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4011results about "Hydrocarbon oil cracking" patented technology
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Production of synthetic lubricant and lubricant base stock without dewaxing
InactiveUS6103099AThermal non-catalytic crackingRefining to change hydrocarbon structural skeletonAutomatic transmissionBoiling point
A lubricating base stock useful for forming lubricants such as a multigrade automotive oils, automatic transmission oils, greases and the like is prepared by hydroisomerizing a waxy hydrocarbon feed fraction having an initial boiling point in the 650-750 DEG F. range and an end point of at least 1050 DEG F., synthesized by a slurry Fischer-Tropsch hydrocarbon synthesis process. The hydroisomerization forms a hydroisomerate containing the desired base stock which is recovered, without dewaxing the hydroisomerate. The hydroisomerization is conducted at conditions effective to convert at least 67 wt. % of the 650-750 DEG F.+ waxy feed hydrocarbons to lower boiling hydrocarbons. When combined with a standard lubricant additive package, these base stocks have been formed into multigrade automotive crankcase oils, transmission oils and hydraulic oils meeting the specifications for these oils.
Owner:EXXON RES & ENG CO
Catalytic multi-stage process for hydroconversion and refining hydrocarbon feeds
InactiveUS6190542B1Improve distillation yieldQuality improvementCatalyst activation/preparationLiquid hydrocarbon mixture productionLiquid productDistillates petroleum
A multi-stage catalytic hydrogenation and hydroconversion process for heavy hydrocarbon feed materials such as coal, heavy petroleum fractions, and plastic waste materials. In the process, the feedstock is reacted in a first-stage, back-mixed catalytic reactor with a highly dispersed iron-based catalyst having a powder, gel or liquid form. The reactor effluent is pressure-reduced, vapors and light distillate fractions are removed overhead, and the heavier liquid fraction is fed to a second stage back-mixed catalytic reactor. The first and second stage catalytic reactors are operated at 700-850.degree. F. temperature, 1000-3500 psig hydrogen partial pressure and 20-80 lb. / hr per ft.sup.3 reactor space velocity. The vapor and light distillates liquid fractions removed from both the first and second stage reactor effluent streams are combined and passed to an in-line, fixed-bed catalytic hydrotreater for heteroatom removal and for producing high quality naphtha and mid-distillate or a full-range distillate product. The remaining separator bottoms liquid fractions are distilled at successive atmospheric and vacuum pressures, low and intermediate-boiling hydrocarbon liquid products are withdrawn, and heavier distillate fractions are recycled and further upgraded to provide additional low-boiling hydrocarbon liquid products. This catalytic multistage hydrogenation process provides improved flexibility for hydroprocessing the various carbonaceous feedstocks and adjusting to desired product structures and for improved economy of operations.
Owner:HEADWATERS CTL
Method for producing a crude product with reduced tan
InactiveUS20070000810A1Catalytic crackingRefining with metal saltsOrganic chemistryContact condition
Contacting a crude feed with one or more catalysts to produce a total product that includes the crude product is described. The crude feed has a TAN of at least 1. At least one of the catalysts includes one or more metals from Columns 6-10 of the Periodic Table and / or one or more compounds of one or more metals from Columns 6-10 of the Periodic Table. Contacting conditions are controlled contacting such that the crude product has a TAN from about 0.001 to about 0.5.
Owner:SHELL OIL CO
Method for gas-solid contacting in a bubbling fluidized bed reactor
InactiveUS6894183B2Eliminate and drastically reduce bypassEffective contactThermal non-catalytic crackingCatalytic crackingForming gasSolid particle
Owner:COUNCIL OF SCI & IND RES
Process to obtain N-paraffins from vegetable oil
The process described by this invention involves the hydroconversion of vegetable oils appropriately selected for the production of N-paraffins, through hydrotreatment of a stream of vegetable hydrocarbon oils in and / or natural fats that may be used in a pure state or in a mixture with mineral hydrocarbon oil. This mixture flow is submitted to the process of hydrotreatment, obtaining as a result, a product flow with an elevated content of N-paraffins in the range of C10-C-13. This process provides an alternative to the usual process that uses a mineral hydrocarbon oil load (petroleum kerosene of paraffin base) to produce C10-C13 N-paraffins that are raw materials for the production of detergents (LAB), being, therefore, especially advantageous for use in situations where kerosene is a limiting factor for producing N-paraffins, resulting in a product of good quality with a reasonable gain in the production of N-paraffins.
