Home / high performance desulfurization of diesel technology

high performance desulfurization of diesel technology

Contact Us Electronically!

High performance sorbents for diesel oil desulfurization

Jan 01, 2010· Whilst both petrol and highway diesel sulfur concentration will be decreased down to 10 ppmw by 2009 according to the Directive 2003/17/EC (2003). In the oil refineries, several subsequent stages are needed to obtain fuels with ultra low sulfur concentration ( Song and Ma, 2003b ). For example, a first desulfurization step by hydrodesulfurization (HDS) is required to reach almost 50

Cited by: 68

DEEP DESULFURIZATION OF DIESEL FUELS BY A NOVEL

protection and fuel cell applications, deep desulfurization of a model diesel fuel and a real diesel fuel was conducted by our SARS (selective adsorption for removing sulfur) process using the adsorbent A-2. Effect of temperature on the desulfurization process was examined. Adsorption desulfurization at ambient temperature, 24 h-1 of LHSV over A-2

Cited by: 4

Ultra-deep desulfurization of diesel fuel via selective

Sep 10, 2017· AC WS shows rather better adsorption performance for sulfur removal from real diesel (original and oxidative diesel) as compared with AC. In the adsorption desulfurization of the oxidative diesel, the two-steps modification greatly increases the total sulfur capacity for sulfones from 2.8 to 14.1 mg/g and the average sulfur removal from 18.9 to 70.4% as compared with AC.

Cited by: 16

Catalytic oxidative desulfurization technology of

Sep 20, 2017· The catalytic oxidative desulfurization (Cat-ODS) process has emerged as a new technology to achieve ultra-low sulfur levels in diesel fuels. Various cerium based catalysts impregnated with Mn/Al2 O 3 were developed in this study. The catalytic activity of Mn/Ce/Al2 O 3 was higher than the monometallic catalysts, Ce/Al 2 O 3.

Cited by: 29

Biotechnology of desulfurization of diesel: prospects and

Nov 05, 2004· Up to10%cash back· Hydrodesulfurization (HDS), a conventional technique used specifically to remove sulfur from diesel, operates at a temperature of 200–450°C and employs a pressure of 150–200 psig in the presence of an inorganic catalyst (Orr 1978; Speight 1980 ), depending upon the level of desulfurization required (Speight 1981 ).

Cited by: 220

Desulfurization of diesel fuel by one-pot method with

Real diesel desulfurization. Straight-run diesel from the Chinese Academy of Petroleum Sciences was performed to real diesel desulfurization. The initial sulfur concentration determined by a sulfur and nitrogen analyzer was to be 10911 ppm and diluted it with n-hexadecane to 25 times (535 ppm) and 50 times (298 ppm).

Biotechnology of desulfurization of diesel: prospects and

Nov 05, 2004· Hydrodesulfurization (HDS), a conventional technique used specifically to remove sulfur from diesel, operates at a temperature of 200–450°C and employs a pressure of 150–200 psig in the presence of an inorganic catalyst (Orr 1978; Speight 1980 ), depending upon the level of desulfurization required (Speight 1981 ).

Deep Desulfurization of Diesel Fuels by a Novel Integrated

compounds in commercial diesel fuel; 2) conducting the adsorption desulfurization of model fuels and real diesel fuels by the selective-adsorption-for-removing-sulfur (PSU-SARS) process over various developed adsorbents, and examining the adsorptive desulfurization performance of various adsorbents; 3) developing and evaluating the

Diesel Desulfurization Filter - Energy

Diesel Desulfurization Filter Author: D. Bause et al. Subject: 2005 Diesel Engine Emissions Reduction (DEER) Conference Presentations and Posters Keywords: diesel emissions reduction, diesel emissions, particulate matter, diesel engines, nitrogen oxides Created Date: 9/13/2005 4:03:09 PM

Desulfurization of Diesel Fuels via π-Complexation with

Jan 21, 2004· Desulfurization of a commercial diesel fuel (297.2 ppmw S) by different nickel(II)-exchanged faujasite zeolites was studied in a fixed-bed adsorber operated at ambient temperature and pressure. The zeolites were prepared by both liquid-phase (LP) and solid-state (SS) ion-exchange (IE) methods. In general, the adsorbents tested for total sulfur adsorption capacity at breakthrough

An evaluation of desulfurization technologies for sulfur

The current industrial method for removal of sulfur from fuels is hydrodesulfurization (HDS), which is a high temperature, high pressure catalytic process. This makes HDS a very costly option for deep desulfurization. Moreover, HDS is not effective for removing heterocyclic sulfur compounds such as dibenzothiophene (DBT) and its derivatives, especially 4,6-dimethyldibenzothiophene (4,6-DMDBT).

