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8168061 |
Process for flexible vacuum gas oil conversion using divided wall fractionation
This invention relates to a process for the selective conversion of vacuum gas oil. The vacuum gas oil is treated in a two step process. The first is thermal conversion and the second is catalytic...
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8163168 |
Process for flexible vacuum gas oil conversion
The present invention relates to a process for the selective conversion of hydrocarbon feed having a Conradson Carbon Residue content of 0 to 6 wt %, based on the hydrocarbon feed. The hydrocarbon...
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8142646 |
Process to produce low sulfur catalytically cracked gasoline without saturation of olefinic compounds
The invention relates to a process for the desulfurization of a gasoline fraction with high recovery of olefins and reduced loss of Research Octane Number (RON). A petroleum fraction is contacted...
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8133302 |
Process for purification of hydrocarbons
The present invention relates to a process for the removal of sulfur contaminants from a hydrocarbon stream comprising: (a) providing a gaseous hydrocarbon stream having sulfur contaminants, but...
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8128811 |
Hydroprocessing using rejuvenated supported hydroprocessing catalysts
Methods for hydroprocessing of hydrocarbon feedstocks, including hydrodesulfurization and hydrodenitrogenation, using rejuvenated supported metallic catalysts are provided. The supported metallic...
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8128810 |
Process for using catalyst with nanometer crystallites in slurry hydrocracking
A process and apparatus is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a catalyst comprising iron oxide and...
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8128809 |
Ring opening process
A single stage process for desulfurization and ring opening of a sulphur containing hydrocarbon feedstock comprising: contacting said feedstock with hydrogen and a catalyst at a pressure of less...
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8123933 |
Process for using iron oxide and alumina catalyst for slurry hydrocracking
A process and apparatus is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a catalyst comprising iron oxide and...
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8097149 |
Catalyst and method for hydrodesulfurization of hydrocarbons
Oil soluble catalysts are used in a process to hydrodesulfurize petroleum feedstock having a high concentration of sulfur-containing compounds and convert the feedstock to a higher value product....
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8083933 |
Process for removing sulfur from a fuel gas stream
A process for removing organic sulfur from a fuel gas stream that further contains light olefins by catalytic hydrodesulfurization to yield a treated fuel gas having an very low concentration of...
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8080426 |
Method and apparatus for controlling hydroprocessing on-line
This unique process is a feed forward control of hydroprocessing by on-line sulfur speciation. An on-line gas analyzer such as (GC) with a sulfur specific detector (AED) would be installed to...
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8070937 |
Systems, methods, and catalysts for producing a crude product
Contact of a crude feed with one or more catalysts produces a total product that includes a crude product. The crude product is a liquid mixture at 25° C. and 0.101 MPa. One or more properties of ...
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8067331 |
Bulk catalyst comprising nickel tungsten metal oxidic particles
The invention relates to a nickel tungsten bulk catalyst, to a process for the manufacture of said catalyst and to the use of said catalyst for the hydrotreatment, in particular the...
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8034231 |
Method for reducing hydrogen sulfide evolution from asphalt
Hydrogen sulfide evolution from asphalt may be reduced or eliminated using an additive to act as a scavenger. Metal borate complexes when used as an additive in asphalt production, are an effective...
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8029662 |
Sorbent compositions and desulfurization method using the same
The disclosed sorbents are for adsorbing sulfur compounds, particularly sulfur-containing aromatic compounds, from liquid hydrocarbon fuels such as gasoline, cracked gasoline, diesel, high sulfur...
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8025793 |
Process for using catalyst with rapid formation of iron sulfide in slurry hydrocracking
A process and apparatus is disclosed for converting heavy hydrocarbon feed into lighter hydrocarbon products. The heavy hydrocarbon feed is slurried with a catalyst comprising iron oxide and...
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8016999 |
Process for removing sulfur from fuels
Provided are processes for removing sulfur-containing compounds from fuel, comprising contacting the fuel in liquid phase with air to oxidize the sulfur-containing compounds, the contacting being...
