| Patent Number |
Title Of Patent |
Date Issued |
| 7303731 |
Method and apparatus for regenerating an iron-based fischer-tropsch catalyst |
December 4, 2007 |
| Solvent extraction is used to remove wax and contaminants from an iron-based Fischer-Tropsch catalyst in a natural circulation continuous-flow system. The wax-free catalyst is then subjected to controlled oxidation to convert the iron to its initial oxidized state, Fe.sub.2O.sub.3. R |
| 7300642 |
Process for the production of ammonia and Fischer-Tropsch liquids |
November 27, 2007 |
| A gasification plant for producing ammonia, Fischer-Tropsch fuels, and electrical power from carbon-bearing feedstocks. |
| 7108835 |
Fischer-tropsch slurry reactor cooling tube arrangement |
September 19, 2006 |
| An arrangement of cooling tubes within a Fischer-Tropsch slurry reactor simplifies removal and reinstallation of cooling tubes for reactor maintenance. |
| 6976362 |
Integrated Fischer-Tropsch and power production plant with low CO2 emissions |
December 20, 2005 |
| A plant for producing Fischer-Tropsch liquids and electrical power with greatly reduced emissions of carbon dioxide to the atmosphere is made up of a syngas generator unit, an air separation unit, a Fischer-Tropsch unit, a CO.sub.2 removal unit, and a combined cycle electricity generatio |
| 6838487 |
Method and apparatus for regenerating an iron-based Fischer-Tropsch catalyst |
January 4, 2005 |
| Solvent extraction is used to remove wax and contaminants from an iron-based Fischer-Tropsch catalyst in a natural circulation continuous-flow system. The wax-free catalyst is then subjected to controlled oxidation to convert the iron to its initial oxidized state, Fe.sub.2 O.sub.3. |
| 6809123 |
Production of hydrogen and higher hydrocarbons |
October 26, 2004 |
| A carbon-bearing feedstock is reacted with oxygen and water in a partial oxidation reactor to produce a mixture of hydrogen and carbon monoxide. The hydrogen is removed as a first product and the remaining carbon monoxide is reacted with steam over a bifunctional catalyst to produce |
| 6730221 |
Dynamic settler |
May 4, 2004 |
| Catalyst particles are separated from the wax in a reactor slurry reactor by feeding a portion of the slurry to a dynamic settler. Heavier catalyst particles settle and are removed as the slurry at the bottom of the settler is recycled back to the reactor. Clarified wax is removed at the |
| 6712982 |
Method of removing catalyst particles from wax |
March 30, 2004 |
| Catalyst particles are separated from the wax in a reactor slurry reactor by feeding a portion of the slurry to a dynamic settler. Heavier catalyst particles settle and are removed as the slurry at the bottom of the settler is recycled back to the reactor. Clarified wax is removed at the |
| 6632846 |
Integrated urea manufacturing plants and processes |
October 14, 2003 |
| A plant for manufacturing urea from carbonaceous materials, oxygen from an air separation unit and water, preferably steam, is made up of a syngas generator unit, an air separation unit, Fischer-Tropsch unit, a CO.sub.2 removal unit, a hydrogen removal unit, a methanator unit, an ammonia |
| 6627666 |
Fischer-Tropsch synthesis using industrial process off gas feedstreams |
September 30, 2003 |
| A process is described in which the waste gas from the production of acetylene is employed in the Fischer-Tropsch synthesis of hydrocarbon liquids. The process consists of the steps of collecting the waste gas, compressing it to the proper pressure, passing the compressed gas into a |
| 6534552 |
Producing liquid hydrocarbons from natural gas |
March 18, 2003 |
| Increased hydrocarbon yields from natural gas and reduced oxygen consumption improvements are obtained by recycling hydrogen to a Fischer-Tropsch reactor, which can have a catalyst exhibiting either a low water gas shift activity such as cobalt, or a high water gas shift activity suc |
| 6403528 |
Developer for use with carbonless copy paper and photo imaging system |
June 11, 2002 |
| An electron accepting developer useful for producing visible images by reaction with an electron donor in carbonless paper and photo- imaging systems, the developer comprising an acid-treated, water insoluble alkali metal-modified, inorganic oxide or an acid-treated molecular sieve. |
| 6306917 |
Processes for the production of hydrocarbons, power and carbon dioxide from carbon-containing ma |
October 23, 2001 |
| Apparatus and processes for producing power, liquid hydrocarbons and carbon dioxide from heavy feedstocks, using a partial oxidation reactor to produce a synthesis gas, a Fischer-Tropsch reactor to convert the synthesis gas to hydrocarbon products and tail gases containing hydrogen a |
| 6242167 |
Developer for use with carbonless copy paper and photo imaging systems |
June 5, 2001 |
| An electron accepting developer useful for producing visible images by reaction with an electron donor in carbonless paper and photo-imaging systems, the developer comprising an acid-treated, water insoluble alkali metal-modified, inorganic oxide or an acid-treated molecular sieve. |
