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| Number | Title | Issue Date |
| 7594990 | Hydrogen donor solvent production and use in resid hydrocracking processes A process derived hydrogen donor solvent is used to increase the maximum resid conversion and conversion rate in an ebullated bed resid hydrocracker. The hydrogen donor solvent precursor is produced by hydroreforming reactions within the resid hydrocracker, recovere... | 09/29/2009 |
| 7303664 | Delayed coking process for producing free-flowing coke using a metals-containing additive A delayed coking process for making substantially free-flowing coke, preferably shot coke. A coker feedstock, such as a vacuum residuum, is heated in a heating zone to coking temperatures then conducted to a coking zone wherein volatiles are collected overhead and c... | 12/04/2007 |
| 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 |
| 7247232 | Energy source using hydrogenated vegetable oil diluted into diesel fuel An alternative fuel source, preferably for use in a boiler, is provided. The fuel source is comprised of a partially hydrogenated vegetable oil and diesel fuel. Preferably, the partially hydrogenated vegetable oil has a Iodine Value (IV) ranging from approximately 5... | 07/24/2007 |
| 7201837 | Energy source using hydrogenated vegetable oil diluted into diesel fuel An alternative fuel source, preferably for use in a boiler, is provided. The fuel source is comprised of a partially hydrogenated vegetable oil and diesel fuel. Preferably, the partially hydrogenated vegetable oil has a Iodine Value (IV) ranging from approximately 5... | 04/10/2007 |
| 7166237 | Pitch-based carbon foam heat sink with phase change material A process for producing a carbon foam heat sink is disclosed which obviates the need for conventional oxidative stabilization. The process employs mesophase or isotropic pitch and a simplified process using a single mold. The foam has a relatively uniform distributi... | 01/23/2007 |
| 7157019 | Pitch-based carbon foam heat sink with phase change material A process for producing a carbon foam heat sink is disclosed which obviates the need for conventional oxidative stabilization. The process employs mesophase or isotropic pitch and a simplified process using a single mold. The foam has a relatively uniform distributi... | 01/02/2007 |
| 7147214 | Humidifier for fuel cell using high conductivity carbon foam A method and apparatus of supplying humid air to a fuel cell is disclosed. The extremely high thermal conductivity of some graphite foams lends itself to enhance significantly the ability to humidify supply air for a fuel cell. By utilizing a high conductivity pitch... | 12/12/2006 |
| 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 |
| 7070755 | Pitch-based carbon foam and composites and use thereof A thermally conductive carbon foam is provided, normally having a thermal conductivity of at least 40 W/m·K. The carbon foam usually has a specific thermal conductivity, defined as the thermal conductivity divided by the density, of at least about 75 W·cm3 | 07/04/2006 |
| 7067053 | Additives for improving thermal conversion of heavy crude oil A process for upgrading a heavy crude oil includes the steps of providing a heavy crude oil; and exposing the heavy crude oil to residue conversion conditions in the presence of a free radical generator and a hydrogen donor, whereby the free radical generator enhanc... | 06/27/2006 |
| 7014151 | Pitch-based carbon foam heat sink with phase change material A process for producing a carbon foam heat sink is disclosed which obviates the need for conventional oxidative stabilization. The process employs mesophase or isotropic pitch and a simplified process using a single mold. The foam has a relatively uniform distributi... | 03/21/2006 |
| 6919016 | Process for the utilization of refinery C4 streams A process is disclosed for preparing a C4 stream for feeding to an alkylation process which reacts isobutane with butene to produce isooctane. The C4 stream is treated in a first distillation column reactor to remove dienes and mercaptans and s... | 07/19/2005 |
| 6147126 | Gas conversion using hydrogen from syngas gas and hydroconversion tail gas A gas conversion process including catalytic hydrocarbon synthesis from a synthesis gas comprising a mixture of H2 and CO, produces hydrogen from the synthesis gas and upgrades synthesized hydrocarbons by one or more hydroconversion operations ... | 11/14/2000 |
