular Characteristics of Catalytic Nitrogen Removal from Coal Tar Pitch over γ-Alumina-Supported NiMo and CoMo Catalysts. [PDF]

open access: yesInt J Mol Sci, 2023
Choi KH   +9 more
europepmc   +1 more source

Hydrotreatment of Fast Pyrolysis Oil Using Heterogeneous Noble-Metal Catalysts

open access: yes, 2009
Fast pyrolysis oils from lignocellulosic biomass are promising second-generation biofuels. Unfortunately, the application range for such oils is limited because of the high acidity (pH~2.5) and the presence of oxygen in a variety of chemical ...
Venderbosch, Robbie H.   +8 more
core   +1 more source

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