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...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7375143 | Catalyst recover from a slurry Embodiments of the invention relate to processes and apparatus for the washing and recovery of metal-containing catalyst solids in a form suitable for reclamation. More specifically, a catalyst recovery process comprises removing an organic residue with a washing me... | 05/20/2008 |
| 7303731 | Method and apparatus for regenerating an iron-based fischer-tropsch catalyst 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, ... | 12/04/2007 |
| 7232848 | Gas agitated multiphase reactor with stationary catalyst solid phase An apparatus for converting a gaseous and/or liquid feed fluid to gaseous and/or liquid products using a solid catalyst comprises a reactor, a liquid phase disposed within the reactor volume, a fixed catalyst at least partially disposed in the liquid phase, a coolin... | 06/19/2007 |
| 7067561 | Catalytic plant and process Fischer-Tropsch synthesis is performed on a CO/H*2 feed gas using a plurality of compact catalytic reactor modules (12) each defining catalytic reaction channels and coolant channels, in two successive stages, with the same number of reactor modules for each ... | 06/27/2006 |
| 6974842 | Process for catalyst recovery from a slurry containing residual hydrocarbons In a system and method for recovering a catalyst, a slurry comprising said catalyst and residual hydrocarbons is heated so as to vaporize hydrocarbons. The vaporized hydrocarbons are separated from the catalyst. The separated catalyst is preferably further contacted... | 12/13/2005 |
| 6929754 | Solid/liquid separation system for multiphase converters Methods and apparatus for removing wax products from a slurry used in a Fischer-Tropsch reactor. The preferred embodiments of the present invention are characterized by a solid/liquid separation system that removes liquid products from a slurry by drawing the fluid ... | 08/16/2005 |
| 6838487 | Method and apparatus for regenerating an iron-based Fischer-Tropsch catalyst 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, ... | 01/04/2005 |
| 6835756 | Fischer-tropsch synthesis process Process for the conversion of synthesis gas to liquid hydrocarbon products by contacting, in a slurry reactor, synthesis gas at an elevated temperature and pressure with a suspension of catalyst in a liquid medium, introducing a low boiling solvent into the slurry r... | 12/28/2004 |
| 6800579 | Catalyst regeneration There is provided a process for regenerating the activity of used metal catalysts for the hydrogenation of carbon monoxide comprising decreasing the hydrocarbon content thereof, calcining under an oxidant-containing atmosphere, impregnating with a solution of at lea... | 10/05/2004 |
| 6777451 | Catalyst enhancement A process for enhancing metal catalysts for carbon monoxide hydrogenation comprising reducing the catalyst so that at least a portion is in the metallic state, impregnating under a non-oxidative atmosphere with a solution of a salt of at least one metal, optionally ... | 08/17/2004 |
| 6753351 | Supported catalyst activation A process for activating a supported metal catalyst or catalyst precursor useful for the hydrogenation of carbon monoxide to form a mixture of hydrocarbons, comprising reducing with a hydrogen-containing gas at elevated temperature so that at least a portion is in t... | 06/22/2004 |
| 6753354 | Fischer-tropsch catalyst enhancement There is provided a process for hydrocarbon synthesis wherein a supported metal catalyst for hydrogenating carbon monoxide to form a mixture of hydrocarbons is regenerated by decreasing its hydrocarbon content, impregnating under a non-oxidative atmosphere with a so... | 06/22/2004 |
| 6476086 | Coalescence enhanced gravity separation of iron catalyst from Fischer-Tropsch catalyst/wax slurry Fine iron-based catalyst particles from. Fischer-Tropsch (F-T) synthesis processes are effectively separated from catalyst/liquid/wax slurry by contacting and/or mixing the slurry with a coalescence enhancing treating solution to facilitate gravity separa... | 11/05/2002 |
| 6284807 | Slurry hydrocarbon synthesis process with increased catalyst life A slurry catalytic hydrocarbon synthesis process which employs a catalyst comprising a supported cobalt component achieves a short term catalyst half life of more than 10 days, by using a syngas feed which contains less than fifty parts per billion of a c... | 09/04/2001 |
| 6114399 | Methods and apparatus for separating Fischer-Tropsch catalysts from liquid hydrocarbon product A method of separating a Fischer-Tropsch catalyst from the output slurry of a Fischer-Tropsch bubble column reactor, where the slurry comprises Fischer-Tropsch catalyst particles and liquid hydrocarbon product is disclosed. The method comprises contacting... | 09/05/2000 |
| 5827903 | Separation of catalyst from Fischer-Tropsch slurry In a catalytic process for converting synthesis gas including hydrogen and carbon monoxide to hydrocarbons and oxygenates by a slurry Fischer-Tropsch synthesis, the wax product along with dispersed catalyst is removed from the slurry and purified by remov... | 10/27/1998 |
| 5260239 | External catalyst rejuvenation system for the hydrocarbon synthesis process Catalyst which has become deactivated during a hydrocarbon synthesis (HCS) process is reactivated - rejuvenated using an external reactivation - rejuvenation vessel resulting in a multiple HCS reaction - catalyst rejuvenation reactor vessel design. Flow o... | 11/09/1993 |
| 4908341 | Method for reactivating spent catalyst by contact with one or more aromatic compounds A method for regenerating a spent porous crystalline catalyst, optionally associated with a metal component such as noble and/or base metal(s), is described. The method comprises contacting the spent catalyst which has become deactivated by accumulation o... | 03/13/1990 |
| 4429057 | Process for recovering volatile precious metals A homogeneous catalytic process wherein a gaseous or vaporized reactant stream is continuously introduced into a liquid phase mixture containing (a) a volatile precious metal catalyst, and (b) methanol and/or ethanol as reactant or reaction product, at le... | 01/31/1984 |