| 6043288 | Gas conversion using synthesis gas produced hydrogen for catalyst rejuvenation and hydrocarbon conversion A gas conversion process in which both hydrocarbons and hydrogen are produced from a synthesis gas feed which comprises a mixture of H2 and CO, uses hydrogen from a portion of the feed for one or more of (i) hydrocarbon synthesis catalyst rejuv... | 03/28/2000 |
| 5460714 | Liquid phase catalytic hydrocarbon hydroconversion with polyaromatic additive The invention involves the liquid phase hydroconversion of hydrocarbon charges containing heavy fractions, and more particularly their deep conversion, in which the charge is contacted with a dispersed catalyst in the presence of a polyaromatic additive. ... | 10/24/1995 |
| 5395511 | Process for converting heavy hydrocarbon oil into light hydrocarbon fuel A process is provided for converting a heavy hydrocarbon oil into light hydrocarbon fuels by thermal cracking or hydrocracking, which comprises adding to about 100 parts by weight of the heavy hydrocarbon oil feedstock (A) about 0.1 to 50 parts by weight ... | 03/07/1995 |
| 5332489 | Hydroconversion process for a carbonaceous material This invention relates to a process for converting a carbonaceous material to a liquid product using a hydrogen donor solvent. More specifically, this invention relates to a process for hydroconverting carbonaceous material in which a 400°-1000° F. hydr... | 07/26/1994 |
| 4966679 | Method for hydrocracking heavy fraction oils A method for hydrocracking a heavy fraction oil which comprises cracking a heavy fraction oil in the coexistence of a catalyst and a hydrogen donating solvent such as tetralin while adding a hydrogen-containing gas to the cracking reactor thereby inhibiti... | 10/30/1990 |
| 4931165 | Process for refractory compound rejection from a hydrocracker recycle liquid A catalytic hydrocracking process which comprises: (a) contacting a hydrocarbonaceous feedstock having a propensity to form heavy polynuclear aromatic compounds and a liquid recycle stream in a hydrocracking zone to convert a substantial portion of the hy... | 06/05/1990 |
| 4892644 | Upgrading solvent extracts by double decantation and use of pseudo extract as hydrogen donor A solvent extract obtained from a conventional hydrocarbon oil solvent extraction process, e.g., one employing furfural as the extraction solvent, is cooled to a temperature providing, following a secondary decantation of the cooled extract, a pseudo raff... | 01/09/1990 |
| 4857168 | Method for hydrocracking heavy fraction oil A method for hydrocracking a heavy fraction oil characterized by cracking a heavy fraction oil in the presence of a hydrogen donating solvent and hydrogen gas and circulating a fraction having a specific boiling range as the circulating solvent through th... | 08/15/1989 |
| 4836909 | Process of thermally cracking heavy petroleum oil A process of thermally cracking a heavy petroleum oil wherein the heavy petroleum oil is treated successively in a cracking furnace and then in a perfect mixing type tank reactor. The thermal cracking in the cracking furnace is performed at a temperature ... | 06/06/1989 |
| 4814065 | Accelerated cracking of residual oils and hydrogen donation utilizing ammonium sulfide catalysts Disclosed is a method for accelerating the exchange of hydrogen between a hydrogen donor and a petroleum resid to be subjected to cracking, visbreaking, or coking. Acceleration is effected by incorporating an aqueous solution of ammoniun sulfide into the ... | 03/21/1989 |
| 4661241 | Delayed coking process A delayed coking process having improved liquid yield and liquid product distribution relative to coke yield is characterized by the absence of heavy recycle. The coker feedstock is heated in the coker furnace and led to the coker drums where coking takes... | 04/28/1987 |
| 4640762 | Process for improving the yield of distillables in hydrogen donor diluent cracking A process is disclosed for converting a heavy hydrocarbon oil feedstock to produce a high yield of lower-boiling hydrocarbons, wherein a residuum fraction of the effluent from a hydrogen donor diluent hydrocracking reactor is deasphalted using a low-boili... | 02/03/1987 |
| 4640765 | Method for cracking heavy hydrocarbon oils A method for cracking a heavy fraction oil is provided in which is solved a problem as to an increase in pressure loss due to coking in a cracking tower during the treatment of heavy fraction oils containing at least 1.0 wt. % of asphaltene. The cracking ... | 02/03/1987 |