Owner:PETROLEO BRASILEIRO SA (PETROBRAS)
Two stage process for hydrodesulfurizing distillates using bulk multimetallic catalyst
InactiveUS6929738B1Preparation by oxo-reaction and reductionOrganic compound preparationLiquid productHydrogen
A two stage hydrodesulfurizing process for producing low sulfur distillates. A distillate boiling range feedstock containing in excess of about 3,000 wppm sulfur is hydrodesulfurized in a first hydrodesulfurizing stage containing one or more reaction zones in the presence of hydrogen and a hydrodesulfurizing catalyst. The liquid product stream thereof is passed to a first separation stage wherein a vapor phase product stream and a liquid product stream are produced. The liquid product stream, which has a substantially lower sulfur and nitrogen content then the original feedstream is passed to a second hydrodesulfurizing stage also containing one or more reaction zones where it is reacted in the presence of hydrogen and a second hydrodesulfurizing catalyst at hydrodesulfurizing conditions. The catalyst in any one or more reaction zones is a bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least two Group VIB metals.
Owner:EXXON RES & ENG CO
Process for upgrading naphtha
A method for upgrading a naphtha feed to a naphtha product containing less than about 10 wppm of nitrogen and less than about 15 wppm sulfur, the method comprising contacting said naphtha feed with hydrogen in the presence of a bulk multimetallic catalyst under effective reactor conditions to hydrodesulfurize and hydrodenitrogenize said naphtha feed to produce said naphtha product, wherein said bulk multimetallic catalyst comprises at least one Group VIII non-noble metal and at least two Group VIB metals.
Owner:EXXON RES & ENG CO
Process for reducing haze point in bright stock
InactiveUS6051129ASuperior lube oil yieldHigh yieldMolecular sieve catalystsRefining to change hydrocarbon structural skeletonHydrogenHaze
Owner:CHEVROU USA INC
Process for Co-Producing Jet Fuel and LPG from Renewable Sources
ActiveUS20080244962A1Improve cold flowHydrocarbon by hydrogenationLiquid hydrocarbon mixture productionEngineeringRenewable resource
The present invention generally relates to a method for producing an isoparaffinic product useful as jet fuel from a renewable feedstock. The method may also include co-producing a jet fuel and a liquefied petroleum gas (LPG) fraction from a renewable feedstock. The method includes hydrotreating the renewable feedstock to produce a hydrotreating unit heavy fraction that includes n-paraffins and hydroisomerizing the hydrotreating unit heavy fraction to produce a hydroizomerizing unit heavy fraction that includes isoparaffins. The method also includes recycling the hydroisomerizing unit heavy fraction through the hydroisomerization unit to produce an isoparaffinic product that may be fractionated into a jet fuel and an LPG fraction. The present invention also relates to a jet fuel produced from a renewable feedstock having improved cold flow properties.
Owner:REG SYNTHETIC FUELS LLC
Systems, methods, and catalysts for producing a crude product
InactiveUS20060231465A1Reduce contentRefining with metalsOrganic-compounds/hydrides/coordination-complexes catalystsChemistryCrude oil
Owner:SHELL OIL CO
Process for conversion of biomass to fuel
ActiveUS7816570B2Meet growth needsEasy to processFatty acid esterificationRefining to change hydrocarbon structural skeletonAlkaneChain length
Owner:NORTH CAROLINA STATE UNIV
Device for injecting and mixing fluids in a downward-flow reactor
The catalytic reactor with downward flow comprises a chamber (1) containing at least two solid catalyst beds (2; 11) separated by an intermediate zone comprising an essentially horizontal collecting plate (5) communicating with a vertical collecting pipe (7) for receiving fluids collected by the collecting plate, with a means for injecting a quenching fluid (8) emptying into the collecting pipe. An annular mixing chamber (9) is located below the collecting plate (5). A predistribution plate (11) is arranged below the chamber (9).The injection means (8) comprises a tubular portion that empties into the collecting pipe (7) in such a way as to inject quenching fluid in a direction forming an angle θ between 45° and 135° with the direction D from the axis of the mixing chamber measured at its input end.
