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Desulfurization process - Conoco Phillips Company

Feb 27, 2007 · Thus, there is a need for a process wherein desulfurization of diesel fuel is achieved without significant consumption of hydrogen so as to provide a more economical desulfurization process. Recently, improved desulfurization techniques employing regenerable solid sorbents have been developed to meet the above-mentioned needs.

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US20060018819A1 - Desulfurization process of pastel and ...

The present invention relates to a desulfurization process of pastel and grids of lead accumulators comprising a carbonation in two steps, a granulometric separation between the two steps followed by specific desulfurization of the large part, a desodification obtaining the conversion of the PbSO 4 contained in the pastel into PbCO 3 which can be easily converted into metallic Pb in an oven by ...

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Unity Hydrotreating Catalysts - UOP LLC

Honeywell UOP's hydroprocessing catalyst portfolio is called Unity™ because we deliver complete catalyst, equipment, licensing and technical support solutions for hydrotreating and hydrocracking. The advanced hydrotreating lineup helps you get the most from heavier and opportunity crudes while meeting tight environmental regulations on fuel quality.

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Ultra-deep desulfurization via reactive adsorption on Ni ...

On the contrary, the Ni/ZnO-8 adsorbent has desulfurization process was treated as a pseudo first order reaction, a low adsorption mass transfer zone, demonstrating lower resis- and Eq. (4) was used in order to evaluate the apparent reaction rate tance to mass transfer.

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Talen Energy Colstrip Units 1-2, FGD Upgrade | AECOM ...

AECOM Process Technologies is performing a FGD upgrade project to meet new Mercury Air Toxics Standards (MATS) and regional haze requirements. The project includes computational fluid dynamics (CFD) engineering, new gas flow distribution devices, new tray, new absorption spray piping and pumps, and a new mist eliminator system.

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Hydrodesulfurization - Wikipedia

Hydrodesulfurization is a catalytic chemical process widely used to remove sulfur from natural gas and from refined petroleum products, such as gasoline or petrol, jet fuel, kerosene, diesel fuel, and fuel oils. The purpose of removing the sulfur, and creating products such as ultra-low-sulfur diesel, is to reduce the sulfur dioxide emissions that result from using those fuels in automotive vehicles, aircraft, .

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Adsorptive Desulfurization and Denitrogenation of Refinery ...

M. Toghyani and A. Rahimi, UV-irradiation Effect on Desulfurization of Hydrocarbon Fuels through an Advanced Oxidation-Extraction Process in Presence of Acid Catalyst, Chemical Engineering and Processing - Process Intensification, 10.1016/j.cep.2018.09.024, (2018).

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Adsorption Process of Sulfur Removal from Diesel Oil Using ...

adsorption desulfurization process. Adsorption-desulfurization process of diesel fuel was proposed and examined. Local diesel fuel of 410 ppm sulfur content was treated with commercial activated carbon and carbonized date palm kernel powder at room temperature in batch work. The contact time were examined and chosen.

  • Published in: Journal of Clean Energy Technologies · 2013Authors: Isam A H Al Zubaidy · Fatma Bin Tarsh · Noora Naif Darwish · Balsam Sweidan Sana .Get Price

Hydrodesulfurization - AIChE Engage

Hydrodesulfurization Hydrodesulfurization (HDS) or Hydrotreating is a catalytic chemical process widely used to remove sulfur compounds from refined petroleum products such as gasoline or petrol, jet fuel, diesel fuel, and fuel oils. One purpose for removing the sulfur is to reduce

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KR Hot Metal Desulfurization System | Steel Plantech

Nov 05, 2013 · This process of removing impurities from molten metal in advance before charging it into a converter furnace is called hot metal preliminary processing. The KR Hot Metal Desulfurization System developed by Steel Plantech will achieve high-level desulfurization efficiency as well as contribute to a reduction of operating costs.

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FCC Gasoline Desulfurization

Selective gasoline desulfurization with minimal octane loss. The UOP SelectFining™ Process, a recent addition to UOP's portfolio, reduces the sulfur in FCC gasoline, providing refiners with a simple, flexible solution to meet both current and future gasoline sulfur specifications.

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(PDF) Oxidative catalytic desulphurization of naphtha in a ...

Article (PDF Available) in Petroleum and Coal 59(1) · January 2017 with 406 Reads How we measure 'reads' ... Among the above HDS process, oxidati ve desulfurization (ODS) has much attention as an .

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Experimental Study on Desulfurization Enhanced by Additive ...

To improve desulfurization efficiency of limestone in the wet flue gas desulfurization (WFGD), effect of the hexanedioic acid additive on limestone desulfurization agent were studied. The result shows that this system has advantages of high efficiency, stable, low investment and low circulating cost.

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Desulfurization of steel [SubsTech]

Desulfurization of steel by injection of active agents. In the latter method stirring by argon bubbling from the porous plug mounted in the ladle bottom is used. Chemical reactions between desulfurizing agents and sulfur dissolved in steel may be presented by the following equations: Ca + [S] = (CaS) Mg + [S] =...

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Sulfidation - an overview | ScienceDirect Topics

For desulfurization process, wet desulfurization and adsorption process are two promising ways. Under wet alkaline conditions, hydrogen sulfide could react with hydrated iron oxides, and form Fe 2 S 3, while the reaction rate will decrease with the increase of iron sulfide.

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Desulfurization Process 406 - thermoscreens

Desulfurization Process 406 Dec 14, 2014 · Desulfurization 2 1. What Is Desulfurization? Desulfurization is the process of removing sulfur from something to prevent contamination. Also known as hydrodesulphurization or HDS, this chemical process reduces the sulfur dioxide emissions and converts them to sulfuric acid.

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Flue Gas Desulfurization process at Great Plains Synfuels ...

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Dec 02, 2009 · Spray foam insulation nightmare: What can happen if it's not installed correctly (CBC Marketplace) - Duration: 21:53. CBC News 5,484,684 views

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Sulfex™ - Desulfurization simplified - Alt Petroleum

Stringent 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 Hydro-Desulfurization that uses hydrogen gas, high temperatures (300 to 400 degrees Celsius) and high pressures (30 to 130 atmospheres) to modify [.]

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Effect of SRT on the Denitrifying Dephosphorylation Process

In order to achieve the simultaneous denitrification and dephosphorization from wastewater, the effect of SRT on denitrifying dephosphorylation process was investigated for a long time by using an anaerobic/anoxic sequencing batch reactor (A2SBR). The results showed that when SRT was controlled at 20 days, removal efficiency of PO43--P was kept at high value and it was higher than 90%, and ...

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High-Temperature Desulfurization of Low-Btu Gas

North Carolina 27711 April 1977 HIGH-TEMPERATURE DESULFURIZATION OF LOW-BTU GAS Interagency Energy-Environment Research and Development Program Report ------- RESEARCH REPORTING SERIES Research reports of the Office of Research and Development, U.S. Environmental Protection Agency, have been grouped into seven series.

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(PDF) Oxidative catalytic desulphurization of naphtha in a ...

PDF | Continuous oxidation by oxygen gas of 2-propyl mercaptan and n-butyl mercaptan present in naphtha are implanted in a trickle bed using a locally prepared catalyst. Incipient Wetness ...

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