Results 1 to 10 of about 107,185 (264)
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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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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The reduction of FCCU afterburning through process optimization and regenerator revamping [PDF]
Chemical Industry and Chemical Engineering Quarterly, 2022 Operating the fluid catalytic cracking unit (FCCU) in afterburning conditions can increase the regenerator temperatures above the metallurgical design leading to mechanical failures of the cyclones and plenum chamber.
Enache Florin +3 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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Simulation and retrofitting of mass exchange networks in fertilizer plants
Scientific Reports, 2023 This paper presents a simulation technique for optimizing a hydrogen integration network. By applying this technique, the minimum fresh hydrogen consumption can be determined.
Abeer M. Shoaib +3 more
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Optimum rescheduling of water networks for batch processes using a goal programming technique
Scientific Reports, 2023 Batch processes are relevant to a wide variety of industries in chemical processes. In batch operations, water sources are almost not directly reused/recycled in process sinks without considering time constraints and storage tanks. However, storage tanks
Fatma M. Ayyad +3 more
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Oxidative Desulfurization of Sour Gas Condensate and Optimization of Parameters with Response Surface Methodology [PDF]
Journal of Sciences, Islamic Republic of Iran, 2020 Reducing environmental pollution via elimination of sulfur compounds from gas condensate was the aim of this research. Whereby oxidative desulfurization from gas condensate with 3200 ppm initial sulfur was accomplished by hydrogen peroxide (30%wt) as ...
mehdi alibolandi +4 more
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Egyptian Journal of Petroleum, 2017 One of the most significant procedures in oil refineries is naphtha catalytic reforming unit in which high octane gasoline is gained. Normally, in oil refineries, flow instability in the composition of feedstock can affect the product quality. The aim of
Hussien A. Elsayed +4 more
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Egyptian Journal of Petroleum, 2023 Amine processes are the advanced technology available today for the removal of carbon dioxide (CO2) and hydrogen sulfide (H2S) acid gases. Methyldiethanolamine (MDEA) is a well-known tertiary amine used selectively for the removal of carbon dioxide from ...
Walaa Mahmoud Shehata +2 more
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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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