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| Number | Title | Issue Date |
| 8163170 | Coil for pyrolysis heater and method of cracking Randomly packing with filler material at least part of a pass in a coil used in a system for pyrolyzing hydrocarbon feedstock to lighter hydrocarbons. Randomly packing increases heat transfer and decreases the rate of coke build-up within the coil, yielding an impro... | 04/24/2012 |
| 8101066 | Fluidized coking process An improved fluidized coking process wherein an effective amount of a basic material, preferably an alkali or alkaline-earth metal-containing compound, is added to the coking zone to mitigate agglomeration of the coke during the coking of a heavy hydrocarbonaceous f... | 01/24/2012 |
| 8057662 | Pyrolysis of residual hydrocarbons A process and apparatus for upgrading heavy hydrocarbons such as asphaltenes to lighter oil and gas components is disclosed. The process provides a reaction environment that promotes fast and selective cracking of heavy hydrocarbons, while minimizing coke formation ... | 11/15/2011 |
| 7892416 | Low temperature thermodynamic cracking and conversion for upgrading of heavy oils The present invention provides a thermodynamic cracking process wherein the cracking takes place in a cyclone reactor and in a riser of varying areas under the influence of a rotating and turbulent fluidised energy carrier which is put in motion in a fluidised regen... | 02/22/2011 |
| 7572362 | Modified thermal processing of heavy hydrocarbon feedstocks The present invention is directed to the upgrading of heavy petroleum oils of high viscosity and low API gravity that are typically not suitable for pipelining without the use of diluents. It utilizes a short residence-time pyrolytic reactor operating under conditio... | 08/11/2009 |
| 7419608 | Treating method and equipment for coke-cooling wastewater The present invention falls within the field of purifying oil-laden wastewater, which provides a method for purifying coke-cooling wastewater in a delayed coking process in petroleum chemical field. The method comprises the following steps: (a) cooling the coke-cool... | 09/02/2008 |
| 7419585 | Process for upgrading residua A process for upgrading a residua feedstock using a short vapor contact time thermal process unit comprised of a horizontal moving bed of fluidized hot particles. The residua feedstock is preferably atomized so that the Sauter mean diameter of the residua feedstock ... | 09/02/2008 |
| 7368052 | Process for discharging and transferring fluidized particles A process is disclosed for discharging and transferring upwardly fluidized particles from a dense fluidizing layer forming section to a high-velocity transferring section having a diameter which is smaller than that of the dense fluidizing fluidized layer forming se... | 05/06/2008 |
| 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 |
| 7144498 | Supercritical hydrocarbon conversion process Supercritical conversion of hydrocarbons boiling above 538° C. (1000° F.) with a solvating hydrocarbon at a weight ratio of solvating hydrocarbon to high-boiling hydrocarbons of at least 2:1 and at conditions above the critical temperature and pressure of the high... | 12/05/2006 |
| 7028517 | Cylinder lock with programmable keyway A core having a plurality of pin bores penetrating from the core surface to the keyway, and a plurality of activator pins and filler pins, such that the installer can locate one or more activator pins in any of the pin bores, and one or more filler pins in any of th... | 04/18/2006 |
| 6974305 | Roto-dynamic fluidic systems An apparatus and method for generating cavitation in fluids is disclosed. The apparatus includes a housing for receiving a rotor, which is driven by a motive force. Multiple embodiments of the rotors are disclosed including, but not limited to, centrally feed, centr... | 12/13/2005 |
| 6835861 | Low energy method of pyrolysis of hydrocarbon materials such as rubber A low energy method of pyrolysis of rubber or other hydrocarbon material is provided. The hydrocarbon material is heated while maintaining a vacuum, using a clay catalyst. In an additional embodiment, the temperature of the reaction chamber and corresponding fuel in... | 12/28/2004 |
| 6833485 | Low energy method of pyrolysis of hydrocarbon materials such as rubber A low energy method of pyrolysis of rubber or other hydrocarbon material is provided. The hydrocarbon material is heated while maintaining a vacuum, using a clay catalyst. In an additional embodiment, also under a vacuum and optionally with or without the catalyst, ... | 12/21/2004 |