Conventional and Upcoming Sulfur‐Cleaning Technologies for

Mar 24, 2016· This review presents information about the workability, efficiency, and mechanisms of the current desulfurization methodologies for diesel as a common transportation fuel. More attention is given to adsorptive desulfurization as a promising technology.

Ultrasonic Marine Fuel Desulphurization - Hielscher

Desulfurization efficiency was about 93.2% when high-performance ultrasound is applied. Shayegan et al. (2013): Sulfur removal of gas oil using ultrasound-assisted catalytic oxidative process and study of its optimum conditions. Korean Journal of Chemical Engineering 30(9), September 2013. 1751-1759.

Nanochem GuardBed for Sulfur Removal MATHESON

Olefins. Refinery off-gases. Biogas. Propane. Heavy fractions. Typically, sub-ppm performance is achieved; and in many applications, sub-0.1ppm sulfur can be expected routinely. Compare Nanochem ® GuardBed ™ performance with that of conventional desulfurization materials which is typically limited to H2S removal down to approximately 1-5 ppm.

A comparative study on catalytic oxidative desulfurization

A considerable high surface area and more porosity of silica gel for Mo impregnation and easier removing the reaction products, provided a superior catalytic performance in this ODS system. Keywords: Oxidative desulfurization, Diesel, Solid catalyst, Thiophenic compound, Mo oxide, Al 2O 3, SiO 2. Introduction .

Ultra-deep desulfurization of FCC gasoline: Reactive

Ultra-deep desulfurization technologies for FCC gasoline. The challenge for ultra-deep desulfurization of gasoline is to efficiently remove thiophenic compounds of FCC naphtha while simultaneously preventing a loss in octane number and a high yield of naphtha. Several commercially running technologies could be obtained, as shown in TABLE 1.

Desulfurization of Model Oil by Selective Adsorption over

Jun 12, 2017· The as-prepared BN microfibers exhibit very high adsorption capacity for DBT (86 mg S g−1 according to the Langmuir isotherm model), showing excellent adsorptive desulfurization performance.

High Tide and Halo Announce Closing of Sale of KushBar

High Performance: On May 23, 2021, the desulfurization equipment began to arrive at its facility in Aldersyde. Cielo is a publicly traded company with a proprietary technology that transforms landfill garbage into renewable high-grade diesel, kerosene

China, People’s Republic Hydrogen Knowledge Centre

Hydrogenation technology is an indispensable chemical upgrading process for converting the heavy feedstock into favorable lighter products. In this work a new kinetic model containing four hydrocarbon lumps (feedstock diesel gasoline cracking gas) was developed to describe the coal tar hydrogenation process the Levenberg–Marquardt’s optimization algorithm was used to determine the kinetic

Desulfurization Effects on a Light-Duty Diesel Vehicle NOx

NREL/CP-540-39009. Posted with permission. Presented at the SAE 2006 World Congress, April 3-6, 2006, Detroit, Michigan . 2006-01-0423 . Desulfurization Effects on a Light-Duty Diesel Vehicle NO

Desulfurization performance of a large‐scale marine diesel

Jan 26, 2021· In the adaptability of a proposed cascade‐scrubbing technology used for ocean ships, ASPEN PLUS desulfurization simulations for a packing scrubber of a 10 000‐kW large‐scale marine diesel engine were performed to uncover effects of the scrubber's configurational parameters (i.e., scrubber diameter, spherical packing diameter, and packing thickness) and meanwhile confirm the

Diesel Desulfurization Filter - Energy

Diesel Desulfurization Filter Author: D. Bause et al. Subject: 2005 Diesel Engine Emissions Reduction (DEER) Conference Presentations and Posters Keywords: diesel emissions reduction, diesel emissions, particulate matter, diesel engines, nitrogen oxides Created Date: 9/13/2005 4:03:09 PM

