Sulfur in Petroleum: Petroleum Desulfurization Techniques: /: This chapter describes the occurrence of organosulfur compounds in petroleum, their detrimental effects and various techniques for removal of these compounds.
Get Pricearticle{osti_119041, title = {Apparatus and method for the desulfurization of petroleum by bacteria}, author = {Lizama, and Scott, and Scott, }, abstractNote = {A method is described for treating petroleum with anaerobic microorganisms acting as biocatalysts that can remove sulfur atoms from hydrocarbon molecules, under anaerobic ...
Get PriceDesulfurization of petroleum by Maurice William Ranney, 1975, Noyes Data Corp. edition, in English
Get PriceAlternative Petroleum Technology (APT) is an environmental technology company dedicated to comprehensive costeffective solutions to environmental problems. We offer technologies and expertise to help operators of compressionignition engines and industrial boilers meet increasingly stringent emissions requirements.
Get Pricedesulfurization of crude oil is urgently needed so that the sulfur contents in petroleum product could be reduced from the root. This paper describes the progress in technology for desulfurization ...
Get PriceAlkali desulfurization of petroleum coke is an important technology, can improve the performance of the final products of petroleum coke, while reducing air pollution. This paper studied the conditions for desulfurization of calcined petroleum coke using NaOH solid powders. The experimental results show that, the grain size in the range of experiment did not seem to influence desulphurization.
Get PriceDesulfurization of Petroleum Coke: A Review. ... and hydrogen have been proposed for petroleum coke desulfurization. The complexity of the sulfurcarbon bonds in coke, together with the extremely ...
Get PriceBACTERIOLOGICAL DESULFURIZATION OF PETROLEUM Filed April 6, 1956 CONTACTING 4 SE TTLER COLUMN FIG.'I . FRACTIONATOR SE PARATOR CONTACTING VESSEL FIG2 lsidor Kirshenbaum Inventor By M (2M Attorney United States Patent BACTERIOLOGICAL DESULFURIZATION OF PETROLEUM Isidor Kirshenbaum, Union, , assignor to Esso Research …
Get PriceApr 12, 2005· Deep desulfurization of hydrodesulfurized diesel oil. The feasibility of diesel oil desulfurization was investigated using hydrodesulfurization (HDS)treated diesel oil (total organic sulfur, 259 ppm) obtained from the Institute of Fushun Petroleum and Petrochemicals.
Get PriceApplying Nanotechnology to the Desulfurization Process in Petroleum Engineering Details. As regulations push the fossil fuel industry toward increasing standards of ecofriendliness and environmental sustainability, desulfurization (the removal of SO2 from industrial waste by products) presents a new and unique challenge that current technology ...
Get PriceBibliography Includes bibliographical references and index. Contents. Sulfur in petroleum: petroleum desulfurization techniques / Waqas Ahmad; Sulfur and nitrogen chemical speciation in crude oils and related carbonaceous materials / Sudipa MitraKirtley, Oliver C. Mullins, Andrew E. Pomerantz
Get PricePublished January 1969. This report is concerned with technology and costs for the desulfurization of petroleum stocks. Although the hydrodesulfurization of light and middle distillates such as gasoline, naphtha, kerosene, and gas oil is also evaluated, the emphasis here is on sulfur removal from the resid ual fuel oil where there is a growing concern today because of air pollution.
Get PriceF.., and desulfurization of the coke does not occur at these temperatures. Although small amounts of petroleum coke are calcined in electric calciners in the temperature range of to F., electric calcination is used principally for anthracite where desulfurization is …
Get Pricearticle{osti_870117, title = {Apparatus and method for the desulfurization of petroleum by bacteria}, author = {Lizama, Hector M. and Scott, Timothy C. and Scott, Charles D.}, abstractNote = {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 ...
Get PriceThe sulfur present in many different combinations at petroleum coke and it will be removed through desulfurization. The sulfur compounds present in the coke may be of organic or inorganic nature .
Get PricePetroleum refining Petroleum refining Petroleum products and their uses: Gaseous refinery products include hydrogen, fuel gas, ethane, propane, and butane. Most of the hydrogen is consumed in refinery desulfurization facilities, which remove hydrogen sulfide from the gas stream and then separate that compound into elemental hydrogen and sulfur; small quantities of the hydrogen may be ...
