Results 81 to 90 of about 2,311 (204)

Catalytic Hydrotreatment of Industrial Wood Tar under Supercritical Ethanol Conditions

open access: yes, 2020
Catalytic hydrotreatment under supercritical ethanol conditions is an effective method for improving the performance of wood tar. In this study, the physicochemical properties of industrial wood tar were characterized, and the hydrotreatment process of ...
Danyan Wu (8719530)   +7 more
core   +1 more source

Mathematical Modeling of Coal Liquid Hydrotreatment Kinetics

open access: yes, 1983
This thesis work is an early portion of an effort to gain a comprehensive understanding of coal-derived liquid and other syn-fuel upgrading processes.
Pendergast, Thomas Mason
core  

An innovative method to produce drop-in fuel by alkaline earth-transition metals basic soap decarboxylation

open access: yesMATEC Web of Conferences, 2018
Decarboxylation of metal soap is an emerging method to produce drop-in fuels as an alternative to the expensive hydrotreatment process. In this study, the Mg-Fe basic soap produced from palm kernel fatty acid had been successfully decarboxylated into jet-
Fredrik Neonufa Godlief   +7 more
doaj   +1 more source

Dissulfeto de molibdênio, um material multifuncional e surpreendente Molybdenum disulfide, a multifunctional and remarkable material

open access: yesQuímica Nova, 2002
The aim of this work is to review the chemical and physical properties of layered molybdenum disulfide. The three polymorphic/polytypic modifications of the compound were found, the polytypes 2H (molybdenite) and 3R are semiconductors while the polymorph
Fernando Wypych
doaj   +1 more source

Control of Refining Processes on Mid-Distillates by Near Infrared Spectroscopy

open access: yesOil & Gas Science and Technology, 1999
The purpose of this paper is to demonstrate the accuracy of physicochemical determinations based on equations calculated by multivariate analysis of near infrared spectra which gives access to simultaneous analyses both on-line and off-line.
Zanier-Szydlowski N.   +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

Catalytic Hydrotreatment for the Development of Renewable Transportation Fuels [PDF]

open access: yes, 2017
Biologically-derived feedstocks are a highly desirable source of renewable transportation fuel. They can be grown renewably and can produce fuels similar in composition to conventional fossil fuels. They are also versatile and wide-ranging.
Funkenbusch, LiLu
core   +1 more source

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

Fatty Acid Hydrotreatment Using Hypercrosslinked Polystyrene-Supported Pd Catalysts to Produce Biofuels

open access: yesChemical Engineering Transactions, 2016
Current work is devoted to the search of novel technologies of biofuel production from non-eatable or waste cooking oils and fats. One of such technique is hydrofining which includes the following processes – hydrodeoxygenation, hydrocracking ...
A.A. Stepacheva   +3 more
doaj   +1 more source

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