Diesel Fuel Desulfurization via Adsorption with the Aid of

The present work is an experimental investigation of commercial diesel fuel liquid desulfurization via adsorption under mild conditions. The sorbent employed was a commercial high surface area activated carbon (AC), and studies involved both laboratory- and pilot-scale experiments performed in dedicated fixed-bed setups. Under laboratory-scale conditions, maximum sulfur removal measured

Desulfurization of Diesel Fuels via π-Complexation with

Jan 21, 2004· Desulfurization of Gasoline using Molecularly Imprinted Chitosan as Selective Adsorbents. Applied Biochemistry and Biotechnology 2010, 160 (2) , 593-603. DOI: 10.1007/s12010-008-8441-7. S.P. Hernandez, D. Fino, N. Russo. High performance sorbents for diesel oil desulfurization.

Deep Oxidative Desulfurization of Diesel Fuels by Acidic

Ionic liquids (ILs), a new class of green solvents, have recently been undergoing intensive research on the removal of thiophenic sulfur species (e.g., dibenzothiophene) from fuels because of the limitation of the traditional hydrodesulfurization method in removing these species. In this work, deep oxidative desulfurization of diesel fuels by six functional acidic ILs are studied, in which ILs

New Sorbents for Desulfurization of Diesel Fuels via π

Dec 30, 2003· Desulfurization of a commercial diesel fuel by different layered adsorbents and regeneration of the latter were studied in a fixed-bed unit operated at ambient temperature and pressure. In general, a layered bed consisting of 12 wt % activated carbon, 22 wt % of activated alumina (Selexsorb CDX), followed by Cu(I)−Y, activated carbon/Selexsorb CDX/Cu(I)−Y, is capable of producing 41 cm3

Desulfurization of dibenzothiophene (DBT) by a novel

Desulfurization of dibenzothiophene (DBT) by a novel strain Lysinibacillus sphaericus DMT-7 isolated from diesel contaminated soil J Environ Sci (China) . 2011;23(6):975-82. doi: 10.1016/s1001-0742(10)60504-9.

A comparative study on catalytic oxidative desulfurization

A considerable high surface area and more porosity of silica gel for Mo impregnation and easier removing the reaction products, provided a superior catalytic performance in this ODS system. Keywords: Oxidative desulfurization, Diesel, Solid catalyst, Thiophenic compound, Mo oxide, Al 2O 3, SiO 2. Introduction .

Clean Fuels Lummus Technology

Residue desulfurization is a high-pressure catalytic hydrotreating process. Through Chevron Lummus Global (CLG) , a joint venture between Lummus Technology and Chevron U.S.A., Inc., we offer a family of residuum conversion technologies and catalysts that help refiners optimize product quality, product yield, run-length, capital investment and

Desulfurization of JP-8 Jet Fuel by Selective Adsorption

Apr 12, 2005· This work focuses on optimizing the performance of a Ni/SiO2−Al2O3 adsorbent for the adsorptive desulfurization of jet fuel, including JP-8 jet fuel containing around 736 ppmw sulfur and a light JP-8 jet fuel having around 380 ppmw sulfur, obtained by fractionation for micro solid oxide fuel cell applications. The fractionated light JP-8 jet fuel had only traces of heavier alkylated

Improving Ultra-Deep Desulfurization Efficiency by

Dec 31, 2015· Up to10%cash back· Diesel HDS reaction is affected by various factors, for instance sulfide type, reaction conditions, and feed properties (such as aromatics and organic nitrogen content). Thus, the reaction performance of catalysts appears complicated, causing some complexity to the application of diesel ultra-deep desulfurization catalysts [8–17]. Therefore

Desulfurization of diesel - SlideShare

Aug 30, 2017· • High-pressure, high-temperature catalytic process that removes various sulfur compounds in liquid fuels. • In a typical catalytic desulfurization unit, the feedstock is deareated and mixed with hydrogen, preheated in a fixed heater (600 - 800º F) and then charged under pressure (up to 1000 psi) through a fixed bed catalytic reactor.

Ultra-deep desulfurization of FCC gasoline: Reactive

Ultra-deep desulfurization technologies for FCC gasoline. The challenge for ultra-deep desulfurization of gasoline is to efficiently remove thiophenic compounds of FCC naphtha while simultaneously preventing a loss in octane number and a high yield of naphtha. Several commercially running technologies could be obtained, as shown in TABLE 1.

Maybe You Will Be Interested