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| Number | Title | Issue Date |
| 8177964 | Delayed coking process with modified feedstock A process of delayed coking with modified feedstock is described maximising the volume of diesel oil and minimising the volume of coke produced by means of feedstock which comprises, in a first embodiment of the invention: the bottom product (8) of the vacuum... | 05/15/2012 |
| 8002968 | Process for treating a heavy hydrocarbon feedstock and a product obtained therefrom A process for treating a heavy hydrocarbon feedstock is disclosed. The process involves separating the feedstock into a residue component and a light component, the residue component having a lower API gravity than the light component and treating at least a portion... | 08/23/2011 |
| 7820033 | Method for adjusting yields in a light feed FCC reactor A process for increasing ethylene yield in a cracked hydrocarbon is provided. A hydrocarbon feed stream comprising at least 90% by weight of one or more C4-C10 hydrocarbons can be heated to provide an effluent stream comprising at least 10% by ... | 10/26/2010 |
| 7553404 | Fuel composition A process for preparing at least two compositions suitable for production of gasoline, which process comprises: fractionating an alkylation product to produce a first cut boiling in the range 90-106° C., a second cut boiling at temperature lower than said first cut... | 06/30/2009 |
| 7358413 | Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks Hydrocarbon feedstock containing resid is cracked by a process comprising: (a) heating the hydrocarbon feedstock; (b) mixing the heated hydrocarbon feedstock with steam and optionally water to form a mixture stream; (c) introducing the mixture stream to a flash/sepa... | 04/15/2008 |
| 7351872 | Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace A process and control system for cracking a heavy hydrocarbon feedstock containing non-volatile hydrocarbons comprising heating the heavy hydrocarbon feedstock, mixing the heated heavy hydrocarbon feedstock with a dilution steam stream to form a mixture stream havin... | 04/01/2008 |
| 7318845 | Compact distillates fuel processor with effective sulfur removal process A distillate fuel steam reformer system in which a fuel feed stream is first separated into two process streams: an aliphatics-rich, sulfur-depleted gas stream, and an aromatics- and sulfur-rich liquid residue stream. The aliphatics-rich gas stream is desulfurized, ... | 01/15/2008 |
| 7312371 | Steam cracking of hydrocarbon feedstocks containing non-volatile components and/or coke precursors A process for cracking a heavy hydrocarbon feedstock containing non-volatile components and/or coke precursors, wherein a stripping agent is added to the feedstock to form an enhanced hydrocarbon blend which is thereafter separated into a vapor phase and a liquid ph... | 12/25/2007 |
| 7311746 | Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid A highly efficient vapor/liquid separation apparatus for treating a flow of vapor/liquid mixtures of hydrocarbons and steam comprises a substantially cylindrical vertical drum having an upper cap section, a middle section comprising a circular wall, a lower cap sect... | 12/25/2007 |
| 7285697 | Reduction of total sulfur in crude and condensate cracking A process for cracking hydrocarbon feedstock comprising at least one sulfur-containing compound comprising: heating the feedstock and a peroxide-containing compound, mixing the heated feedstock and peroxide-containing compound with a fluid and/or a primary dilution ... | 10/23/2007 |
| 7250107 | Flexible method for producing oil bases and distillates from feedstock containing heteroatoms For producing basic oils and in particular very high quality oils, i.e. oils possessing a high viscosity index (VI), a low aromatics content, good UV stability and a low pour point, from oil cuts having an initial boiling point higher than 340° C., possibly with si... | 07/31/2007 |
| 7247765 | Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel A process is provided for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form a mixture, optionally further heating the mixture, flashing the mixtu... | 07/24/2007 |
| 7244871 | Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids A process for decoking of a process that cracks hydrocarbon feedstock containing resid and coke precursors, wherein steam is added to the feedstock to form a mixture which is thereafter separated into a vapor phase and a liquid phase by flashing in a flash/separatio... | 07/17/2007 |
