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Reduction and Desulfurization of Petroleum Coke in Ammonia , NH3-reducing desulfurization was demonstrated using a high-sulfur coke calcining desulfurization experiment at 1000 °C, and the sulfur chemical reactions of the three aromaticities of thiophene were studied during desulfurization Results showed that NH3-reducing desulfurization could significantly remove sulfur in the coke, and the best operation temperature was approximately 800 °C, at ....
Deep desulfurization of petroleum feedstocks by selective , Retrospective Theses and Dissertations Iowa State University Capstones, Theses and Dissertations 2003 Deep desulfurization of petroleum feedstocks by...
Deep Oxidative Desulfurization of Dibenzothiophene in , Deep Oxidative Desulfurization of Dibenzothiophene in Simulated Oil and Real Diesel Using Heteropolyanion-Substituted , Since 2006, almost all of the petroleum-based diesel fuel available in North America and Europe is an ultra-low sulfur diesel ULSD with substantially lowered sulfur content of 15 ppm On 1 June 2006, refiners and importers ....
API Gravity, Sulfur Content, and Desulfurization of , In this review, strategies for crude oil desulfurization are evaluated by reviewing desulfurization literature The most important characteristics of crude oil that affect the market price are its sulfur content and gravity Low sulfur content of crude oil is particularly preferred Petroleum ....
An evaluation of desulfurization technologies for sulfur , The research efforts for developing conventional hydrodesulfurization and alternative desulfurization methods such as selective adsorption, biodesulfurization, oxidation / extraction (oxidative desulfurization), etc for removing these refractory sulfur compounds from petroleum products are ,...
AN INTRODUCTION TO PETROLEUM REFINING AND THE , an introduction to petroleum refining and the production of ultra low sulfur gasoline and diesel fuel prepared for: october 24, 2011 petroleum refining and the prod uction of ulsg and ulsd october 24, 2011 page i table of contents 1 ....
US7666297B2 - Oxidative desulfurization and , The present invention is based, in part, on the development of a robust, versatile, non-aqueous, and oil-soluble organic peroxide oxidant that is particularly suited for oxidative desulfurization and denitrogenation of hydrocarbon feedstocks including petroleum fuels, hydrotreated and unhydrotreated VGO, petroleum crude oil, and synthetic crude ....
Oxidative Desulfurization of Fuel Oils - DICP Oxidative Desulfurization of Fuel Oils JIANG Zongxuan, LÜ Hongyinga, ZHANG Yongna, LI Can* , after processing and the American Petroleum Institute (API) gravity as well as the cetane number improved The extraction solvent is also important for the success of this process In the CED process the production of cost effec-...
A Review on Bio- And Adsorptive Desulfurization of Diesel Fuel 2Department of Chemical and Petroleum Engineering, University of Lagos, Akoka, Lagos, Nigeria , of desulfurization of fuel interesting and useful for researches in the field This study is limited to the review of some work that has been done on BDS and ADS BDS is a...
Applying Nanotechnology to the Desulfurization Process in , Applying Nanotechnology to the Desulfurization Process in Petroleum Engineering explores recent developments in the field, including the use of nanomaterials for biodesulfurization and hydrodesulfurization The timely research presented in this volume targets an audience of engineers, researchers, educators as well as students at the ....
Novel Methods for Desulfurization of Petroleum Fractions alternative methods for desulfurization of heavy petroleum fractions Due to the disadvantages of HDS technologies such as costs, safety and green environment, new methods have been developed...
US6210564B1 - Process for desulfurization of petroleum , Sulfur-containing petroleum feeds are desulfurized by contacting the feeds with staged addition of sodium metal at temperatures of at least about 250° C in the presence of excess hydrogen to sodium metal The formation of Na 2 S is substantially suppressed and the formation of NaSH is promoted in the desulfurization process...
Oxidative Desulfurization of kerosene in the presence of , Introduction New environmental concerns necessitate low sulfur requirements in hydrocarbon based distillate fuels so that desulfurization of petroleum-derived fuels becomes an important part of refining process fuels so that desulfurization of petroleum-derived fuels becomes an important part of refining process...
The Refinery Process - AFPM The refining process begins with crude oil Crude oil is unrefined liquid petroleum, which ranges in color from yellow to black, and may have a paraffin, asphalt or mixed base Crude oil is composed of thousands of different chemical compounds called hydrocarbons, all with different boiling points...