| 6797850 | Catalytic dehydrogenation processes and chromium catalysts for use therein A chromium catalyst is disclosed for use in dehydrogenation and dehydrocyclization processes. ... | 09/28/2004 |
| 6783662 | Cavitation enhanced liquid atomization A cavitation enhanced atomizing process comprises forming a flowing solution of the liquid to be atomized and a lower boiling cavitating liquid. This flowing solution is then contacted with a pressure reducing means, at a temperature below the bubble point of the ca... | 08/31/2004 |
| 6746596 | Process for reducing sulphur emissions from a fluidized bed coke burner The process has to do with a circuit involving a fluidized bed coker reactor working in tandem with a fluidized bed coke burner. The burner is operated at a reduced temperature in the range 550° C.-630° C. Simultaneously, the coke circulation rate is increased to ... | 06/08/2004 |
| 6352638 | Two-stage process for converting residua to gasoline blendstocks and light olefins A two-stage process for converting petroleum residua and other low value oils to high valued gasoline blendstocks and light olefins. The first stage is comprised of a thermal process unit containing a reaction zone comprised of a horizontal moving bed of ... | 03/05/2002 |
| 6344429 | Oil soluble coking additive, and method for making and using same A method for making an oil soluble coking process additive, includes the steps of: providing mixture of a metal salt in water wherein the metal salt contains a metal selected from the group consisting of alkali metals, alkaline earth metals and mixtures t... | 02/05/2002 |
| 6258988 | Method for reforming organics into shorter-chain unsaturated organic compounds A method is disclosed for reforming organics into shorter-chain unsaturated organic compounds. A molten metal bath is provided which can cause homolytic cleavage of an organic component of an organic-containing feed. The feed is directed into the molten m... | 07/10/2001 |
| 6190537 | Method for producing fuel distillates Methods for producing fuel distillates used as raw material in the production of fuel for engines or jet engines. The invention involves mixing residual petroleum raw material (oil fuel, tar) with sapropelite and with a fraction of thermo-cracking or hydr... | 02/20/2001 |
| 6160192 | Steam cracking installation and method with single controlled injection of solid particles in a quenching exchanger A steam-cracking unit and a steam-cracking process with controlled injection of solid particles in a quenching exchanger (3) is described. The particles are injected through a single axial injection pipe that is arranged on the axis of input cone (2) of t... | 12/12/2000 |
| 6113777 | Direct turn separator for particles in a gaseous mixture and its use for fluidized bed thermal or catalytic cracking A separator and process for separating particles from a gaseous mixture wherein the separator includes: at least one chamber comprising a zone (1) which forms a rectangular or square cross section for passage of the mixture circulating in a tube reactor (... | 09/05/2000 |
| 6045688 | Method based on a fluidized-bed reactor for converting hydrocarbons The invention relates ro a method of converting hydrocarbons. According to the method, a gaseous or liquid hydrocarbon feed is passed into a circulating fluidized-bed reactor, wherein the feed is converted at a high temperatue under the influence of parti... | 04/04/2000 |
| 6010619 | FCC process with zeolite and hydrotalcite Crystalline materials having increased mechanical strength and improved chemical properties are provided by incorporating carbonate by contact treatment with carbon dioxide (CO2) to modify the alkaline earth oxide morphology. Alkaline earth-con... | 01/04/2000 |
| 5997726 | Method for fluid catalytic cracking of hydrocarbon feedstock A hydrocarbon catalytic cracking process in which, a substantial portion of the hydrocarbons is pulverized and placed in contact with a specific contact zone, which is composed of: a mixing chamber having a maximum section S2, the upper part of... | 12/07/1999 |
| 5972206 | Flexible steam cracking process and corresponding steam cracking facility A flexible steam cracking process for hydrocarbon feeds comprises injection of particles with an average size of between 0.02 mm and 4 mm, at a circulation rate in indirect transfer line exchangers (4) of 20 to 180 m/s, and in a sufficient quantity to lim... | 10/26/1999 |