Owner:INST FR DU PETROLE
Hydropyrolysis of biomass for producing high quality liquid fuels
A self-sustaining process for producing high quality liquid fuels from biomass in which the biomass is hydropyrolyzed in a reactor vessel containing molecular hydrogen and a deoxygenating catalyst, producing a partially deoxygenated hydropyrolysis liquid, which is hydrogenated using a hydroconversion catalyst, producing a substantially fully deoxygenated hydrocarbon liquid and a gaseous mixture comprising CO and light hydrocarbon gases (C1-C3). The gaseous mixture is reformed in a steam reformer, producing reformed molecular hydrogen, which is then introduced into the reactor vessel for hydropyrolizing the biomass. The deoxygenated hydrocarbon liquid product is further separated to produce diesel fuel, gasoline, or blending components for gasoline and diesel fuel.
Owner:GAS TECH INST
Systems, methods, and catalysts for producing a crude product
InactiveUS20050133414A1Reduce contentCatalytic crackingRefining with metal saltsOxygen contentChemistry
Contact of a crude feed with one or more catalysts produces a total product that includes a crude product. The crude feed may include Micro-Carbon Residue (MCR), oxygen, sulfur, or mixtures thereof. The crude product is a liquid mixture at 25° C. and 0.101 MPa. The crude product may have a MCR residue and / or oxygen content of at most 90% of the MCR residue content and / or oxygen content of the crude feed. In some instances, the crude product may have a sulfur content of about 30% to about 70% of the sulfur content of the crude feed. One or more other properties of the crude product may be changed by at least 10% relative to the respective properties of the crude feed.
Owner:SHELL OIL CO
Iron-based ionic liquid catalysts for hydroprocessing carbonaceous feeds
InactiveUS6139723AIncrease hydrocracking ability of catalystIndirect and direct heating destructive distillationCatalyst activation/preparationLiquid productIron salts
A highly dispersed iron-based ionic liquid or liquid-gel catalyst which may be anion-modified and metals-promoted has high catalytic activity, and is useful for hydrocracking / hydrogenation reactions for carbonaceous feed materials. The catalyst is produced by aqueous precipitation from saturated iron salt solutions such as ferric sulfate and ferric alum, and may be modified during preparation with anionic sulfate (SO42-) and promoted with small percentages of at least one active metal such as cobalt, molybdenum, palladium, platinum, nickel, or tungsten or mixtures thereof. The resulting catalyst may be used in a preferred ionic liquid form or in a liquid-gel form, and either fluidic form can be easily mixed and reacted with carbonaceous feed materials such as coal, heavy petroleum fractions, mixed plastic waste, or mixtures thereof. The invention includes methods for making the ionic liquid or liquid-gel catalyst, and processes for using the fluidic catalysts for hydroprocessing the carbonaceous feed materials to produce desirable low-boiling hydrocarbon liquid products.
Owner:HEADWATERS CTL
Gasoline and diesel production from pyrolytic lignin produced from pyrolysis of cellulosic waste
InactiveUS7578927B2Treatment with plural serial cracking stages onlyTreatment with plural serial stages onlyCelluloseNaphtha
A process for the conversion of biomass to a liquid fuel is presented. The process includes the production of diesel and naphtha boiling point range fuels by hydrocracking of pyrolysis lignin extracted from biomass.
