desulfurization of petroleum

PROCESS RESEARCH ON DESULFURIZATION OF PETROLEUM …

PROCESS RESEARCH ON DESULFURIZATION OF PETROLEUM COKE by R. D. Ridley Garrett Research and Development Company., Inc.. La Verne, California 91750 The individual and combined effects of sodium hydroxide, so- dium carbonate, hydrogen, and hydrogen sulfide on desulfurization of petroleum coke have been reported on the literature many times (1-5).

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(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 ...

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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 ...

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Petroleum Coke Desulfurization Specialists | LEHCO, Louis ...

Petroleum Coke Desulfurization – LEHCO Process Engineering – Louis Herrington LEHCO Process Engineering, L.L.C. is a Chemical Process Consultancy for Petroleum Coke Desulfurization. Louis Herrington , P.E., Richard Crisp, and Associates offering Creative Assistance to …

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Deep Desulfurization of Diesel Oil and Crude Oils by a ...

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 Petro-chemicals.

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Desulfurization of Petroleum Coke - General, Suppliers ...

Desulfurization Process results in a very large reduction and its equipment cost required to implement its sulfur removal system versus $500 and $600 million. High sulphur content in petroleum products is a very significant problem and it creates corrosive combustion by …

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Desulfurization of petroleum fractions by ... - DeepDyve

Desulfurization of petroleum fractions by oxidation and solvent extraction Zannikos, F.; Lois, E.; Stournas, S. 1995-03-01 00:00:00 The known ability of several solvents to extract sulfur compounds selectivity from petroleum fractions can be dramatically improved by oxidizing the sulfur from the divalent state (sulfide) to the hexavalent ...

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petroleum coke crushers in india - YouTube

Dec 18, 2018· crusher machine parts for sale india; petroleum coke crushing plant india; India Petroleum Coke, ...metal removal petroleum coke - crusher in Indiametal removal petroleum cokecrusher machine ...

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Desulphurization of Petroleum Waste - IOSR Journals

Desulphurization of Petroleum Waste Ranjini Kumari India Abstract: The present study aimed at the removal of sulphur from the petroleum waste. It is a carbonaceous solid derived from oil refinery coker units or other cracking processes.

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Thermal Desulfurization of Petroleum Coke for Anode Use

Petroleum Coke, Anodes, Shaft Calcining, Sulphur, Desulfurization. 1. Introduction . Thermal desulfurization (TDS) of petroleum coke is a well-studied phenomenon and a recent paper discussed the differences between TDS in a rotary kiln and a shaft calciner [1]. The heat-

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Petroleum coke - Wikipedia

Petroleum coke, abbreviated coke or petcoke, is a final carbon-rich solid material that derives from oil refining, and is one type of the group of fuels referred to as cokes. Petcoke is the coke that, in particular, derives from a final cracking process—a thermo-based chemical engineering process that splits long chain hydrocarbons of ...

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Novel Methods for Desulfurization of Petroleum Fractions

desulfurization. 1 Introduction Presence of sulfur in heavy petroleum fractions leads to emission of SOx which endanger public health. In order to control air pollution because of heavy petroleum fractions combustion, most of the countries released a new regulation requiring the use of low-sulfur petroleum …

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Petroleum Desulfurization – Chemical production and ...

The term deep desulfurization refers to the removal of 90 to nearly of the sulfur contained in the petroleum fraction. This corresponds to an average product sulfur level of 25 ppm in naphthas, 0.1 wt% in gas oils, and 0.3 wt% in residual fuel oils.

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Oxidative Desulfurization of kerosene in the presence of ...

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 processes. fuels so that desulfurization of petroleum-derived fuels becomes an important part of refining processes.

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A Review on Bio- And Adsorptive Desulfurization of Diesel Fuel

A Review on Bio- And Adsorptive Desulfurization of Diesel Fuel Mojirade M. Oloruntoba 1,2*, D. S. Aribike 2 and S. C. U. Nwachukwu 3 1Prototype Engineering Development Institute (PEDI), Ilesa, Nigeria. 2Department of Chemical and Petroleum Engineering, University of Lagos, Akoka, Lagos, Nigeria.

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Desulfurization of Petroleum Coke via Alkali Calcination

Alkali 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.

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US20040007502A1 - Process for desulfurization of petroleum ...

The desulfurization of petroleum distillates can be carried out by cyclic low-temperature adsorption of oxidized sulfur compounds with activated carbon followed by regeneration of the activated carbon using an organic solvent.

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Refining/Desulfurization | Global Advanced Technologies, LLC

The JDP SM system of desulfurization process is a low pressure no heat desulfurization process. It is cost effective because it does not need high pressure vessels nor significant heat or pressure energy to remove the sulfur to the new sulfur limits.

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Desulfurization of petroleum coke: a review - Industrial ...

Abstract: NH 3-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.

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API Gravity, Sulfur Content, and Desulfurization of Crude ...

Desulfurization of crude oil using supercritical water (SCW) is one of the promising nonconventional processes for upgrading oil. SCW is an excellent solvent for high molecular weight organic ...

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Petroleum Coke Desulfurization | Petroleum | Sulfur

PETROLEUM COKE DESULFURIZATION 1. Introduction Petroleum coke is a refinery product. It is produced in ‘coking process’ as a byproduct. Since, the main aim of petroleum refiners is to produce more and more gasoline and middle distillates from crude oils, they pay very little attention to the quality of petroleum coke.

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ADVANCES IN DESULFURIZATION RESEARCH OF LIQUID …

ADVANCES IN DESULFURIZATION RESEARCH OF LIQUID FUEL H. RANG, J. KANN, V. OJA* Institute of Chemical Engineering at Tallinn University of Technology 5 Ehitajate Rd., Tallinn 19086, Estonia The new requirements for sulfur content in liquid fuels demand the use of novel deep desulfurization processes. 4-methyldibenzothiophene, 4,6-

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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).

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Deep desulfurization of petroleum feedstocks by selective ...

regenerated by washing with diethylether, thereby separating the DBT from the petroleum feedstocks. The easy regeneration of these adsorbents makes them attractive for the deep desulfurization of petroleum feedstocks.

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Ultrasound-Assisted Oxidative Desulfurization of Crude Oil

The oxidative desulfurization of crude oil is commonly done by mixing it with an oxidant, a catalyst and a phase-transfer agent (e.g. hydrogen peroxide solution in …

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Desulfurization of heavy oil | SpringerLink

(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.

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Desulfurization of petroleum fractions by oxidation and ...

The known ability of several solvents to extract sulfur compounds selectivity from petroleum fractions can be dramatically improved by oxidizing the sulfur from the divalent state (sulfide) to …

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WO1999038937A1 - Desulfurization of petroleum products ...

The 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.

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Process for desulfurization of petroleum distillates ...

May 20, 2003· The desulfurization of petroleum distillates can be carried out by cyclic low-temperature adsorption of oxidized sulfur compounds with activated carbon followed by regeneration of the activated carbon using an organic solvent.

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Desulfurization of Petroleum Coke by Calcination in ...

that can replace petroleum coke as the starting material for the production of carbon anodes[13]. Therefore, the economic use of high-sulfur petroleum coke in production presents a problem that currently needs to be solved. The ammonia atmosphere-induced desulfurization of coke, which is an effective desulfurization method aside

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