| 4615791 | Visbreaking process Heavy petroleum oils such as resids are subjected to visbreaking in the presence of a hydroaromatic hydrogen donor solvent having an aromatic and alpha-to-aromatic proton content each of at least 20 percent of the total solvent hydrogen. The amount of don... | 10/07/1986 |
| 4604185 | Co-processing of straight run vacuum resid and cracked residua Vacuum resid and cracked residuum such as decant oil or thermal tar are processed together to reduce the ultimate yield of coke, asphalt and fuel oil. The vacuum resid is donor cracked, and the donor cracker effluent is quenched with decant oil or thermal... | 08/05/1986 |
| 4604186 | Process for upgrading residuums by combined donor visbreaking and coking A process for upgrading petroleum residuums by hydrogen diluent donor visbreaking employs coking of a higher boiling fraction of the visbreaker effluent wherein the hydrogen donor is also supplied to the coker feed either by excess feed to the visbreaker ... | 08/05/1986 |
| 4592830 | Hydrovisbreaking process for hydrocarbon containing feed streams A hydrogen donor solvent selected from the group consisting of a full range crude oil and an atmospheric topped crude oil is used in a hydrovisbreaking process. The heavy fraction being processed is heated in the presence of hydrogen and the solvent under... | 06/03/1986 |
| 4585545 | Process for the production of aromatic fuel An aromatic gasoline component is prepared in a multi-step petroleum refining process starting with a heavy carbometallic petroleum fraction which is catalytically cracked to yield a light catalytic cycle oil which, in turn, is mildly hydrogenated to prod... | 04/29/1986 |
| 4514282 | Hydrogen donor diluent cracking process Heavy hydrocarbonaceous oil is cracked by hydrogen donor diluent cracking, and pitch from the donor cracking step is recycled. The pitch is catalytically hydrotreated before it is recycled. Hydrotreating the pitch enables complete conversion of the 950° ... | 04/30/1985 |
| 4504378 | Sodium tetrachloroaluminate catalyzed process for the molecular weight reduction of liquid hydrocarbons A process for reducing the molecular weight of hydrocarbons using NaAlCl4 is provided wherein the hydrogen to carbon ratio of the product slate is approximately the same as the feed material, comprising contacting the feed material with a molte... | 03/12/1985 |
| 4500415 | Process of converting non-distillable residues of mixed-base or paraffin-base crude hydrocarbon oils A process is disclosed for converting a non-distillable residue of a mixed-base or paraffin-base crude hydrocarbon oil to a distillable precursor for motor fuels and/or petrochemical products which comprises donor solvent hydrovisbreaking said residue in ... | 02/19/1985 |
| 4487687 | Method of processing heavy hydrocarbon oils Heavy hydrocarbon oil to be processed is subjected to a treatment at elevated temperature and superatmospheric pressure in the presence of dispersed solids and molecular hydrogen and recycled hydrogen donor oil. By this treatment, a certain part of the as... | 12/11/1984 |
| 4485004 | Catalytic hydrocracking in the presence of hydrogen donor A process is disclosed in which a heavy hydrocarbon oil is converted to lighter products by hydrocracking in the presence of a hydrogen donor material boiling from 200° C. to 300° C. and a particulate hydrogenation catalyst comprising one of cobalt, mol... | 11/27/1984 |
| 4465584 | Use of hydrogen sulfide to reduce the viscosity of bottoms streams produced in hydroconversion processes Coal, petroleum residuum and similar carbonaceous feed materials are subjected to hydroconversion in the presence of molecular hydrogen to produce a hydroconversion effluent which is then subjected to one or more separation steps to remove lower molecular... | 08/14/1984 |
| 4454024 | Hydroconversion process A slurry hydroconversion process is provided wherein a heavy hydrocarbonaceous oil, in which is dispersed a metal-contaminated, partially deactivated zeolitic cracking catalyst, is converted to lower boiling products in the presence of a molecular hydroge... | 06/12/1984 |
| 4451354 | Process for upgrading hydrocarbonaceous oils A process for upgrading a heavy hydrocarbonaceous oil is provided in which the heavy oil is hydrorefined in the presence of a hydrorefining catalyst at conditions to convert a portion of the heavy constituents of the oil, followed by cracking the hydroref... | 05/29/1984 |
