| Patent Number |
Title Of Patent |
Date Issued |
| 6906000 |
Stable carbonous catalyst particles and method for making and utilizing same |
June 14, 2005 |
| Stable carbonous catalyst particles composed of an inorganic catalytic metal/metal oxide powder and a carbonaceous binder material are formed having a basic inner substantially uniform-porous carbon coating of the catalytic powder, and may include an outer porous carbon coating layer. |
| 6190542 |
Catalytic multi-stage process for hydroconversion and refining hydrocarbon feeds |
February 20, 2001 |
| A multi-stage catalytic hydrogenation and hydroconversion process for heavy hydrocarbon feed materials such as coal, heavy petroleum fractions, and plastic waste materials. In the process, the feedstock is reacted in a first-stage, back-mixed catalytic reactor with a highly dispersed |
| 6139723 |
Iron-based ionic liquid catalysts for hydroprocessing carbonaceous feeds |
October 31, 2000 |
| A highly dispersed iron-based ionic liquid or liquid-gel catalyst which may be anion-modified and metals-promoted has high catalytic activity, and is useful for hydrocracking/hydrogenation reactions for carbonaceous feed materials. The catalyst is produced by aqueous precipitation from |
| 5871638 |
Dispersed anion-modified phosphorus-promoted iron oxide catalysts |
February 16, 1999 |
| A dispersed fine-sized anion-modified and phosphorus-promoted iron-oxide slurry catalyst having high surface area exceeding 100 m.sup.2 /gm and high catalytic activity, and which is useful for hydrogenation and hydroconversion reactions for carbonaceous feed materials is disclosed. T |
| 5866501 |
Dispersed anion-modified iron oxide catalysts for hydroconversion processes |
February 2, 1999 |
| A dispersed fine-sized anion-modified iron oxide slurry catalyst having high surface area exceeding about 100 m.sup.2 /gm and high catalytic activity, and which is useful for hydrogenation and hydroconversion reactions for carbonaceous feed materials is disclosed. The catalyst is syn |
| 5045180 |
Catalytic two-stage coal liquefaction process having improved nitrogen removal |
September 3, 1991 |
| A process for catalytic multi-stage hydrogenation and liquefaction of coal to produce high yields of low-boiling hydrocarbon liquids containing low concentrations of nitogen compounds. First stage catalytic reaction conditions are 700.degree.-800.degree. F. temperature, 1500-3500 psig |
| 5037791 |
Porous metal oxide supported carbon-coated catalysts and method for producing same |
August 6, 1991 |
| Supported carbon-coated catalyst material and a method for producing and using same in catalytic reaction processes, preferably in ebullated or fluidized catalyst beds. The catalyst materials are prepared by depositing a porous carbon layer on a support material of a selected metal oxide |
| 4879021 |
Hydrogenation of coal and subsequent liquefaction of hydrogenated undissolved coal |
November 7, 1989 |
| A process for the hydrogenation of undissolved coal and subsequent liquefaction of the hydrogenated coal particles to provide useful hydrocarbon liquid products including naphtha, gasoline and diesel fuel. These low boiling hydrocarbon liquids are produced by the process comprising: |
| 4874506 |
Catalytic two-stage coal hydrogenation process using extinction recycle of heavy liquid fraction |
October 17, 1989 |
| A process for catalytic two-stage hydrogenation and liquefaction of coal with selective extinction recycle of all heavy liquid fractions boiling above a distillation cut point of about 600.degree.-750.degree. F. to produce increased yields of low-boiling hydrocarbon liquid and gas pr |
| 4853111 |
Two-stage co-processing of coal/oil feedstocks |
August 1, 1989 |
| A process for two-stage catalytic co-processing of coal and heavy petroleum hydrocarbon liquid fractions to produce increased yields of low-boiling hydrocarbon liquid and gas products. In the process, the particulate coal is slurried with a petroleum residuum and optionally with a pr |
| 4842719 |
Catalytic two-stage coal hydrogenation and hydroconversion process |
June 27, 1989 |
| A process for two-stage catalytic hydrogenation and liquefaction of coal to produce increased yields of low-boiling hydrocarbon liquid and gas products. In the process, the particulate coal is slurried with a process-derived liquid solvent and fed at temperature below about 650.degre |
| 4839030 |
Coal liquefaction process utilizing coal/CO.sub.2 slurry feedstream |
June 13, 1989 |
| A coal hydrogenation and liquefaction process in which particulate coal feed is pressurized to an intermediate pressure of at least 500 psig and slurried with CO.sub.2 liquid to provide a flowable coal/CO.sub.2 slurry feedstream, which is further pressurized to at least 1000 psig and fed |
| 4816141 |
Catalytic two-stage liquefaction of coal utilizing cascading of used ebullated-bed catalyst |
March 28, 1989 |
| A multi-stage catalytic process for hydrogenation and liquefaction of coal using ebullated-bed catalytic reactors to produce low-boiling hydrocarbon liquid products, in which used catalyst is removed from a lower temperature first stage reactor operating at temperature not exceeding |
| 4495055 |
Coal catalytic hydrogenation process using direct coal slurry feed to reactor with controlled mi |
January 22, 1985 |
| A process for improved catalytic hydrogenation of coal to produce increased yields of low boiling hydrocarbon liquids and gas products, in which a coal-oil slurry is fed directly with only limited preheating into an ebullated bed catalytic reaction zone to provide increased hydroconversi |
| 4381986 |
Cooling and solidification of heavy hydrocarbon liquid streams |
May 3, 1983 |
| A process and apparatus for cooling and solidifying a stream of heavy hydrocarbon material normally boiling above about 850.degree. F., such as vacuum bottoms material from a coal liquefaction process. The hydrocarbon stream is dropped into a liquid bath, preferably water, which contains |
| 4249909 |
Drying and passivating wet coals and lignite |
February 10, 1981 |
| This invention discloses a staged process for drying wet carbonaceous materials such as sub-bituminous coal or lignite containing at least about 10 weight percent moisture, usually 15-50 weight percent moisture, by first heating the wet material under low partial pressure of moisture to |
| 4221653 |
Catalytic hydrogenation process and apparatus with improved vapor liquid separation |
September 9, 1980 |
| A continuous hydrogenation process and apparatus wherein liquids are contacted with hydrogen in an ebullated catalyst reaction zone with the liquids and gas flowing vertically upwardly through that zone into a second zone substantially free of catalyst particles and wherein the liqui |
| 4151073 |
Process for phase separation |
April 24, 1979 |
| This invention provides a continuous process for separating a gaseous phase from a hydrocarbon liquid containing carbonaceous particulates and gases. The liquid is fed to a cylindrical separator, with the gaseous phase being removed therefrom as an overhead product, whereas the hydrocarb |