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8007662 |
Direct feed/effluent heat exchange in fluid catalytic cracking
Fluid catalytic cracking (FCC) processes are described, in which hydroprocessed hydrocarbon streams or other hydrocarbon feed streams having a low coking tendency are subjected to direct heat...
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8002971 |
Desulfurization process and systems utilizing hydrodynamic cavitation
Processes and systems associated with hydrodynamic cavitation-catalyzed oxidation of sulfur-containing substances in a fluid are described. In one example method, carbonaceous fluid is combined...
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7993513 |
Two-step process for desulphurizing olefinic gasolines comprising arsenic
The invention concerns a fixed bed process for capturing arsenic and for desulphurizing a hydrocarbon fraction comprising olefins, sulphur and arsenic, said process comprising a step a) for...
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7988767 |
Hydrocarbon based sulfur solvent systems and methods
Contemplated configurations and methods for elemental sulfur removal from various gases, and especially well acid gases employ a hydrocarbon solvent that dissolves the sulfur to form a rich solvent...
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7985331 |
Method for eliminating the carbonyl sulfide contained in a liquid hydrocarbon stream
The liquid hydrocarbon stream including COS is introduced via line 1 into membrane contactor CM to be placed in contact, through membrane M, with the aqueous alkanolamine solution arriving via line...
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7981275 |
Catalytic composition for hydroprocessing of light and intermediate oil fractions
The present invention relates to the novel catalytic composition having a high specific activity in reactions involving hydroprocessing of light and intermediate petroleum fractions, and preferably...
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7964528 |
Process for the preparation of a shaped bulk catalyst
The invention relates to a process for the preparation of a shaped bulk catalyst comprising metal oxide particles comprising one or more Group VIII metals and two or more Group VIB metals which...
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7959795 |
Deep hydrodesulfurization of hydrocarbon feedstreams
The distillate catalytic hydrodesulfurization of hydrocarbon fuels wherein the optimum hydrogen treat gas rate to maximize desulfurization is determined and introduced into the reaction zone to...
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7959794 |
Hydrodesulphurisation method comprising a stripping section and a vacuum fractionation section
The invention concerns a facility and a process for hydrodesulphurizing gas oil or vacuum distillate comprising at least one hydrodesulphurization reaction section, at least one stripping section...
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7959793 |
Optimum process for selective hydrogenation/hydro-isomerization, aromatic saturation, gasoline, kerosene and diesel/distillate desulfurization (HDS). RHT-hydrogenationSM, RHT-HDSSM
A process for selective hydrogenation of C3/C4/C5/C6/C7 and LCN, hydro-isomerization of olefins, benzene saturation and hydrodesulfurization of Gasoline, Kerosene and Diesel together with aromatic...
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7951290 |
Hydrocarbon conversion process
A process is provided to produce high cetane quality and low or preferably ultra low sulfur diesel and a fluid catalytic cracker (FCC) quality feedstock from a processing unit including at least a...
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7947166 |
Method for desulfurizing hydrocarbon fractions from steam cracking effluents
The present invention relates to a method for treating a feed corresponding to a pyrolysis gasoline, comprising: a) at least one stage of selective hydrogenation of the feed, referred to as HD1,b)...
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7947168 |
Segregation of streams for the production of ammonia
A method for recovering NH3 present in a sour water stream containing odiferous compounds such as pyridines, indoles, ketones and mercaptans produced during an upgrading process for upgrading...
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7947860 |
Dividing wall separation in light olefin hydrocarbon processing
Processing schemes and arrangements for application of a dividing wall separation column in the processing of an effluent resulting from FCC processing modified for increased light olefin...
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7947165 |
Method for extracting and upgrading of heavy and semi-heavy oils and bitumens
Improvements in the selective extraction of relatively low molecular weight oils from coal, coal liquids, oil shales, shale oils, oil sands, heavy and semi-heavy oils, bitumens, and the like are...
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7938955 |
Method for producing super-low sulfur gas oil blending component or super-low sulfur gas oil composition, and super-low sulfur gas oil composition
Provided are a method for producing a super-low sulfur gas oil blending component or a super-low sulfur gas oil composition having a sulfur content of less than 5 mass ppm, under relatively mild...
