Results 81 to 90 of about 89,317 (315)

Oxidative desulfurization using graphene and its composites for fuel containing thiophene and its derivatives: An update review

Egyptian Journal of Petroleum, 2018
Oxidative desulfurization, in which the aromatic sulfur containing compounds are oxidized to their analogical sulfones and subsequently extracted, has assured to be one of the exceedingly effective desulfurization processes for resulting ultra-low sulfur
Mohamed A. Betiha, Abdelrahman M. Rabie, Hoda S. Ahmed, Asmaa A. Abdelrahman, Mohamed F. El-Shahat   +4 more
doaj   +1 more source

Crude oil desulfurization [PDF]

, 1982
High sulfur crude oil is desulfurized by a low temperature (25-80 C.) chlorinolysis at ambient pressure in the absence of organic solvent or diluent but in the presence of water (water/oil=0.3) followed by a water and caustic wash to remove sulfur and ...
Ernest, J. B., Hsu, G. C., Kalvinskas, J. J.   +2 more
core   +1 more source

Structural and Electrochemical Evolution of Nickel Sulfides During Alkaline Hydrogen Evolution Reaction

ChemSusChem, EarlyView.
Post‐HER surface restructuring of nickel Sulfides (NixSy) through Sulfur leaching results in the formation of catalytically active Ni3S2, the most HER‐active nickel sulphide phase. The electrochemical activation process enhances hydrogen evolution performance while exhibiting self‐limiting behavior, ensuring long‐term catalyst stability in alkaline ...
Sina Haghverdi Khamene, Noëlle van Dalen, Mariadriana Creatore, Mihalis N. Tsampas   +3 more
wiley   +1 more source

Hydrodesulfurization of chlorinized coal [PDF]

, 1983
A method of desulfurization is described in which high sulfur coals are desulfurized by low temperature chlorinolysis of coal in liquid media, preferably water, followed by hydrodesulfurization at a temperature above 500 C.
Kalvinskas, J. J., Rohatgi, N. K.
core   +1 more source

Thermal and Economic Analysis of Multi-Effect Concentration System by Utilizing Waste Heat of Flue Gas for Magnesium Desulfurization Wastewater [PDF]

, 2020
Mingwei Yan, Yuetao Shi
openalex   +1 more source

Transannular O‐Heterocyclization Reactions of Cyclododeca‐1,5,9‐triene Derivatives: A New Concept for the Preparation of Key Intermediates for Total Syntheses of Annonaceous Acetogenins

Helvetica Chimica Acta, EarlyView.
Four stereogenic centers are formed diastereoselectively in one step from a cyclic (E,E)‐1,5‐diene system using an electrophilic addition reaction. Subsequent ozonolytic cleavage of the intact Z‐double bond, followed by intramolecular nucleophilic substitution, yields an octahydroterfurandione with a threo,cis,threo configuration, an arrangement found ...
Holger Schimanski, André Streiter, Micheline May, Oliver Mimkes, Johannes van Kempen, Constantin Daniliuc, Günter Haufe   +6 more
wiley   +1 more source

Activation of Cyanate Anions by Phosphine Radical Cations Enables Formal Hydrocarbamoylation of Alkenes

Angewandte Chemie, Volume 138, Issue 4, 22 January 2026.
A photocatalytic formal hydrocarbamoylation reaction that employs a cyanate anion as the C1 source and provides N‐acyl iminophosphorane products from activated alkenes is described. Mechanistic investigations suggest generation of a phosphoranyl radical by addition of the cyanate anion to a phosphine radical cation, which enables the delivery of the ...
Petra Vojáčková, Armido Studer
wiley   +2 more sources

Design of Integrated Automation Monitoring and Control System of Flue Gas Desulfurization and Its Applicatio

Gong-kuang zidonghua, 2011
In view of status of low desulphurization efficiency and no automatic control of desulfurization process in original flue gas desulfurization system of Thermal Power Plant of Daizhuang Coal Mine, the paper analyzed technical process of ammonia flue gas ...
LI Guo-feng
doaj  

Study on the Efficiency of Fine Particle Removal in a Single-Tower Dual-Cycle Desulfurization Process Utilizing Heterogeneous Condensation

Separations
This study investigated a new method for controlling the emission of fine particles through heterogeneous condensation. Specifically, the research focuses on the application of single-tower double-cycle desulfurization technology in the wet flue gas ...
Rui Zhang, Zulpher Ahmad Mnipela, Linjun Yang, Xiaodong Si   +3 more
doaj   +1 more source

Fluidized bed desulfurization [PDF]

, 1985
High sulfur content carbonaceous material, such as coal is desulfurized by continuous fluidized suspension in a reactor with chlorine gas, inert dechlorinating gas and hydrogen gas. A source of chlorine gas, a source of inert gas and a source of hydrogen
Kallvinskas, J. J., Ravindram, M.
core   +1 more source