| 7235705 | Process for reducing vapor condensation in flash/separation apparatus overhead during steam cracking of hydrocarbon feedstocks A process for reducing fouling during cracking of a hydrocarbon feedstock containing resid is provided which comprises: introducing a mixture stream of heated hydrocarbon feedstock mixed with steam to a flash/separation apparatus to form i) a vapor phase at its dew ... | 06/26/2007 |
| 7220887 | Process and apparatus for cracking hydrocarbon feedstock containing resid A process for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form a mixture, flashing the mixture to form a vapor phase and a liquid phase which co... | 05/22/2007 |
| 7182028 | System and method for the pyrolization of waste A system for the pyrolization of waste has a combustion chamber with a fuel inlet and a hot gas outlet, a pyrolization chamber separated from the combustion chamber, and a conveyor means positioned within the pyrolization chamber for moving waste from the waste inle... | 02/27/2007 |
| 7161052 | Process for the valorization of a charge of hydrocarbons and for reducing the vapor pressure of said charge A process is described for the valorization of a charge of hydrocarbons and for reducing the vapour pressure of said charge, comprising three steps: a step a) consisting of separating said charge of hydrocarbons into a fraction (O1) comprising essentially compounds ... | 01/09/2007 |
| 7138047 | Process for steam cracking heavy hydrocarbon feedstocks A process for feeding or cracking heavy hydrocarbon feedstock containing non-volatile hydrocarbons comprising: heating the heavy hydrocarbon feedstock, mixing the heavy hydrocarbon feedstock with a fluid and/or a primary dilution steam stream to form a mixture, flas... | 11/21/2006 |
| 7097758 | Converting mist flow to annular flow in thermal cracking application A process to increase the non-volatile removal efficiency in a flash drum in the steam cracking system. The gas flow from the convection section is converted from mist flow to annular flow before entering the flash drum to increase the removal efficiency. The conver... | 08/29/2006 |
| 7090765 | Process for cracking hydrocarbon feed with water substitution A process for treating hydrocarbon feed in a furnace, the process comprising: (a) heating hydrocarbon feed, (b) adding water to the heated feed, (c) adding dilution steam to the heated feed to form a mixture, (d) heating the resulting mixture and feeding the resulti... | 08/15/2006 |
| 7056869 | Hydrocarbon fluids Hydrocarbon fluids are provided which have ASTM D-86 boiling point ranges within 235° C. to 400° C. and a naphthenic content greater than 60%, the naphthenics containing polycyclic materials, the fluids preferably have an aromatic content below 2% and an aniline p... | 06/06/2006 |
| 6979396 | Combination reforming and isomerization process A reforming and isomerization process has been developed. A reforming feedstream is charged to a reforming zone containing a reforming catalyst and operating at reforming conditions to generate a reforming zone effluent. Hydrogen and an isomerization feedstream is c... | 12/27/2005 |
| 6759438 | Use of oxygen analysis by GC-AED for control of fischer-tropsch process and product blending Methods for producing a substantially paraffinic Fischer-Tropsch product or a blended Fischer Tropsch product comprising a selected oxygenate concentration, and if required, a selected oxygenate concentration of specific individual oxygenates, are disclosed. The met... | 07/06/2004 |
| 6589415 | Liquid or two-phase quenching fluid for multi-bed hydroprocessing reactor The present invention is directed to a method for hydroprocessing Fischer-Tropsch products. The invention in particular relates to an integrated method for producing liquid fuels from a hydrocarbon stream provided by Fischer-Tropsch synthesis. The method ... | 07/08/2003 |
| 6562230 | Synthesis of narrow lube cuts from Fischer-Tropsch products A process for preparing hydrocarbons in the lube base oil range, lube base oils and lube oil compositions from a fraction with an average molecular weight above a target molecular weight and a fraction with an average molecular weight below a target molec... | 05/13/2003 |
| 6531515 | Hydrocarbon recovery in a fischer-tropsch process An integrated process for improved hydrocarbon recovery from a natural gas resource is disclosed. A methane-rich stream, an LPG stream and optionally a C5+ stream are isolated from a natural gas source in a first separation zone and desulfurized. The met... | 03/11/2003 |