Owner:UOP LLC
Systems, methods, and catalysts for producing a crude product
InactiveUS20050133417A1Reduce contentCatalytic crackingRefining with metal saltsAcid valueTotal acid
Contact of a crude feed with one or more catalysts produces a total product that include a crude product. The crude feed may a total acid number of at least 0.3. The crude product is a liquid mixture at 25° C. and 0.101 MPa. The crude product may have a total acid number of at most 90% of the total acid number of the crude feed. At least one of the catalysts may include one or more Column 6 metals of the Periodic Table and one or more Column 10 metals of the Periodic Table. One or more other properties of the crude product may be changed by at least 10% relative to the respective properties of the crude feed.
Owner:SHELL OIL CO
Production of Aviation Fuel from Biorenewable Feedstocks
ActiveUS20090158637A1Refining to change hydrocarbon structural skeletonHydrocarbon purification/separationAlkaneVegetable oil
A process has been developed for producing aviation fuel from renewable feedstocks such as plant oils and animal fats and oils. The process involves treating a renewable feedstock by hydrogenating and deoxygenating to provide n-paraffins having from about 8 to about 24 carbon atoms. At least some of the n-paraffins are isomerized to improve cold flow properties. At least a portion of the paraffins are selectively cracked to provide paraffins meeting specifications for different aviation fuels such as JP-8.
Owner:UOP LLC
Isoparaffinic base stocks by dewaxing fischer-tropsch wax hydroisomerate over Pt/H-mordenite
A high VI and low pour point lubricant base stock is made by hydroisomerizing a high purity, waxy, paraffinic Fischer-Tropsch synthesized hydrocarbon fraction having an initial boiling point in the range of 650-750° F., followed by catalytically dewaxing the hydroisomerate using a dewaxing catalyst comprising a catalytic platinum component and an H-mordenite component. The hydrocarbon fraction is preferably synthesized by a slurry Fischer-Tropsch using a catalyst containing a catalytic cobalt component. This combination of the process, high purity, waxy paraffinic feed and the Pt / H-mordenite dewaxing catalyst, produce a relatively high yield of premium lubricant base stock.
Owner:EXXON RES & ENG CO
Production of high viscosity lubricating oil stock with improved ZSM-5 catalyst
InactiveUS6294077B1Low pour pointHigh viscosity indexMolecular sieve catalystsRefining to change hydrocarbon structural skeletonHydrogenParaffin oils
The present invention is a process for producing a high viscosity index and low pour point lubricating oil base stock which comprises catalytically converting a hydrotreated hydrocarbon lube oil feedstock containing waxy paraffins in the presence of hydrogen and in the presence of a low acidity ZSM-5 catalyst having a highly dispersed noble metal component. The ZSM-5 catalyst is subjected to controlled acidity reduction to an alpha value below 15 prior to incorporation of the noble metal component.
Owner:MOBIL OIL CORP
Methods of hydrotreating a mixture made up of oils of animal or vegetable origin and of petroleum cuts with intermediate stripping
ActiveUS20080161614A1Low costLimit consumption of hydrogenThermal non-catalytic crackingCatalytic crackingVegetable oilVolumetric Mass Density
The invention relates to a hydrotreating method (HDT) using two plants working under different operating conditions with an intermediate stripping for co-treating a mixture made up of oils of vegetable or animal origin and petroleum cuts (gas oil cuts (GO) and middle distillates) in order to produce gas oil fuel bases meeting specifications. The first plant (HDT1) is more particularly dedicated to the reactions concerning oils of vegetable or animal origin in comixture while pretreating the hydrocarbon feed, whereas the second plant (HDS2) works under more severe conditions to obtain diesel fuel according to standards, in particular in terms of effluent sulfur content, density and cold properties. The process economy, the activity and the stability of the catalyst of the second plant are greatly improved by the intermediate stripping.
