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Nazeer A Bhore, David L Johnson, Khushrav E Nariman, David L Stern: Process scheme for SO.sub.x removal from flue gases. Mobil Oil Corporation, Penny L Prater, Malcolm D Keen, April 21, 1998: US05741469 (20 worldwide citation)

A dry, regenerable solid oxide process directed to convert SO.sub.x from the flue gas stream from a power plant, a coal or oil-fired plant or process heat furnace, or an FCC regenerator to elemental sulfur without using a Claus unit, a hydrogen plant, a regeneration gas separation system, or a hydro ...


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Amos A Avidan, Nazeer A Bhore, J Scott Buchanan, David L Johnson, Khushrav E Nariman, David L Stern: Sox sorbent regeneration. Mobil Oil Corporation, Penny L Prater, Malcolm D Keen, March 17, 1998: US05728358 (12 worldwide citation)

There is provided a process directed to the use of gases containing or mixed with carbon monoxide, such as synthesis gas, to aid in the regeneration of sulfur oxide-sorbed solid oxides, such as magnesium aluminates or spinels. This process is especially useful in applications where the solid oxide i ...


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John S Buchanan, Khushrav E Nariman: Process for treating H.sub.2 S containing streams. Mobil Oil Corporation, Penny L Prater, Malcolm D Keen, February 29, 2000: US06030597 (12 worldwide citation)

This invention is directed to an improved process for conversion of H2S to sulfur, using MOST(Mobil Offgas Sulfur Treatment) catalyst or sorbent. The sorbent is typically a magnesium-aluminate spinet, with oxidation promoters such as ceria and vanadia. H.sub.2 S from the feed gas is used to regenera ...


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J Scott Buchanan, Khushrav E Nariman: Graded-bed system for improved separations. Mobil Oil Corporation, A J McKillop, D P Santini, G L Harris, February 20, 1996: US05492684 (7 worldwide citation)

A method and system useful for the removal of contaminants such as sulfur oxides from waste gas streams using a graded-bed system is disclosed. The graded-bed system uses beds with solid sorbents of two or more particle sizes in separate sections of the bed. In one embodiment, the solid sorbents are ...


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John S Buchanan, Khushrav E Nariman: Process for treating H.sub.2 S-lean streams, with recycle of SOx from burner. Mobil Oil Corporation, Penny L Prater, Malcolm D Keen, September 28, 1999: US05958359 (3 worldwide citation)

This invention is directed to an improved process for conversion of H.sub.2 S to sulfur, using MOST(Mobil Offgas Sulfur Treatment) catalyst or sorbent. The sorbent is typically a magnesium-aluminate spinel, with oxidation promoters such as ceria and vanadia. H.sub.2 S from the feed gas is used to re ...


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David L Johnson, Khushrav E Nariman, David L Stern: Process for the reduction of SO.sub.2 from wet lime/limestone tailgas in power plant desulfurization processes. Mobil Oil Corporation, Penny L Prater, Malcolm D Keen, February 22, 2000: US06027704 (3 worldwide citation)

This invention describes a process for the scrubbing of sulfur oxides from the effluent of conventional wet lime/limestone SOx reduction processes in coal or oil-fired plants. The sulfur oxides are oxidatively sorbed onto solid sorbents such as magnesium aluminate spinel. Reduction with the appropri ...