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7927480 |
Process for desulfurization of cracked naphtha
A process for the desulfurization of a fluid catalytically cracked naphtha wherein the valuable olefins are retained and recombinant mercaptans are prevented from forming, resulting in a low sulfur...
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7923410 |
Regenerable sorbents for removal of sulfur from hydrocarbons and processes for their preparation and use
A sorbent for use in removing sulfur contaminants from hydrocarbon feedstocks is provided, wherein the sorbent contains zinc aluminate in an amount of at least 40 wt % (calculated as ZnAl2O4); free...
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7914669 |
Reactive extraction of sulfur compounds from hydrocarbon streams
A process to substantially reduce the sulfur content of a liquid hydrocarbon stream by contacting the hydrocarbon stream with an aqueous stream containing a mixture of one or more extraction agents...
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7906013 |
Hydrocarbon conversion process
A process is provided to produce an ultra low sulfur diesel with less than about 10 ppm sulfur using a two-phase or liquid-phase continuous reaction zone to convert a diesel boiling range...
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7879200 |
Ultrasonic transducer and horn used in oxidative desulfurization of fossil fuels
Devices and improved methods are provided for operation of ultrasonic transducers and horns.
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7875167 |
Low pressure selective desulfurization of naphthas
A low hydrogen partial pressure process for desulfurizing naphtha in the presence of a hydrodesulfurization catalyst which catalyst is selective for suppressing hydrogenation of olefins and in the...
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7871512 |
Treatment of crude oil fractions, fossil fuels, and products thereof
In crude oil fractions, fossil fuels, and organic liquids in general in which it is desirable to reduce the levels of sulfur-containing and nitrogen-containing components, the process reduces the...
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7871501 |
Laser-based method for removal of sulfur (DMDBT) in hydrocarbon fuels
The laser-based method for removal of sulfur (DMDBT) in hydrocarbon fuels provides for deep desulfurization of hydrogen fuels through the elimination of dimethyldibenzothiophene (DMDBT) from...
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7871511 |
Method to alter coke morphology using either polynuclear aromatic compounds or functionalized lignin
A method for altering coke morphology in a delayed coking process of heavy oil is provided. An effective amount of one or more oil dispersible or oil soluble polynuclear aromatic compounds, or...
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7857965 |
Process for enhancing the value of hydrocarbonaceous natural resources
A process for upgrading hydrocarbonaceous oil containing heteroatom-containing compounds where the hydrocarbonaceous oil is contacted with a solvent system that is a mixture of a major portion of a...
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7851401 |
Tungsten catalysts
The invention concerns solids comprising a single tungsten oxide layer on a zirconia support and/or titanium dioxide support, characterized in that the tungsten exhibits tetrahedral co-ordination,...
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7837862 |
Method for removing sulfur or other contaminant species from hydrocarbon fuels or other fuels
Fuel is desulfurized with a rapid cycle desulfurization-regeneration method and apparatus. Regeneratable mass separating agents, including metals supported on high surface area materials, are used...
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7837861 |
Process for benzene reduction and sulfur removal from FCC naphthas
A process for the removal of sulfur compounds and benzene of a catalytically cracked petroleum naphtha comprising benzene, organic sulfur compounds and olefins, by fractionating the cracked naphtha...
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7820037 |
Desulfurizing agent manufacturing method and hydrocarbon desulfurization method
A desulfurizing agent is produced by mixing a copper compound, a zinc compound and an ammonium compound with an aqueous solution of an alkali substance to prepare or precipitate followed by...
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7820031 |
Method and apparatus for converting and removing organosulfur and other oxidizable compounds from distillate fuels, and compositions obtained thereby
The present disclosure is directed to a multi-stage system and a process utilizing said system with the design of reducing the sulfur-content in a liquid comprising hydrocarbons and organosulfur...
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7811538 |
Mercaptan removal method
The method allows to remove mercaptans contained in a gaseous feed comprising hydrocarbons by carrying out the following stages: a) contacting, in a reactor R1, gaseous feed 1 with a liquid stream...
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7803267 |
Gasoline sulfur reduction in fluid catalytic cracking
The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a...
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