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| Number | Title | Issue Date |
| 8163247 | Process for upgrading FCC product with additional reactor with catalyst recycle A process is disclosed for contacting feed with mixed catalyst in a secondary reactor that is incorporated into an FCC reactor. The mixed catalyst used in the secondary reactor is regenerated catalyst from a regenerator that regenerates spent catalyst from an FCC re... | 04/24/2012 |
| 8158070 | Apparatus for hydroprocessing two streams 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 |
| 8124020 | Apparatus 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— hydroc... | 02/28/2012 |
| 8110090 | Deasphalting of gas oil from slurry hydrocracking Integrated slurry hydrocracking (SHC) and solvent deasphalting (SDA) methods for making slurry hydrocracking (SHC) distillates are disclosed. Representative methods involve passing a slurry comprising a vacuum column resid, a recycled, deasphalted oil obtained from ... | 02/07/2012 |
| 8066867 | Combination of mild hydrotreating and hydrocracking for making low sulfur diesel and high octane naphtha Methods are disclosed for the hydrotreating and hydrocracking of highly aromatic distillate feeds such as light cycle oil (LCO) to produce ultra low sulfur gasoline and diesel fuel. Optimization of hydrotreater severity improves the octane quality of the gasoline or... | 11/29/2011 |
| 8062507 | Stripping process with multi-sloped baffles A process for stripping gases from catalyst material in which catalyst travels down baffles at a first acute angle and then at a second acute angle on the same baffle. Traveling down the baffle at the second angle assures the catalyst will cross a downcomer channel ... | 11/22/2011 |
| 8038869 | Integrated process for upgrading a vapor feed Processes and systems are provided for removing contaminants from a vapor stream containing hydrocarbon and hydrogen, and can include: providing a feed stream to a first pressurized vapor liquid separator that produces a liquid stream and a vapor stream containing h... | 10/18/2011 |
| 8025793 | Process for using catalyst with rapid formation of iron sulfide 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... | 09/27/2011 |
| 8007729 | Apparatus for feed preheating with flue gas cooler Hydrocarbon feed to a catalytic reactor can be heat exchanged with flue gas from a catalyst regenerator. This innovation enables recovery of more energy from flue gas thus resulting in a lower flue gas discharge temperature. As a result, other hot hydrocarbon stream... | 08/30/2011 |
| 8007662 | Direct feed/effluent heat exchange in fluid catalytic cracking Fluid catalytic cracking (FCC) processes are described, in which hydroprocessed hydrocarbon streams or other hydrocarbon feed streams having a low coking tendency are subjected to direct heat exchange with the FCC reactor effluent, for example in the FCC main column... | 08/30/2011 |
| 7841304 | Apparatus for steam heat recovery from multiple heat streams Disclosed is an apparatus and process for recovering heat from multiple hot process streams without multiplying instrumentation. Each hot process stream is indirectly heat exchanged with a water circuit which leaves and feeds a steam drum. Heat is added to the steam... | 11/30/2010 |
| 7763165 | Fractionation recovery processing of FCC-produced light olefins Processing schemes and arrangements are provided for the processing a heavy hydrocarbon feedstock via hydrocarbon cracking processing with selected hydrocarbon fractions being obtained via fractionation-based product recovery. ... | 07/27/2010 |
| 7708956 | Combination hot separator and reactor vessel for simultaneously desulfurizing two vapor streams A method and an apparatus for removing sulfur hydrocarbon compounds from a naphtha stream and for simultaneously removing sulfur hydrocarbon compounds from two streams is described. A separator vessel having a top, a bottom, a primary feed inlet and a co-feed inlet ... | 05/04/2010 |
| 7687048 | Amine treatment in light olefin processing Processing schemes and arrangements for the amine treatment of high olefin content (e.g., ethylene-rich) carbon dioxide-containing streams such as for the effective separation and removal of carbon dioxide therefrom are provided. Corresponding or associated processi... | 03/30/2010 |