| 6083475 |
Method for making lithiated metal oxide |
July 4, 2000 |
| The present invention is a simple and reliable method for producing lithiated metal oxides such as those useful as cathode materials in lithium ion electrochemical cells. The method is based on the use of an organic solvent that dissolves both lithium sulfide and elemental sulfur wit |
| 6068949 |
Alkali metal ion battery electrode material |
May 30, 2000 |
| A method for forming a metal ion intercalation compound and the use thereof as the cathode material in an alkali metal battery. In one embodiment, a metal ion intercalation compound is mixed with an electrically conductive material. The metal ion intercalation compound is represented by |
| 6068760 |
Catalyst/wax separation device for slurry Fischer-Tropsch reactor |
May 30, 2000 |
| Catalyst particles are separated from the wax in a Fischer-Tropsch reactor by feeding a portion of the reactor slurry to a dynamic settler which does not require any pump. As the slurry flows down a pipe in the center of the settler, the slurry flows into the surrounding annular region a |
| 6051339 |
Lithiated polyvanadate cathodes and batteries containing such cathodes |
April 18, 2000 |
| A cathode for use in an electrochemical cell comprising a lithiated isopolyvanadate or heteropolyvanadate wherein the isopolyvanadate or heteropolyvanate has a cage structure, and an electrochemical battery comprising an alkali metal anode, an ionically conductive electrolyte and a c |
| 5980855 |
Method for preparing lithiated metal oxides |
November 9, 1999 |
| A method for lithiating a metal compound with lithium metal in the presence of a catalyst, wherein the lithiated metal compound is useful as a cathode in an electrochemical battery, is described. |
| 5763716 |
Process for the production of hydrocarbons |
June 9, 1998 |
| A process of converting a feed of hydrocarbon-containing gases into liquid hydrocarbon products including a first reaction of converting the feed into one to 2.5 parts of hydrogen to one part carbon monoxide in the presence of carbon dioxide and then secondly reacting the hydrogen and |
| 5645613 |
Process for the production of hydrocarbons |
July 8, 1997 |
| Several Fischer-Tropsch reaction schemes using a promoted iron catalyst in a slurry reactor produce oxygenated naphtha and diesel fractions on distillation that reduce particulate emissions in diesel engines. High carbon conversion efficiencies and optimum chain growth are characteri |
| 5621155 |
Process for the production of hydrocarbons |
April 15, 1997 |
| A process of converting a feed of hydrocarbon-containing gases into liquid hydrocarbon products including a first reaction of converting the feed into one to 2.5 parts of hydrogen to one part carbon monoxide in the presence of carbon dioxide and then secondly reacting the hydrogen and |
| 5620670 |
Process for the production of hydrocarbons |
April 15, 1997 |
| A process of converting a feed of hydrocarbon-containing gases into liquid hydrocarbon products including a first reaction of converting the feed into one to 2.5 parts of hydrogen to one part carbon monoxide in the presence of carbon dioxide and then secondly reacting the hydrogen and |
| 5543437 |
Process for the production of hydrocarbons |
August 6, 1996 |
| Several Fischer-Tropsch reaction schemes using a promoted iron catalyst in a slurry reactor produce oxygenated naphtha and diesel fractions on distillation that reduce particulate emissions in diesel engines. High carbon conversion efficiencies and optimum chain growth are characteri |
| 5506272 |
Process for the production of hydrocarbons |
April 9, 1996 |
| Several Fischer-Tropsch reaction schemes using a promoted iron catalyst in a slurry reactor produce oxygenated naphtha and diesel fractions on distillation that reduce particulate emissions in diesel engines. High carbon conversion efficiencies and optimum chain growth are characteri |
| 5504118 |
Process for the production of hydrocarbons |
April 2, 1996 |
| Several Fischer-Tropsch reaction schemes using a promoted iron catalyst in a slurry reactor produce oxygenated naphtha and diesel fractions on distillation that reduce particulate emissions in diesel engines. High carbon conversion efficiencies and optimum chain growth are characteri |
| 5500449 |
Process for the production of hydrocarbons |
March 19, 1996 |
| Several Fischer-Tropsch reaction schemes using a promoted iron catalyst in a slurry reactor produce oxygenated naphtha and diesel fractions on distillation that reduce particulate emissions in diesel engines. High carbon conversions efficiencies and optimum chain growth are character |
| 5324335 |
Process for the production of hydrocarbons |
June 28, 1994 |
| An oxygen-containing diesel fuel additive for reducing particulate airborne emissions which additive is produced in a Fischer-Tropsch synthesis reaction using a promoted iron-based catalyst. The additive contains alcohols having at least five carbon atoms, and is employed in diesel fuel |
