desulfurization of petroleum

Desulfurization of petroleum coke: a review | Semantic Scholar

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 hydrogen have been proposed for petroleum coke desulfurization. The complexity of the sulfur-carbon bonds in ...

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-products and releases sulfur oxides into the atmosphere.

Desulfurization of Petroleum Coke | Industrial ...

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Chemical desulfurization of petroleum fractions for ultra ...

The desulfurization efficiency for CTP with 0.9wt.% sulfur content reaches 91.1wt.% at a xylene-to-CTP volume ratio of 2.5, a CTP-to-TCA mass ratio of 0.5, an ultrasonic treatment duration of ...

Desulfurization of heavy oil | SpringerLink

Desulfurization is usually discussed in terms of sulfur removal from lighter refinery cuts, such as naphtha, distillate, and light vacuum gas oil fractions. The purpose of the present review paper is to provide an overview of the different conversion strategies that can be employed for desulfurization of heavy oils.

Desulfurization from Gas Oil - Home - Oil&Gas Portal

2. Current Desulfurization Technologies Diesel fuel is a multi-purpose petroleum fuel used in all transportation machines. It is also one of the largest sources of …

Microbial desulfurization of organic sulfur compounds in ...

Several microorganisms were found to desulfurize dibenzothiophene (DBT), a representative of the organic sulfur compounds in petroleum, forming a sulfur-free compound, 2-hydroxybiphenyl. They are promising as biocatalysts in the microbial desulfurization of petroleum because without assimilation of the carbon content, they remove only sulfur ...

An evaluation of desulfurization technologies for sulfur ...

Reactive adsorption desulfurization (RADS) combines the advantages of both the catalytic HDS and adsorption desulfurization. 286–291 In the RADS, sulfur-containing molecules react with a solid adsorbent in the presence of hydrogen. 286 Conoco Phillips Petroleum Co. developed a new S–Zorb process for the production of low-sulfur gasoline by reactive adsorption of sulfur …

Oxidative Desulfurization of Petroleum Distillate ...

Oxidative desulfurization (ODS) is currently enjoying popularity as a highly efficient and conveniently operating alternative or complementary to hydrodesulfurization (HDS) technique for resilient sulfur compounds removal from petroleum distillate fractions used as transportation fuels [1,2].The process is performed at ambient operating conditions in two steps, i.e., …

Recent breakthroughs in deep aerobic ... - ScienceDirect

Recently ultra-deep desulfurization of petroleum refinery products has received a prodigious deal of consideration (Shafiq et al., 2020, Shafiq et al., 2021). The effort is not only for stringent environmental legislation regarding transportation fuels but also for meeting the extreme demand of sulfur-free (<1 ppm) liquid fuels for fuel cell applications and preventing the …

Deep adsorption desulfurization of liquid petroleum gas by ...

The removal of sulfur compounds from liquid petroleum gas (LPG) was investigated using a fixed-bed flow sorption system. Copper-modified bentonite adsorbents significantly enhanced the desulfurization of LPG. Several factors that influence desulfurization, including the copper loading, the baking temperature, the v

Petroleum Desulfurization – Chemical production and ...

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.

Oxidative Desulfurization of Petroleum Distillate ...

Oxidative desulfurization (ODS) is currently enjoying popularity as a highly efficient and conveniently operating alternative or complementary to hydrodesulfurization (HDS) technique for resilient sulfur compounds removal from petroleum distillate fractions used as …

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. The experimental results show that, the grain size in the range of experiment did not …

Alternative Petroleum Technologies' Sulfex ...

Alternative Petroleum Technologies, Inc. ("APT") announced that it has further refined its patent-pending and cost-saving Sulfex™ desulfurization processes for distillate fuels, leading to additional reduction in capital and operational expenditure, as well as lower required footprint.

Sulfur in Petroleum: Petroleum Desulfurization Techniques ...

These techniques include, Adsorptive desulfurization, Bio-desulfurization, Precipitative desulfurization, and Oxidative desulfurization with its sub types like ODS using H2O2- Polyoxometalates (POM), ODS with Ionic liquids, Photo-oxidative desulphurization and Ultrasound Assisted ODS.

Desulfurization of Petroleum Coke during Calcination ...

Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals.

Optimization of operating conditions in desulfurization of ...

Optimization of operating conditions in desulfurization of petroleum coke using induction heating. Kobra Pourabdollah, Corresponding Author. Kobra Pourabdollah. ... The effect of magnetic desulfurization on the specific electrical resistivity of coke breeze was identified as an industrial opportunity to be used in the cathodic protection ...

PETROLEUM DESULFURIZATION - IHS Markit

petroleum desulfurization by shigeyoshi takaoka january 1969 a private report bs the process economics program i stanford research institute i menlo park, california . contents 1 ...

US6231755B1 - Desulfurization of petroleum ... - Google Search

US6231755B1 US09/240,216 US24021699A US6231755B1 US 6231755 B1 US6231755 B1 US 6231755B1 US 24021699 A US24021699 A US 24021699A US 6231755 B1 US6231755 B1 US 6231755B1 Authority

Thermophilic desulfurization of dibenzothiophene and ...

Desulfurization reactions were carried out using DBT and petroleum oils at 45°C followed by different analytical procedures. Results: We report the isolation of a thermophilic bacterium Klebsiella sp. 13T from contaminated soils collected from petroleum refinery.

Flue gas desulfurization technology | In petroleum ...

At present, sulfur dioxide produced in the production process of petroleum refining and chemical enterprises mainly comes from boiler flue gas, flue gas of desulfurization device and catalytic regeneration flue gas, etc., so it is necessary to select targeted emission reduction technology in combination with specific emission path.

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. The process has advantage of easy handling and use of less expensive reagents ...

(PDF) Desulfurization of Petroleum Coke: A Review

Desulphurization of Petroleum Coke: A Review 1. A number of processes ranging from purely physical such as solvent extraction. to thermal or chemical …

PDF Download Free Petroleum Desulfurization | Library E-Books

WELCOME TO THE LIBRARY!!! What are you looking for Book "Petroleum Desulfurization" ?Click "Read Now PDF" / "Download", Get it for FREE, Register 100% Easily. You can read all your books for as long as a month for …

desulfurization of petroleum - victoria2.pl

Desulfurization of petroleum coke - Know More. Jun 21, 1983 0183 32 We claim 1 A process for the desulfurization and devolatilization of petroleum coke comprising the serial steps of a grinding the coke, b introducing .... Prev: ball mill machine in tanzania. Next: various stone production line, whole crusher production line.

Desulfurization of heavy oil - Springer

Desulfurization of heavy oil ... in the petroleum industry to reduce the sulfur content of crude oil. In most cases HDS is performed by co-feeding oil and H 2 to a fixed-bed reactor packed with an appro-priate HDS catalyst.

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