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| Number | Title | Issue Date |
| 8173856 | Process for reducing corrosion One exemplary embodiment can be a process for reducing corrosion during removal of one or more sulfur-containing hydrocarbons from a gas. Generally, the process includes producing an effluent including a caustic, one or more hydrocarbons, one or more sulfur compound... | 05/08/2012 |
| 8173567 | Process for regenerating catalyst Disclosed is a catalyst distributor and process for spreading catalyst over a regenerator vessel. Nozzles disposed angular to a header of the distributor spread catalyst throughout a full cross section of the catalyst bed. ... | 05/08/2012 |
| 8173009 | Process for improving a hydrotreated stream One exemplary embodiment can be a process for improving a hydrotreated stream for lubricating a machine. The hydrotreated stream can include an effective amount of one or more saturated hydrocarbons. Generally, the process includes hydrogenating the hydrotreated str... | 05/08/2012 |
| 8158069 | Apparatus for mild hydrocracking An apparatus is disclosed for hydroprocessing two hydrocarbon streams at two different pressures. A hydrogen stream is compressed and split. A first split compressed stream is further compressed to feed a first hydroprocessing unit that requires higher pressure for ... | 04/17/2012 |
| 8137631 | Unit, system and process for catalytic cracking One exemplary embodiment can be a fluid catalytic cracking unit. The fluid catalytic cracking unit can include a first riser, a second riser, and a disengagement zone. The first riser can be adapted to receive a first feed terminating at a first reaction vessel havi... | 03/20/2012 |
| 8137534 | Catalyst compositions for improved fluid catalytic cracking (FCC) processes targeting propylene production Catalyst compositions comprising a siliceous zeolite component, either in separately formed catalyst particles or dispersed in the same binder or matrix as other zeolites of the compositions, are described. The catalyst compositions, for example as blends of three d... | 03/20/2012 |
| 8133446 | Apparatus for producing hydrocarbon fuel Slurry hydrocracking a heavy hydrocarbon feed produces a HVGO stream and a pitch stream. At least a portion of the pitch stream is subjected to SDA to prepare a DAO stream low in metals. The DAO is blended with at least a portion of the HVGO stream to provide turbin... | 03/13/2012 |
| 8128879 | Apparatus for increasing weight of olefins The apparatus converts FCC olefins to heavier compounds. The heavier compounds are more easily separated from the unconverted paraffins. The heavier compounds can be recycled to an FCC unit or delivered to a separate FCC unit. Suitable conversion zones are oligomeri... | 03/06/2012 |
| 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 alumina to form a heavy hydrocarbon slurry and hydrocracked to produce ligh... | 03/06/2012 |
| 8128807 | FCC separator without a reactor This invention is directed to a process for fluid catalytic cracking, including, fluidizing a hydrocarbon stream in a riser, cracking the hydrocarbon stream with catalyst in the riser to produce a cracked stream and spent catalyst, separating the cracked stream and ... | 03/06/2012 |
| 8124822 | Process for preventing metal catalyzed coking A process and apparatus is described in which a sulfiding agent is added to a catalytic conversion reactor to prevent metal catalyzed coking. The catalytic reactor may be downstream from a first fluid catalytic cracking reactor that provides C10-hydrocarb... | 02/28/2012 |
| 8124034 | Alkylation unit and method of modifying One exemplary embodiment can be a method of modifying an alkylation unit to increase capacity. The method may include combining a first alkylation zone with a second alkylation zone. Generally, the first alkylation zone includes a first settler having a height and a... | 02/28/2012 |
| 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 alumina to form a heavy hydrocarbon slurry and hydrocracked to produce ligh... | 02/28/2012 |
| 8110092 | Process for recovering power from FCC product Disclosed is a process for recovery power from an FCC product. Gaseous hydrocarbon product from an FCC reactor is heat exchanged with a heat exchange media which is delivered to an expander to generate power. Cycle oil from product fractionation may be added to the ... | 02/07/2012 |
| 8066868 | Fluid catalytic cracking to produce and recover light olefins Processing schemes and arrangements are provided for the processing a heavy hydrocarbon feedstock via fluidized catalytic cracking with selected hydrocarbon fractions including light olefins being obtained via absorption and separation product recovery. ... | 11/29/2011 |
| 8062509 | Process, system and facility for desorbing One exemplary embodiment can be a process for desorbing one or more polynuclear aromatics from at least one fraction from a hydrocracking zone using an adsorption zone. The adsorption zone can include first and second vessels. Generally, the process includes passing... | 11/22/2011 |
| 8062506 | Process for contacting high contaminated feedstocks with catalyst in an FCC unit An FCC process comprising an enlarged riser section and a distributor in an elevated position and with an opening in its tip away from riser walls may reduce coke build-up along the interior walls of a riser. Catalytic mixing may be improved, which could reduce rise... | 11/22/2011 |
| 8062505 | Process for using iron oxide and alumina catalyst with large particle diameter 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 alumina to form a heavy hydrocarbon slurry and hydrocracked to produce ligh... | 11/22/2011 |
| 8028975 | Separation vessel or part thereof, and process relating thereto One exemplary embodiment can be a stack for a separation vessel adapted to receive a fluid having one or more phases. The stack may include one or more walls surrounding a void, a packed bed positioned within the void, and a distributor positioned above the packed b... | 10/04/2011 |