| 7682576 | Apparatus for recovering power from FCC product Disclosed is an apparatus for recovering power from an FCC product. The dry gas is combusted and combined with FCC regenerator flue gas to raise the power recovery capability of the flue gas. The flue gas can be used to generate electrical power or steam. Alternativ... | 03/23/2010 |
| 7677300 | Method for making brazed heat exchanger and apparatus Disclosed is a heat exchanger comprising a boiling passage and cooling passage defined by opposite sides of metal walls. Layers of brazing material between the metal walls and a spacer member bond components of the heat exchanger together. An enhanced boiling layer ... | 03/16/2010 |
| 7622034 | 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... | 11/24/2009 |
| 7622033 | Residual oil coking scheme A coking process and apparatus may include cracking a hydrocarbon feed stream with a catalyst, generating a hot flue gas from regenerating said catalyst, directing the hot flue gas into a spray contactor, spraying a heavy residual oil into the spray contactor, and c... | 11/24/2009 |
| 7601309 | Metathesis unit pretreatment process with formation of octene Disclosed is a process for integrating a butene dimerization process with a metathesis process to remove isobutene from the feed stream to the metathesis reactor. The isobutene is preferentially dimerized in the dimerization process to leave n-butenes for metathesis... | 10/13/2009 |
| 7528290 | Apparatuses and methods for separating butene-1 from a mixed C feed A process is disclosed for recovering 1-butene from a feed steam comprising n-butane, isobutane and butene isomers using a single, divided wall distillation column. The disclosed process includes introducing the feed steam into an inlet of a first side of a distilla... | 05/05/2009 |
| 7326333 | Apparatus and process for extracting sulfur compounds from a hydrocarbon stream Described is an apparatus and process for extracting sulfur compounds from a hydrocarbon stream. A prewash section for converting hydrogen sulfide to sodium sulfide by reaction with an alkali such as caustic communicates with an extractor section disposed directly a... | 02/05/2008 |
| 7268267 | Alkylation process using UZM-8 zeolite A process for the alkylation of aromatics with olefins using a solid catalyst bed containing UZM-8 zeolite is disclosed. A polyalkylated aromatic is passed to the catalyst bed to reduce the concentration of the olefin at alkylation conditions. A portion of the efflu... | 09/11/2007 |
| 7267746 | Dividing wall distillation column control apparatus A control apparatus and control method for controlling the separation in a dividing wall distillation column of at least two feeds into at least three products is disclosed. The apparatus uses a temperature measuring device to measure the temperature of fluid in the... | 09/11/2007 |
| 7262147 | Method for preparing dehydrocyclodimerization catalyst This invention relates to a process for reactivating a dehydrocyclodimerization catalyst. Dehydrocyclodimerization catalysts which contain an aluminum phosphate binder can be deactivated when they are exposed to hydrogen at temperatures above 500° C. The instant pr... | 08/28/2007 |
| 7223332 | Reactor and process for mercaptan oxidation and separation in the same vessel The present invention is an apparatus and process for oxidizing mercaptans in a preferably kerosene stream. By using a catalyst promoter, sufficient separation of hydrocarbon and aqueous alkali occurs in the reactor vessel to obviate the need for a settling tank. He... | 05/29/2007 |
| 7205448 | Process for the removal of nitrogen compounds from a fluid stream At lower temperatures an acidic molecular sieve adsorbent preferentially adsorbs water and basic organic nitrogen compounds over weakly basic organic nitrogen compounds such as nitrites. Elevated temperatures improve the capacity of acidic molecular sieve adsorbents... | 04/17/2007 |
| 7189885 | Staged process for producing linear 2-phenyl-alkanes The process disclosed herein is a process for producing phenyl-alkanes by alkylation of an aryl compound with an olefinic compound and which uses a mordenite catalyst and a silica-alumina catalyst. The selectivity of the process to 2-phenyl-alkanes can be varied ove... | 03/13/2007 |
