Results 171 to 180 of about 8,448 (204)

Integration of deasphalting and oxidative desulfurization processes for heavy fuel oil desulfurization

Colloid & Nanoscience Journal
Reza Mokhtar, Samaneh Bandehali
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Oxidative desulfurization: Kinetic modelling

Journal of Hazardous Materials, 2009
Increasing environmental legislations coupled with enhanced production of petroleum products demand, the deployment of novel technologies to remove organic sulfur efficiently. This work represents the kinetic modeling of ODS using H(2)O(2) over tungsten-containing layered double hydroxide (LDH) using the experimental data provided by Hulea et al.
S, Dhir, R, Uppaluri, M K, Purkait
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Oxidative Desulfurization Using Polyoxometalates

Industrial & Engineering Chemistry Research, 2006
Oxidative desulfurization of model compounds (benzothiophene, dibenzothiophene, 4,6-dimethyldibenzothiophene) with hydrogen peroxide/acetic acid using polyoxometalates as catalysts has been studied. The tetrabutylammonium salts of [W6O19]2-, [V(VW11)O40]4-, [PVW11O40]4-, and [PV2Mo10O40]4- were prepared, and their activities were compared with (VO ...
C. Komintarachat, W. Trakarnpruk
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Desulfurization through Photocatalytic Oxidation: A Critical Review

ChemSusChem, 2020
AbstractFuel oil, the most important strategic resource, has been widely used in industrial applications. However, the sulfur‐containing compounds in fuel oil also present humanity with huge environmental issues and health concerns due to the hazardous combustion waste.
Xiaoyu Zhou, Tianyi Wang, Hang Liu, Xiaochun Gao, Chengyin Wang, Guoxiu Wang   +5 more
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Oxidative Desulfurization of Hydrocarbon Fuels

Catalysis Reviews, 2011
New requirements for very low sulfur content (10 ppm) in liquid motor fuels demand novel approaches for ultra-deep desulfurization. For production of near-zero-sulfur diesel and low-sulfur fuel oil, removal of refractory sulfur compounds, like 4,6-dimethyldibenzothiophene and other alkyl-substituted thiophene derivatives, is necessary.
Z. Ismagilov, S. Yashnik, M. Kerzhentsev, V. Parmon, A. Bourane, F. M. Al-Shahrani, A. A. Hajji, O. R. Koseoglu   +7 more
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Oxidative Desulfurization of Coal

1977
Both pyritic and organic sulfur in coal can be removed by a variety of oxidation techniques, including treatment with NO/sub x/, peroxygen compounds, air in the presence of specific organic media, or air and water at elevated temperature and pressure.
SIDNEY FRIEDMAN, ROBERT B. LACOUNT, ROBERT P. WARZINSKI   +2 more
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Oxidative Desulfurization of Hydrocarbon Feedstock

Russian Journal of Applied Chemistry, 2018
Papers published in the past decade on oxidative desulfurization of hydrocarbon raw materials using hydrogen peroxide, oxygen, and ozone as oxidants, and also using ultrasonic treatment and adsorption and extraction methods for separating the oxidized sulfur-containing compounds are summarized and systematized.
A. V. Akopyan, R. A. Fedorov, B. V. Andreev, A. V. Tarakanova, A. V. Anisimov, E. A. Karakhanov   +5 more
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Rare-Earth Oxide Desulfurizers

2017
The IGCC coarse gas derived from coal gasification process usually contains large amounts of sulfur containing components, such as H2S, COS, and CS2, 90% of them are H2S (~0.1 to 1.5 vol.%) which could cause severe corrosion of the pipelines, facilities, and catalysts in the subsequent coal gas conversion process; thus, the sulfur compounds need to be ...
Jiang Wu, Dongjing Liu, Weiguo Zhou, Qizhen Liu, Yaji Huang   +4 more
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Oxidative desulfurization of hydrocarbon feedstock

Chemistry and Technology of Fuels and Oils, 2008
The optimum conditions for oxidative desulfurization of hydrocarbon feedstock in the presence of heterogeneous catalysts based on transition metal oxides were found. The effect of the ratio of oxides in them on the activity of the catalytic systems was demonstrated.
E. V. Boikov, P. A. Vakhrushin, M. V. Vishnetskaya   +2 more
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Novel Oxidative Fuel Desulfurization System

ECS Transactions, 2009
The major drawback to the use of fuel cells as electric generators and auxiliary power units (APUs) by deployed forces is their inability to directly use battlefield fuels. Fuel Cells require a clean, essentially sulfur-free feed stream to prevent poisoning of the anode catalyst. TDA Research, Inc.
Gokhan Alptekin, Ambal Jayaraman, Ron Cook, Margarita Dubovik, Matt Schaefer, John Monroe   +5 more
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