Owner:INST FR DU PETROLE
Hydrogenation process for hydrocarbon resins
InactiveUS20030150778A1Improve productivityIncrease volumePreparation by oxo-reaction and reductionCatalyst activation/preparationProduction rateHalogen
This invention provides a process for hydrotreating hydrocarbon resins, which process comprises contacting a feedstock comprising a hydrocarbon resin or rosin, under suitable hydrotreating conditions, with a bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least two Group VIB metals and wherein the ratio of Group VIB metal to Group VIII non-noble metal is from about 10:1 to about 1:10. The process accord invention can achieve increased hydrocarbon resin productivity through increase in throughput volumes and effective catalyst lifetimes. The process of the invention is desirably practiced with a bulk catalyst consisting of only the combination of the metal species with the active metal components. The absence of carrier substrates largely removes the possibility of halogen accumulation on substrate surfaces that, in turn, can acidify metal catalysts such that additional, progressive cracking of the hydrocarbon resin molecules occurs.
Owner:EXXONMOBIL CHEM PAT INC
Hydroprocessing method and system for upgrading heavy oil using a colloidal or molecular catalyst
ActiveUS20050241993A1Inhibits eliminates formationEasy to useCatalyst regeneration/reactivationCatalyst activation/preparationColloidFuel oil
Methods and systems for hydroprocessing heavy oil feedstocks to form an upgraded material involve the use of a colloidal or molecular catalyst dispersed within a heavy oil feedstock, a hydrocracking reactor, and a hot separator. The colloidal or molecular catalyst promotes hydrocracking and other hydroprocessing reactions within the hydrocracking reactor. The catalyst is preferentially associated with asphaltenes within the heavy oil feedstock, which promotes upgrading reactions involving the asphaltenes rather than formation of coke precursors and sediment. The colloidal or molecular catalyst overcomes problems associated with porous supported catalysts in upgrading heavy oil feedstocks, particularly the inability of such catalysts to effectively process asphaltene molecules. The result is one or more of reduced equipment fouling, increased conversion level, and more efficient use of the supported catalyst if used in combination with the colloidal or molecular catalyst.
Owner:HEADWATERS TECH INNOVATION LLC
Methods for producing a total product in the presence of sulfur
Methods of producing a total product are described. A method includes continuously contacting a feed with a hydrogen source in the presence of one or more inorganic salt catalysts and steam to produce a total product, wherein the feed has at least 0.02 grams of sulfur, per gram of feed; and producing a total product that includes coke and the crude product. The crude product has a sulfur content of at most 90% of the sulfur content of the feed.
Owner:SHELL OIL CO
Doped spherically-shaped supported catalyst and process for hydrotreating and hydroconverting metal-containing oil fractions
ActiveUS20050211603A1Catalytic crackingCatalyst activation/preparationCatalytic metalSilicon dioxide
The present invention concerns a catalyst for hydrotreating and / or hydroconverting heavy metal-containing hydrocarbon feeds, said catalyst comprising a support in the form of beads based on alumina, at least one catalytic metal or a compound of a catalytic metal from group VIB (column 6 in the new periodic table notation), optionally at least one catalytic metal or compound of a catalytic metal from group VIII (columns 8, 9 and 10 of the new periodic table notation), with a pore structure composed of a plurality of juxtaposed agglomerates, each formed by a plurality of acicular platelets, the platelets of each agglomerate being generally radially orientated with respect to each other and with respect to the center of the agglomerate. The catalyst also comprises at least one doping element selected from the group constituted by phosphorus, boron, silicon (or silica which does not belong to that which could be contained in the selected support) and halogens. The invention also concerns the use of said catalyst in converting metal-containing feeds.
Owner:INST FR DU PETROLE
Fuel Composition
ActiveUS20080229654A1Maximize product yieldYield maximizationFatty acid isomerisationFatty acid oxidationIsomerizationVegetable oil
Compositions and methods for forming hydrocarbon products from triglycerides are disclosed. In one aspect, the methods involve the thermal decomposition of fatty acids, which can be derived from the hydrolysis of triglycerides. The thermal decomposition products can be combined with low molecular weight olefins, such as Fischer-Tropsch synthesis products, and subjected to molecular averaging reactions. Alternatively, the products can be subjected to hydrocracking reactions, isomerization reactions, and the like. The products can be isolated in the gasoline, jet and / or diesel fuel ranges. Thus, vegetable oils and / or animal fats can be converted using water, catalysts, and heat, into conventional products in the gasoline, jet and / or diesel fuel ranges. These products are virtually indistinguishable from those derived from their petroleum-based analogs, except that they can have virtually no aromatic, sulfur or nitrogen content, they are derived, in whole or in part, from renewable resources, and can also be derived from domestically available coal and / or natural gas.
