Results 1 to 10 of about 828,028 (150)
Journal of Marine Science and Engineering, 2023 Adsorptive treatment using granulated macroporous Al2O3-SiO2 adsorbent is proposed as a preliminary stage for residue pretreatment in refineries. The study evaluates the adsorptive treatment of atmospheric and visbreaking residue at 485–510 °C and 1 h−1 ...
Renata Iuzmukhametova +5 more
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Energies, 2023 This article presents the prospect of using the process of deep hydrodesulfurization and hydrodearomatization of secondary gas oils using highly active NiMo catalysts to obtain hydrocarbon bases for drilling fluids.
Aleksei Iusovskii +6 more
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Efficient CO2 methanation using nickel nanoparticles supported mesoporous carbon nitride catalysts
Scientific Reports, 2023 The CO2 methanation technique not only gives a solution for mitigating CO2 emissions but can also be used to store and convey low-grade energy. The basic character and large surface area of mesoporous carbon nitride, (MCN), are considered promising ...
Zakaria Refaat +6 more
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Xylene Isomerization using Hierarchically Mesoporous ZSM-5
Bulletin of Chemical Reaction Engineering & Catalysis, 2023 The current study described the synthesis of H-ZSM-5 zeolites with hierarchical micro-meso- porosity (HM-ZSM-5-x) via the soft-templating route, employing organosilane surfactant, 3-[(trimethoxysilyl) propyl]octyldimethyl-ammonium chloride, as the ...
Ahmed El Fadaly +5 more
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HYDROGENOLYSIS OF PALM OIL DERIVED METHYL ESTERS OVER NIOBIUM AND TUNGSTEN BASE CATALYSTS
Studia Universitatis Babes-Bolyai Chemia, 2023 Vegetable oils are widely available in nature and are one of the most important sustainable feedstocks for biofuel production. W/Pd/γ-Al2O3-ZnZSM-5 and Nb/Pd/γ-Al2O3-ZnZSM-5 catalysts where prepared, characterized and tested in the hydrogenolysis ...
Mihai MARINESCU +5 more
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Economical Assessment of Replacing and Refining Methods of Hydraulic Oil of Sugarcane Harvesters in Sugarcane Cultivation Industry of Khuzestan [PDF]
Journal of Agricultural Machinery, 2021 Contamination due to hydraulic fluids exerts deleterious effects after a long time, however this factor is often ignored or its consecutive breakdowns and system failures are considered due to other factors.
H Nematpour Malek Abad +3 more
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Agrointek, 2023 Calophyllum seeds produce high-yielding non-edible oils, so Calophyllum plants have great potential as a source of biofuels. To meet biofuel quality standards, crude Calophyllum oil must first be refined.
Ika Amalia Kartika, Muhamad Ryan Pratama
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Hydrotreating of waste lube oil by rejuvenated spent hydrotreating catalyst
Egyptian Journal of Petroleum, 2014 Large quantities of catalysts are used in the Egyptian refining industry for the purification and upgrading of various petroleum streams. These catalysts gradually lose activity through deactivation with time and the spent catalysts were usually ...
Sadeek A. Sadeek +4 more
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Refining threshold resummations [PDF]
, 2006 We describe some recent refinements of the techniques of threshold resummation, with emphasis on the usefulness of dimensional regularization when applied to nonabelian exponentiation.
Aybat +27 more
core +3 more sources
Highly effective ionic liquids for biodiesel production from waste vegetable oils
Egyptian Journal of Petroleum, 2015 As conventional energy sources deplete, the need for developing alternative energy resources which are environment friendly becomes more imperative. Vegetable oils are attracting increased interest in this purpose.
Fathy A. Yassin +5 more
doaj +1 more source