| 5965013 | Steam cracking method and plant using controlled injection of solid particles into a quenching exchanger A facility and a process for steam cracking include controlled injection of solid particles into a transfer line exchanger (3). The particles are injected via injection lines, numbering between 1 and 8, just upstream of an impact-diffuser (6) comprising s... | 10/12/1999 |
| 5961786 | Apparatus for a circulating bed transport fast pyrolysis reactor system This invention generally relates to a new method and apparatus for the fast pyrolysis of carbonaceous materials involving rapid mixing, high heat transfer rates, precisely controlled short uniform residence times and rapid primary product quench in an upf... | 10/05/1999 |
| 5952539 | Dual process for obtaining olefins A process for producing normally gaseous olefins from two different process units sharing common downstream quench and fractionation facilities, wherein one of the process units is a short contact time mechanically fluidized vaporization unit for processi... | 09/14/1999 |
| 5914027 | Thermo-mechanical cracking and hydrogenation A method for thermo-mechanical cracking and hydrogenation of chemical substances such as hydrocarbons in liquid or solid form, waxes, carbonates, lime, oil-shale, oil-sand, oily residue from refineries and crude tank bottoms, plast and the like. The crack... | 06/22/1999 |
| 5879536 | Two-stage process for obtaining significant olefin yields from residua feedstocks A two-stage process for obtaining a substantial amount of olefinic product from a residua feedstock. The first stage is comprised of a thermal process unit containing a reaction zone comprised of a horizontal moving bed of fluidized hot particles operated... | 03/09/1999 |
| 5879535 | Two-stage process for obtaining significant olefin yields from residua feedstocks A two-stage process for obtaining a substantial amount of olefinic product from a residua feedstock. The first stage is comprised of a thermal process unit containing a reaction zone comprised of a horizontal moving bed of fluidized hot particles operated... | 03/09/1999 |
| 5820747 | Steam cracking process and facility comprising injection of powder which is collected at a single point A steam cracking process and facility is described which comprises injection of erosive powder to effect at least partial decoking of transfer line exchangers without interrupting the steam cracking stream. The powder, preferably injected just upstream of... | 10/13/1998 |
| 5795464 | Conversion of the organic component from tar sands to lower boiling products A process for the thermal conversion of the organic component associated with tar sands to lower boiling, higher value products. The conversion is achieved by subjecting the organic component containing from about 1 to 20 wt. % native solids to elevated t... | 08/18/1998 |
| 5792340 | Method and apparatus for a circulating bed transport fast pyrolysis reactor system This invention generally relates to a new method and apparatus for the fast pyrolysis of carbonaceous materials involving rapid mixing, high heat transfer rates, precisely controlled short uniform residence times and rapid primary product quench in an upf... | 08/11/1998 |
| 5681450 | Reduced chaos cyclone separation A cyclone and process for fluidized catalytic cracking of heavy oils is disclosed. Gas and entrained solids are added around a clean gas outlet tube in a cyclone body. Solids and some gas are withdrawn via a solids outlet and discharged into a catch chamb... | 10/28/1997 |
| 5676711 | Oil conversion process An improved process for producing a low-sulfur fuel oil or gas from used oil and finely divided coal. After mixing, the coal/oil slurry is heated within a pressure vessel to a temperature of approximately 850° F. and the pressure increased to approximate... | 10/14/1997 |
| 5501789 | Process for improved contacting of hydrocarbon feedstock and particulate solids A process wherein a fluidized particulate solid is contacted with a hydrocarbon feedstock in a vertically extending contacting zone, which process comprises introducing a stream of the particulate solid into the contacting zone and introducing a plurality... | 03/26/1996 |
| 5466361 | Process for the disposal of aqueous sulfur and caustic-containing wastes Aqueous sulfur and caustic component-containing waste streams are disposed of in an environmentally acceptable manner employing a process featuring integrated coking and gasification operations.... | 11/14/1995 |
