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Catalyst, Solid Sorbent, Or Support Therefor: Product Or Process Of Making > Regenerating Or Rehabilitating Catalyst Or Sorbent > Gas Or Vapor Treating > Elemental Hydrogen Elemental HydrogenElemental Hydrogen patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.05/25/06 - 20060111233 - Removal of nitrogen and sulfur contamination from catalysts by hot hydrogen stripping Nitrogen and optionally sulfur contamination can be removed from catalysts, such as spent and regenerated catalysts, by stripping them with a hydrogen-containing stream at high temperatures, such as between about 100 to about 600° C. Lower pressures such as a gauge pressure below about 10 MPa favors nitrogen removal, whereas ... ### FreshPatents.com Support |