| 7186328 | Process for the regeneration of an adsorbent bed containing sulfur oxidated compounds A process for the cyclical regeneration of an adsorbent bed containing sulfur-oxidated compounds. The adsorbent bed is used to adsorb and separate sulfur-oxidated compounds from a hydrocarbonaceous stream to produce an adsorbent having adsorbed sulfur-oxidated compo... | 03/06/2007 |
| 7179434 | Integrated apparatus for aromatics production Enabling a transalkylation process to handle both C10 alkylaromatics and unextracted toluene permits the following improvements to be realized. No longer extracting toluene allows a reformate-splitter column to be eliminated. The extraction unit can be mo... | 02/20/2007 |
| 7169293 | Controllable space velocity reactor and process Disclosed is an apparatus and process for controlling space velocity in a fluidized catalytic conversion reactor. The catalyst flux rate can be adjusted during the process of the reaction to adjust the space velocity and maintain a fast fluidized flow regime therein... | 01/30/2007 |
| 7150860 | Process and apparatus for quick feed contacting with immediate vapor disengagement An apparatus and process in which a catalyst nozzle and a feed nozzle are joined together at a joint in a reactor vessel that contains a disengaging transport conduit in communication with a separator. An inlet to the transport conduit is disposed vertically higher ... | 12/19/2006 |
| 7141701 | Decomposition of cumene hydroperoxide A process for decomposing a cumene oxidation product mixture containing cumene hydroperoxide (CHP) and dimethylphenolcarbinol (DMPC) to produce phenol and acetone. ... | 11/28/2006 |
| 7141700 | Decomposition of cumene hydroperoxide A process for the decomposition of a cumene oxidation product mixture to produce phenol and acetone with reduced by-product formation by introducing the cumene oxidation mixture into an inlet of a decomposing vessel containing indirect heat exchange surfaces wherein... | 11/28/2006 |
| 7135151 | Apparatus for feed contacting with immediate catalyst separation A particular arrangement of an FCC unit creates an immediate and sustained gravity separation of catalyst and hydrocarbon vapors in short contact time cracking operation. A transverse feed contactor ejects the mixture of catalyst and hydrocarbon vapors transversely ... | 11/14/2006 |
| 7128828 | Process for producing food grade wax A process for producing food grade wax which contains exceedingly low levels of nitrogen, sulfur and aromatic compounds. A waxy feedstock is firstly hydrotreated in a first hydrogenation zone to reduce the level of contaminants such as sulfur, nitrogen and aromatic ... | 10/31/2006 |
| 7125529 | Apparatus and process for reacting over two catalyst beds Disclosed is a process for reacting feed in and an apparatus comprising a radial flow reactor including a first catalyst bed disposed between an outer wall and a centerpipe of the vessel and a second catalyst bed disposed within a centerpipe. Also disclosed is a met... | 10/24/2006 |
| 7118715 | Stripping process with disproportionately distributed openings on baffles A baffle-style stripper for an FCC process comprising sloped baffles in which a greater volumetric flow rate of stripping medium permeates openings in a bottom section of the baffle than through a top section of the baffle for low catalyst flux stripping operations.... | 10/10/2006 |
| 7108779 | Hydrocarbon desulfurization process A process for the production of low sulfur hydrocarbonaceous products. The hydrocarbon feedstocks are processed in integrated desulfurization zone, hydrocracking and hydrogenation zones to produce ultra low sulfur diesel, low sulfur naphtha products and low sulfur h... | 09/19/2006 |
| 7101474 | Method and process with refractory shelf for hydrodynamic mixing zone A shelf is incorporated into a typical FCC riser that permits the tips of the nozzles to extend past the wall of the riser while preventing the tips from promoting coke build-up and protecting the tips from erosion. The shelf can be part of an angled section that of... | 09/05/2006 |
| 7097760 | Hydrocarbon process for the production of ultra low sulfur diesel A catalytic hydrocracking process for the production of ultra low sulfur diesel wherein a hydrocarbonaceous feedstock is hydrocracked at elevated temperature and pressure to obtain conversion to diesel boiling range hydrocarbons. The resulting hydrocracking zone eff... | 08/29/2006 |