Apparatus and method for the desulfurization of petroleum , A method for treating petroleum with anaerobic microorganisms acting as biocatalysts that can remove sulfur atoms from hydrocarbon molecules, under anaerobic conditions, and then convert the sulfur atoms to hydrogen sulfide The microorganisms utilized are from the family known as the "Sulfate ....
Desulfurization of petroleum coke: a review - Industrial , Abstract: The relevance of petroleum coke activity during the plastic stage in cocarbonization with a low-volatile bituminous coal was assessed by establishing differences in lowering of Gieseler maximum fluidity of the blend (bituminous coal and petroleum coke) ....
Oxidative desulfurization offers route to ultralow-sulfur , That in turn is making desulfurization in hydrocarbon processing more important , He earned both BSc and MSc from King Fahd University of Petroleum and Minerals Shahrani is a member of the ....
Investigation of the Desulfurization of Petroleum , Investigation of the Desulfurization of Petroleum Distillates using Novel Ionic Liquids by Ramogohlo Eunice Sefoka A dissertation submitted to the Faculty of Engineering and the Built Environment, University of the Witwatersrand, Johannesburg, in fulfilment of the ,...
Desulfurization of Petroleum Coke - General, Suppliers , Needle coke is a highly crystalline petroleum coke used in the production of electrodes for the steel and Aluminium industries and is particularly valuable because the electrodes must be replaced regularly...
Effect of Feed Quality on Deep Desulfurization of Diesel Effect of Feed Quality on Deep Desulfurization of Diesel A Stanislaus, A Al-Barood and H Qabazard Petroleum Refining Department, Petroleum Research and Studies Center....
(PDF) Desulfurization of Petroleum Coke: A Review A number of processes ranging from purely physical such as solvent extraction to thermal or chemical treatment using different agents including hydrocarbon gases, alkali metal compounds, and ....
API Gravity, Sulfur Content, and Desulfurization of , Petroleum desulfurization is a process that sulfur compounds removes from various streams during the refining process Desulfurization processes include catalytic hydrotreating and other chemical/physical processes such as adsorption...
Design Parameters for a Hydro desulfurization , Design Parameters for a Hydro desulfurization (HDS) Unit for Petroleum Naphtha at 3500 Barrels per Day Debajyoti Bose University of Petroleum & Energy Studies, College of Engineering Studies, PO Bidholi via- Prem Nagar, Dehradun 248007, India , The ease of desulfurization is dependent upon the type of compound Lower-boiling...
Desulfurization of heavy crude oil by microwave irradiation Desulfurization of heavy crude oil by microwave irradiation A Miadonye1, S Snow1, D J G Irwin1, , crude oil desulfurization, microwave irradiation, petroleum , microwave irradiation has been used in the petroleum industry for inspecting coiled tubing ,...
Sulfur removal from hydrotreated petroleum fractions using , Ultrasound-assisted oxidative desulfurization (UAOD) process was applied to diesel oil and petroleum product feedstock containing model sulfur compounds (benzothiophene, dibenzothiophene and dimethyldibenzothiophene)...
PROCESS RESEARCH ON DESULFURIZATION OF PETROLEUM , 101 - i \ i PROCESS RESEARCH ON DESULFURIZATION OF PETROLEUM COKE by R D Ridley Garrett Research and Development Company, Inc La Verne, California 91750...
Testing of desulfurization effect in the Petroleum Industry Testing of desulfurization effect in the Petroleum Industry 1Manny Mathuthu, Roseline Y Olobatoke and Nelisa N Gaxela Centre for Applied Radiation Science and Technology (CARST), North-West University (Mafikeng), Cnr Albert Luthuli and University Drive....
US6210564B1 - Process for desulfurization of petroleum , Sulfur-containing petroleum feeds are desulfurized by contacting the feeds with staged addition of sodium metal at temperatures of at least about 250° C in the presence of excess hydrogen to sodium metal The formation of Na 2 S is substantially suppressed and the formation of NaSH is promoted in the desulfurization process...
DESULPHURIZATION STUDY OF PETROLEUM PRODUCTS , Desulphurization of petroleum fractions by extraction with ionic solutions is an economic, simple and an efficient process The sulfur contents of the kerosene, diesel oil, heavy residue and commercial furnace oil can be lowered upto 60, 71, 68 and 70 % respectively...
Desulfurization of petroleum fractions by oxidation and , The relative desulfurization effectiveness of the three solvents can be more easily visualized by employing the effectiveness factor, K, defined as K = D/(IO0 -- Y ), where D is the percent desulfurization in the raffinate and Y is the percent raffinate yield...