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| Number | Title | Issue Date |
| 8163167 | Process for the deep desulfurization of heavy pyrolysis gasoline A process for the deep desulfurization of a heavy pyrolysis gasoline to very low levels of organic sulfur, e.g., 30 ppmv or less, with minimal octane number loss through aromatics saturation. The deep desulfurization is accomplished by contacting the heavy pyrolysis... | 04/24/2012 |
| 8152993 | Ethylene furnace radiant coil decoking method Methods are provided for decoking the radiant coils in an ethylene cracking plant. The decoking process is controlled by monitoring the coil outlet temperature to control the rate of burning of coke in the radiant coils. Air flow rates, steam flow rates and coil out... | 04/10/2012 |
| 7901564 | Mitigation of refinery process unit fouling using high-solvency-dispersive-power (HSDP) resid fractions Atmospheric and/or vacuum resid fractions of a high solvency dispersive power (HSDP) crude oil are added to a blend of crude oil to prevent fouling of crude oil refinery equipment and to perform on-line cleaning of fouled refinery equipment. The HSDP resid fractions... | 03/08/2011 |
| 7837855 | High-solvency-dispersive-power (HSDP) crude oil blending for fouling mitigation and on-line cleaning A high solvency dispersive power (HSDP) crude oil is added to a blend of incompatible and/or near-incompatible oils to proactively address the potential for fouling heat exchange equipment. The HSDP component dissolves asphaltene precipitates and maintains suspensio... | 11/23/2010 |
| 7833407 | Method of blending high TAN and high Scrude oils and method of reducing particulate induced whole crude oil fouling and asphaltene induced whole crude oil fouling A high solvency dispersive power (HSDP) crude oil is added to a blend of incompatible oils to proactively address the potential for fouling heat exchange equipment. The HSDP component dissolves asphaltene precipitates and maintains suspension of inorganic particulat... | 11/16/2010 |
| 7686940 | Acoustic agglomeration to reduce fouling in thermal conversion processes This invention relates to a process for reducing fouling of equipment used in fluidized bed thermal conversion processes such as fluid coking and FLEXICOKING™. Acoustic energy is used to acoustically agglomerate fine mists created during the coking process. The ag... | 03/30/2010 |
| 7604730 | Coking reduction in cracking reactors The invention concerns a method for reducing coking on the metal walls of a reactor cracking hydrocarbons or other organic compounds and on the metal walls of a heat exchanger placed downstream of the cracking reactor, whereby the metal surfaces coming into contact ... | 10/20/2009 |
| 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 |
| 7354660 | High performance alloys with improved metal dusting corrosion resistance Alloy compositions which are resistant to metal dusting corrosion are provided by the present invention. Also provided are methods for preventing metal dusting on metal surfaces exposed to carbon supersaturated environments. The alloy compositions include an alloy (... | 04/08/2008 |
| 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 |
| 7339087 | Pyrolysis Process for pyrolyzing a light feed in a pyrolysis furnace designed for pyrolyzing heavy feed, in which process part of the light feed is introduced at the feed inlet of the convection zone of the pyrolysis furnace and further light feed is introduced into the conve... | 03/04/2008 |
| 7311814 | Process for the production of hydrocarbon fluids Hydrocarbon fluids are produced by hydrocracking a vacuum gas oil stream, fractionating and/or hydrogenating the hydrocracked vacuum gas oil. The fluids typically have ASTM D86 boiling point ranges within the range 100° C. to 400° C. the range being no more than 7... | 12/25/2007 |
| 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 |
| 7303789 | Methods for producing thin films on substrates by plasma CVD Methods are provided to form a thin film reproducibly in a process for forming the thin film on the inner wall surface facing a space formed in a substrate by plasma CVD. A thin film is produced on an inner wall surface of a substrate facing a space formed in the su... | 12/04/2007 |
| 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 |
| 7282136 | Method of dispersing hydrocarbon foulants in hydrocarbon processing fluids A method of dispersing, dissolving, or reducing the viscosity of hydrocarbon foulants including heavy oil, tars, asphaltenes, polynuclear aromatic hydrocarbons, coke, polymers, light oil, oxidized hydrocarbon and thermal decomposition products, and the like in fluid... | 10/16/2007 |
| 7270743 | Products produced form rapid thermal processing of heavy hydrocarbon feedstocks The present invention is directed to the upgrading of heavy hydrocarbon feedstock that utilizes a short residence pyrolytic reactor operating under conditions that cracks and chemically upgrades the feedstock. The process of the present invention provides for the pr... | 09/18/2007 |
| 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 |