Get PricePetroleum coke, abbreviated coke or petcoke, is a final carbonrich solid material that derives from oil refining, and is one type of the group of fuels referred to as is the coke that, in particular, derives from a final cracking process—a thermobased chemical engineering process that splits long chain hydrocarbons of petroleum into shorter chains—that takes place in units ...
Get PriceThe 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 …
Get PriceDesulphurization 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.
Get PriceNew environmental concerns necessitate low sulfur requirements in hydrocarbon based distillate fuels so that desulfurization of petroleumderived fuels becomes an important part of refining processes. fuels so that desulfurization of petroleumderived fuels becomes an important part of refining processes.
Get PricePetroleum,” Institut fran̨cais du pétrole publications, vol. 1, 1995. Isam Al Zubaidy earned BSc in Chemical Engineering from Baghdad University/ Iraq in 1976 and MSc in Chemical and Petroleum Processing Engineering from Herriot Watt University, ScotlandUK 1981 with thesis titled “Kinetic studies of the Desulfurization of thiophene in the
Get PriceJan 12, 2018· "With facilities from the Department of Chemical and Petroleum Engineering, along with the support of partners involved in the HFO business, we have the ability to optimize our process in a very short period of time," said Dr. Pedro Pereira, who leads the Engineering team. Desulfurization
Get PriceDesulfurization of fuels is commonly achieved by catalytic hydrodesulfurization (HDS), in which the organic sulfur species are converted to H 2 S and the corresponding hydrocarbon, as in the following reaction: RSH + H 2 → RH + H 2 S. Here R represents an alkyl group, such as methyl (CH 3 –), or ethyl (C 2 H 5 –). Figure shows the type and relative reactivity of different sulfur ...
Get PriceThe invention discloses a process for the desulfurization of petroleum products by contacting with acidic organic polymers. Preferably, highly fluorinated and, most preferably, perfluorinated acidic polymers are used.
Get PriceStringent EPA and global environmental regulations are demanding dramatic reductions in sulfur levels in fossil fuels to less than 15 parts per million (PPM) from several hundred PPM. Currently, desulfurization occurs in a process called HydroDesulfurization that uses hydrogen gas, high temperatures (300 to 400 degrees Celsius) and high pressures (30 to 130 atmospheres) to modify […]
Get PriceFUEL PROCESSING TECHNOLOGY ELSEVIER Fuel Processing Technology 42 (1995) 3545 Desulfurization of petroleum fractions by oxidation and solvent extraction F. Zannikos, E. Lois, S. Stournas* Laboratory of Fuel Technology and Lubricants, National Technical University of Athens, Zografou Campus, 157 O0 Zografou, Athens, Greece Received 21 March 1994; accepted in revised …
Get PriceReductive Gaseous (H2/NH3) Desulfurization and Gasification of HighSulfur Petroleum Coke via Reactive Force Field Molecular Dynamics Simulations. Energy Fuels 2019, Article ASAP. Tao Liu, Mujun Long, Wenxiang Jiang, Dengfu Chen, Sheng Yu, …
Get PriceEffective parameters on desulfurization of petroleum coke, other than temperature, include alkali to feed (petroleum coke) mass ratio, time and mesh size in the ranges of –, 1–3 h and 200–600 µm, respectively. In this work, petroleum coke desulfurization …
Get PriceEfficient metalfree carbonbased catalysts are of particular interest due to their unique electronic structure and compositional variability. Herein, petroleumcokebased N,Odoped porous graphene (PG) was prepared as a preferred alternative to metal catalysts for catalytic oxidative reaction. Such a high specific surface area and heteroatomrich structure promote high exposure of active ...
Get Price(a) Direct removal of sulfur compounds from ionic liquids by distillation. The boiling point of heavier organosulfur compounds, such as alkylated dibenzothiophenes, are high (>340 °C) and it would require vacuum distillation. Thus, this method is applicable only to desulfurization of lighter petroleum cuts.
Get PriceConsidering stringent sulfur standards, new strategies and design modifications are being evaluated for desulfurization of these gas oils with minimum loss of oil during the desulfurization process. In this review, developments in solvent extractive desulfurization of gas oil have been discussed from both fundamental and applied point of views.
Get PriceThe oxidative desulfurization of crude petroleum from the Maiorskoe field (Orenburg oblast, Russia) with hydrogen peroxide in the presence of organic and inorganic acids has been studied. A procedure...
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