| 6379534 | Pour point depression unit using mild thermal cracker A method for lowering the cloud/pour point of a waxy crude oil in locations where size and/or weight of the facility may need to be limited (i.e. arctic zones and offshore). The major components of the system comprise a fractionation/quench tower and a re... | 04/30/2002 |
| 6361683 | Hydrocracking process A catalytic hydrocracking process wherein a hydrocarbonaceous feedstock and a liquid recycle stream having a temperature greater than about 500° F. and saturated with hydrogen is contacted with hydrogen in a hydrocracking reaction zone at elevated temper... | 03/26/2002 |
| 6350351 | Plant for the vacuum distillation of a liquid product A plant for the vacuum distillation of liquids has a vacuum rectification column and a vacuum-producing device based on a liquid-gas jet apparatus. The plant is furnished additionally with a jet pump. A nozzle of the jet pump is connected to a pipeline fo... | 02/26/2002 |
| 6238549 | Process for converting hydrocarbons by treatment in a distillation zone associated with a reaction zone, comprising re-contacting a vapor distillate with the feed, and its use for hydrogenating benzine The invention concerns a process for converting a hydrocarbon feed in which said feed is treated in a distillation zone producing an overhead vapor distillate and a bottom effluent, associated with an at least partially external reaction zone comprising a... | 05/29/2001 |
| 6190535 | Hydrocracking process A catalytic hydrocracking process wherein a denitrification and desulfurization reaction zone effluent is heat-exchanged with a hydrogen-rich gaseous stream and introduced into a hydrocracking zone. The resulting effluent from the hydrocracking zone is pa... | 02/20/2001 |
| 6103105 | Process for the reduction of sulphur content in FCC heavy gasoline A process for the reduction of sulphur content in a FCC gasoline includes fractionation of the FCC gasoline into three fractions: a light fraction comprising 50-80% of the FCC gasoline, an intermediate boiling fraction comprising 10-30% of the FCC gasolin... | 08/15/2000 |
| 6017441 | Multi-step catalytic process for conversion of a heavy hydrocarbon fraction A process for converting a heavy hydrocarbon fraction comprises treating the hydrocarbon feed in a hydroconversion section in the presence of hydrogen, the section comprising at least one three-phase reactor containing at least one ebullated bed hydroconv... | 01/25/2000 |
| 5980730 | Process for converting a heavy hydrocarbon fraction using an ebullated bed hydrodemetallization catalyst A process for converting a heavy hydrocarbon fraction comprises treating the hydrocarbon feed in a hydroconversion section in the presence of hydrogen, the section comprising at least one three-phase reactor containing at least one ebullated bed hydroconv... | 11/09/1999 |
| 5976354 | Integrated lube oil hydrorefining process In an integrated lube oil process, a lube oil stock is hydrotreated over a non-noble metal containing hydrotreating catalyst in an HDN/HDS unit to remove sulfur and nitrogen from the lube oil stock and produce an HDN/HDS unit effluent. The effluent compri... | 11/02/1999 |
| 5403469 | Process for producing FCC feed and middle distillate Hydrotreated and hydrocracked liquid/vapor effluents are separated in a common separating vessel under elevated pressure. High quality middle distillates and low-sulfur/low-hydrogen-containing FCC feedstocks are produced.... | 04/04/1995 |
| 5310478 | Method for production of hydrocarbon diluent from heavy crude oil A method of producing hydrocarbon diluent from heavy crude oil, comprises pre-heating the crude oil to produce a heated crude oil, separating in a separator vessel by flashing the heated crude oil to produce a first vapor fraction and a first liquid fract... | 05/10/1994 |
| 5200059 | Reformulated-gasoline production A process combination is disclosed to reduce the aromatics content and increase the oxygen content of a key component of gasoline blends. A naphtha feedstock having a boiling range usually suitable as catalytic-reforming feed is processed by selective iso... | 04/06/1993 |
| 5198097 | Reformulated-gasoline production A process combination is disclosed to reduce the aromatics content and increase the oxygen content of a key component of gasoline blends. A naphtha feedstock having a boiling range usually suitable as catalytic-reforming feed is processed by selective iso... | 03/30/1993 |
| 5185486 | Method of reducing the benzene content of gasolines The benzene content of hydrocarbon gasolines is accomplished by (a) fractionating at least one hydrocarbon gasoline into a light fraction A, with an increased benzene content, and a heavy fraction B, with a reduced benzene content; (b) contacting the ligh... | 02/09/1993 |