| 7175552 | Ball bat formed of carburized steel A ball bat includes a substantially tubular frame having a handle portion and a primary hitting portion. The handle portion is formed of a non-steel material. The hitting portion is formed separately from, and coupled to, the handle portion. The hitting portion is f... | 02/13/2007 |
| 7160437 | Method for determining the source of fouling in thermal conversion process units The present invention relates to a method for determining the source of fouling in petroleum thermal conversion process units. More particularly, the invention distinguishes whether fouling occurs due to feed entrainment of small feed droplets or vapor phase condens... | 01/09/2007 |
| 7156979 | Thermal cracking process using tubes, pipes, and coils made of novel stainless steel matrix A thermal cracking process using tubes, pipes, and coils made of. An outermost surface covering not less than 55% of stainless steel, said surface having a thickness from 0.1 to 15 microns and being a spinel of the formula MnxCr3-xO... | 01/02/2007 |
| 7153413 | Gasoline sulfur reduction in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, is reduced in a catalytic cracking process employing a cracking catalyst containing a high content of vanadium. The cracking process involves introducing at least one vanadium compound ... | 12/26/2006 |
| 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 |
| 7122112 | Compounds containing amide and carboxyl groups as asphaltene dispersants in crude oil A composition containing: (a) 0.001% to 20% of at least one compound represented by formula (II), wherein R5 is C1–C70 difunctional alkyl or C6–C14 difun... | 10/17/2006 |
| 7108730 | Method for providing controlled heat to a process This invention relates to a method for providing controlled heat to a process utilizing a flameless distributed combustion. The method of the invention comprises providing an oxidation chamber, with an inlet for oxidant, an outlet for combustion products, and a flow... | 09/19/2006 |
| 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 |
| 7077949 | FCC reactor vessel A fluidized catalytic cracking reactor vessel having at its upper end means to separate catalyst particles from an effluent of a dilute phase fluidized catalytic cracking reactor riser, which separation means are fluidly connected to the downstream part of the react... | 07/18/2006 |
| 7045114 | Method and apparatus for obtaining enhanced production rate of thermal chemical reactions Reactors and processes are disclosed that can utilize high heat fluxes to obtain fast, steady-state reaction rates. Porous catalysts used in conjunction with microchannel reactors to obtain high rates of heat transfer are also disclosed. Reactors and processes that ... | 05/16/2006 |
| 7029570 | Disaggregation of asphaltenes in incompatible petroleum oil mixtures The thermal decomposition of Athabasca asphaltene at relatively low ( | 04/18/2006 |
| 6986839 | Method for prevention of fouling in basic solution by inhibiting polymerization and solubilizing deposits using amino acids A method for inhibiting and dissolving the deposits formed on caustic or alkaline scrubbers used in scrubbing acidic gases such as carbon dioxide, hydrogen sulfide, which are formed during the pyrolytic cracking of naphtha, ethane, and propane. The cracking operatio... | 01/17/2006 |
| 6969250 | Exhaust gas treating device A waste gas treatment system having a burner part and a combustion chamber provided at a downstream side of the burner part. Combustion flames are formed from the burner part toward the combustion chamber, and a waste gas is introduced into the combustion flames, th... | 11/29/2005 |
| 6926820 | Inhibition of viscosity increase and fouling in hydrocarbon streams including unsaturation A method of inhibiting fouling and viscosity increase in hydrocarbon streams including ethylenically unsaturated monomers is disclosed. The method includes the step of adding to the hydrocarbon stream an effective amount of one or more quinone methides of the formul... | 08/09/2005 |
| 6914105 | Continuous process for making polymers in carbon dioxide A method for carrying out the continuous polymerization of a monomer in a carbon dioxide reaction medium comprises the steps of: (a) providing an apparatus including a continuous reaction vessel and a separator; (b) carrying out a polymerization reaction in the reac... | 07/05/2005 |
| 6908543 | Method for retarding fouling of feed heaters in refinery processing A method of minimizing the formation of polymers and other heavy molecular weight products upon heating of a hydrocarbon stream in a hydroconversion process is described. Specifically, sufficient hydrogen-containing gas is added to the hydrocarbon stream before heat... | 06/21/2005 |
| 6860985 | Process for increasing yield in coking processes The invention relates to a method for improving yield in petroleum streams derived from coking processes. In a preferred embodiment, the invention relates to a method for regenerating filters employed to remove particulate matter from coker gas oil to improve coker ... | 03/01/2005 |