| 8021620 | Apparatus for oligomerizing dilute ethylene The process and apparatus converts ethylene in a dilute ethylene stream that may be derived from an FCC product to heavier hydrocarbons. The catalyst may be an amorphous silica-alumina base with a Group VIII and/or VIB metal. The catalyst is resistant to feed impuri... | 09/20/2011 |
| 8008534 | Liquid phase hydroprocessing with temperature management A method of hydroprocessing hydrocarbons is provided using a substantially liquid-phase reactor having first and second catalyst beds with a heat transfer section positioned therebetween. The first and second catalyst beds and the heat transfer section are combined ... | 08/30/2011 |
| 8007728 | System, apparatus, and process for cracking a hydrocarbon feed One exemplary embodiment can be a fluid catalytic cracking system. The fluid catalytic cracking system can include a reaction zone including a riser having a top and a bottom adapted to receive spent catalyst at a first elevation and regenerated catalyst at a second... | 08/30/2011 |
| 8007661 | Modified absorption recovery processing of FCC-produced light olefins Processing schemes and arrangements are provided arrangements are provided for the processing a heavy hydrocarbon feedstock via hydrocarbon cracking processing with selected hydrocarbon fractions being obtained via absorption-based product recovery while minimizing ... | 08/30/2011 |
| 7993514 | Removal of peroxide impurities from naphtha stream A method and apparatus for removing peroxides from an exposed naphtha stream is shown and described. The process includes the catalytic reactive oxygen stripping of peroxides thereby generating hydrocarbons and oxygen. Numerous conventional catalysts may be employed... | 08/09/2011 |
| 7981256 | Splitter with multi-stage heat pump compressor and inter-reboiler A splitter system is disclosed that produces a product stream from a mixed stream of two materials with similar boiling points. A multi-stage heat pump compressor is used in combination with a bottoms reboiler and an intermediate reboiler resulting in reduced utilit... | 07/19/2011 |
| 7973209 | Fractionation recovery processing of light olefins free of carbon dioxide Processing schemes and arrangements for the catalytic cracking of a heavy hydrocarbon feedstock and obtaining light olefins substantially free of carbon dioxide via amine treatment and employing fractionation processing are provided. ... | 07/05/2011 |
| 7972565 | Stripping apparatus with multi-sloped baffles An apparatus for stripping gases from catalyst material comprises baffles having a second face that extends toward a downcomer channel between baffles to spread catalyst out on adjacent baffles for better contact with stripping gas. ... | 07/05/2011 |
| 7972563 | Alkylation system with catalyst transfer A system for alkylating hydrocarbons which includes an improved method of safely handling alkylation catalyst is disclosed. The process includes passing the alkylation catalyst from a settler vessel to a catalyst receiving vessel, via a catalyst cooler, for containm... | 07/05/2011 |
| 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 hydrotreating zone and a hydrocracking zone. In one aspect, the proce... | 05/31/2011 |
| 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 production. The dividing wall separation column desirably splits a naphtha fee... | 05/24/2011 |
| 7947230 | Apparatus for regenerating catalyst Disclosed is a catalyst distributor and process for spreading catalyst over a regenerator vessel. Nozzles disposed angular to a header of the distributor spread catalyst throughout a full cross section of the catalyst bed. ... | 05/24/2011 |
| 7946442 | Clasp One exemplary embodiment can be a clasp for securing a man-way cover in a vessel. The clasp can include a hinged member. Generally, the hinged member has a first position for securing the man-way cover and a second position for unsecuring the man-way cover. ... | 05/24/2011 |
| 7935320 | Alkylation process with recontacting in settler A system and/or process for decreasing the level of at least one organic fluoride present in a hydrocarbon phase contained in an alkylation settler by contacting the hydrocarbon phase with an HF containing stream, containing greater than about 80 wt. % and less than... | 05/03/2011 |
| 7935314 | Apparatus for mixing regenerated and carbonized catalyst An apparatus for mixing regenerated and carbonized catalyst involves obstructing upward flow of catalyst by one or more baffles between a catalyst inlet and a feed distributor. Each catalyst stream may be passed to opposite sides of a riser. Baffles obstruct upward ... | 05/03/2011 |
| 7915191 | Three-stage counter-current FCC regenerator This invention is directed to a method and apparatus for regenerating a catalyst used in an FCC unit, including providing a spent catalyst into an upper portion of a regenerator, maintaining a calcination phase, a gasification phase, and a combustion phase of fluidi... | 03/29/2011 |
| 7914666 | Low NOFCC catalyst regeneration process An FCC process producing lower NOx emissions during regeneration by using excess oxygen levels at less than or equal to about 0.5 mol-% and a plenum temperature above about 730° C. (about 1350° F.). The process may further include limiting the Pt content in the ca... | 03/29/2011 |
| 7914610 | Stripping process In an FCC process in which swirl arms are used to discharge gas and catalyst from a riser, a baffle is used to direct descending catalyst away from a wall of a disengaging vessel proximate a stripping section comprising elongated strips of metal. ... | 03/29/2011 |
| 7906700 | Alkylation of isobutene feeds A process for alkylating isobutene by introducing a feed containing isobutene and an isoparaffin, in the form of droplets, into an acid catalyst to produce an alkylation product, wherein the Sauter mean diameter of the droplets is greater than or equal to about 150 ... | 03/15/2011 |
| 7906077 | FCC process with spent catalyst recycle Disclosed is an FCC apparatus and process in which spent catalyst is recycled to the base of the riser to contact fresh feed through a passage disposed within the riser. ... | 03/15/2011 |
| 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 distillate preferably obtained from a mild hydrocracking unit. In one aspect, ... | 03/15/2011 |