Owner:BRADIN DAVID
Systems and methods of 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 feed has a residue content of at least 0.2 grams of residue per gram of crude feed. At least a portion of the crude product may be produced as a vapor. The crude product is a liquid mixture at 25° C. and 0.101 MPa. One or more properties of the crude product may be changed by at least 10% relative to the respective properties of the crude feed.
Owner:SHELL OIL CO
Hydrocracking catalyst and preparation method thereof
ActiveCN101380589AHigh ratio of silicon to aluminumLarger than surfaceMolecular sieve catalystsHydrocarbon oil crackingCrystallinityCell parameter
The invention discloses a hydrocracking catalyst and a preparation method thereof. The catalyst comprises hydrogenation active metals and a carrier containing modified Y molecular sieve, alumina and amorphous aluminium silicon, wherein, the Y molecular sieve is prepared by the following method: the Y molecular sieve undergone hydro-thermal treatment by mixed water solution of aluminium salt and acid is adopted; the performance of the Y molecular sieve is as follows: specific surface is 800m<2> / g-900m<2> / g, total aperture volume is 0.40ml / g-0.50ml / g, relative crystallinity is 90%-130%, cell parameter is 2.434-2.440nm, aluminium silicon mol ratio is 20-100, infrared acid volume is 0.3-0.8mmol / g, the mol ratio of acid B and acid L is above 7.0, sodium oxide content is less than or equal to 0.05wt%. The catalyst prepared by the invention has the advantages of high catalytic activity, good target product selectivity and can produce heavy naphtha, aviation fuel and diesel fuel, and the like, with high yield and good quality.
Owner:CHINA PETROLEUM & CHEM CORP +1
Process for conversion of biomass to fuel
ActiveUS20090069610A1Meet growth needsEasy to processFatty acid esterificationRefining to change hydrocarbon structural skeletonAlkaneChain length
The present invention is directed to processes for the direct conversion of lipidic biomass fuelstock to combustible fuels. In particular, the invention provides a process for the direct conversion of animal fats to transportations fuels suitable as replacement for petroleum-derived transportation fuels. In one embodiment, the method comprises the steps of hydrolyzing a lipidic biomass to form free fatty acids, catalytically deoxygenating the free fatty acids to form n-alkanes, and reforming at least a portion of the n-alkanes into a mixture of compounds in the correct chain length, conformations, and ratio to be useful transportation fuels. Particularly, the product prepared according to the invention comprises mixtures of hydrocarbon compounds selected from the group consisting of n-alkanes, isoalkanes, aromatics, cycloalkanes, and combinations thereof.
Owner:NORTH CAROLINA STATE UNIV
High active high medium oil selective hydrocracking catalyst and preparation thereof
ActiveCN101239324AHigh crystallinityLow cell parametersMolecular sieve catalystsHydrocarbon oil crackingMolecular sieveSingle stage
The present invention provides a hydrocracking catalyst having high activity, high medium oil selectivity, catalyst constitute uses amorphous silica-alumina as a carrier, Y type molecular sieve processed by special modification is an acidity component, the molecular sieve has a high crystallinity and a lower cell parameter, a plenty quadric hole, larger surface, in addition, has a small acid center, even distribution, no strong acid center, 70-80% is moderate intensity acid center, 20-30% is weak acid center, and the molecular sieve also has a strong anti-nitrogen ability and better damaging ability, the hydrocracking catalyst using the molecular sieve has a better hydrocracking activity, and a higher medium oil selectivity, and a strong anti-nitrogen ability at the same time. The invention uses heavy hydrocarbon single stage or single stage serial hydrocracking process generate midbarrel oil product, and has better activity and medium oil selectivity.
Owner:CHINA PETROLEUM & CHEM CORP +1
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