Hydrodesulfurization of fuel oil posted in refining, hydrocarbons, oil, and gas. Handbook of refinery desulfurization feedstock evaluation. Crude oil, the raw material used to produce liquid fuels gasoline, diesel, jet. This document pdf may be used for research, teaching and private study. Deep desulfurization of diesel oil and crude oils by a newly. Sulfur removal from crude oil using supercritical water. Role of hydrogen in removing sulfure liquid fuels praxair. Pdf biodesulfurization of sour crude oil researchgate. Biodesulfurization of petroleum distillatescurrent status.
Extractive oxidative desulfurization of model oilcrude oil using ksf montmorillonitesupported 12tungstophosphoric acid, petroleum science, 2016, pp. Sulfur compounds are the most notorious and undesirable petroleum contaminants and a. Pdf desulphurization study of petroleum products through. This paper describes the progress in technology for desulfurization of crude oil. Pdf oxidative desulfurization of tire pyrolysis oil. Desulfurization of crude oil and oil products by local. The oxidationextraction desulfurization process is an attractive. Essam eldin1 1scientific research deanship, biotechnology and genetic engineering unit, taif university, taif, saudi arabia 2department of microbiology, college of agriculture, cairo university, cairo, egypt corresponding author. Technical and economic analysis of the transition to ultralow. Oxidative desulfurization of tire pyrolysis oil article pdf available in chemical industry and chemical engineering quarterly 2200. Scw is an excellent solvent for high molecular weight organic compounds in crude oils.
Desulfurization is usually discussed in terms of sulfur removal from lighter re. Sulfur is the most abundant element in petroleum after carbon and hydrogen. Desulfurization of crude oil and oil products by local isolated bacterial strains ahmad f. Thus, hydrodesulfurization is a hydrogenolysis reaction. The present technologies for desulfurization of crude oil include caustic washing, dry gas desulfurization, hydrodesulfurization hds, etc. Increasing the consumption of crude oil and its derivatives in the world leads. In this article, a short overview of different desulfurization methods that are employed to remove sulfur from petroleum distillates is provided. Crude oil is one of the most important types of fossil fuel in the world. Currently, bds is not commercially employed for crude oil desulfurization for several reasons, but mainly the logistics of sanitary handling, shipment, storage and use of microorganisms within the production field or refinery environment. Extractive oxidative desulfurization of model oilcrude.
Desulfurization of crude oil using supercritical water scw is one of the promising nonconventional processes for upgrading oil. Water is one of the most commonly used supercritical fluids suitable. The poor quality of crude oil is related to high sulfur content, which translates to lower profit margins and negatively impacts air quality standards. Crude oil desulfurization is mainly to remove active sulfur. Even when crude oil that contained little natural gasoline was used, cracking i. Hydrodesulfurization of fuel oil refining, hydrocarbons. Low sulfur content of crude oil is particularly preferred.
Babich and moulijn 2003, ito and van veen 2006and pawelec et al. This is mainly due to the properties of the heavy oil, such as high sulfur content, high viscosity, high boiling point, and refractory nature of the sulfur compounds. Sulfur removal from hydrotreated petroleum fractions using. Progress in the technology for desulfurization of crude oil. Few of these methods are viable andor efficient for the desulfurization of heavy oil. It is an economically important commodity that is massively used in many industrial activities. Study on ultrasoundassisted oxidative desulfurization for. Desulfurization and demetalization of used engine oil in. Polyaromatic sulfur heterocycles pashs that exist in crude oil requires an efficient reduction method to achieve significant desulfurization levels. Aerobic bds was proposed as an alternative to hydrodesulfurization of crude oil. Pdf desulphurization of jet fuel, diesel oil, heavy residue and commercial furnace oil is carried out through extraction with aqueous solutions. Api gravity and sulfur levels of some important crude oils. H 2 s is the main sulfide that causes harm in the process of exploitation, storage, transportation and processing of crude oil.
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