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| Number | Title | Issue Date |
| 7713409 | Method for reducing the level of elemental sulfur and total sulfur in hydrocarbon streams A method for reducing the level of elemental sulfur from sulfur-containing hydrocarbon streams as well as reducing the level of total sulfur in such streams. Preferred hydrocarbon streams include fuel streams such as naphtha streams that are transported through a pi... | 05/11/2010 |
| 7632396 | Method for reducing the level of elemental sulfur and total sulfur in hydrocarbon streams A method for reducing the level of elemental sulfur from sulfur-containing hydrocarbon streams as well as reducing the level of total sulfur in such streams. Preferred hydrocarbon streams include fuel streams such as naphtha and distillate streams that are transport... | 12/15/2009 |
| 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 |
| 5674378 | Dynamic mixer process with continuous caustic phase for removal of elemental sulfur from organic fluids The present invention is directed to a process for the removal of elemental sulfur from fluids such as fuels, e.g. gasoline, kerosene, diesel or jet, by contacting said fluids with an immiscible treatment solution comprising water or immiscible alcohol, c... | 10/07/1997 |
| 5582714 | Process for the removal of sulfur from petroleum fractions A process is disclosed for the removal of sulfur from petroleum fractions such as FCC gasoline by employing a solvent selected from the group consisting of a polyalkylene glycol, polyalkylene glycol ether, and mixtures thereof and having a molecular weigh... | 12/10/1996 |
| 5199978 | Process for removing elemental sulfur from fluids The present invention provides a process for removing elemental sulfur from fluids such as refined petroleum products transported through pipelines for the transportation of sour hydrocarbon streams. The sulfur-containing fluids are mixed with an inorgani... | 04/06/1993 |
| 4290879 | Removal of carbonyl sulfide from liquid hydrocarbon streams Carbonyl sulfide is removed from propane and other similar liquefied petroleum gas products by mixing liquid methanol with the untreated liquefied gas and then contacting the liquid mixture with solid potassium hydroxide.... | 09/22/1981 |
