1
Alfred E Keller, Sriram Ramani, Joe D Allison, Steven E Lusk, Nathan A Hatcher, Larry D Swinney, Kerri J Kirkendall, Gilbert E Torres, Paul D Stewart, Terry D Pruitt: Compact sulfur recovery plant and process. ConocoPhillips Company, Conley Rose P C, June 5, 2007: US07226572 (10 worldwide citation)

A compact sulfur recovery system is disclosed which comprises a primary structure including a catalytic partial oxidation reaction zone, a first temperature-control zone, a first Claus catalytic reaction zone, a second temperature-control zone, a first liquid sulfur outlet, and a first effluent gas ...


2
Bang Chen Xu, Sriram Ramani, Kevin L Ricketson, Gloria I Straguzzi, Larry D Swinney, Joe D Allison: Catalyst system for enhanced flow syngas production. ConocoPhillips Company, Conley Rose P C, May 3, 2005: US06887456 (9 worldwide citation)

A method and apparatus for converting a hydrocarbon and oxygen containing gas feed stream to a product stream, such as syngas, including catalytically partially oxidizing the hydrocarbon feed stream over a catalyst bed. The catalyst bed has a downstream section which is less resistant to flow than t ...


3
Alfred E Keller, Sriram Ramani, Joe D Allison, Steven E Lusk, Nathan A Hatcher, Larry D Swinney, Rebecca S Shaver: Increased capacity sulfur recovery plant and process for recovering elemental sulfur. Conoco Phillips Company, March 10, 2009: US07501111 (7 worldwide citation)

Claus sulfur recovery plants that include one or more single-stage or multi-stage compact tubular Claus catalytic reactor-heat exchanger units are disclosed. In some instances, these new or improved Claus plants additionally include one or more compact heat exchanger containing cooling tubes that ar ...


4
Joe D Allison, Larry D Swinney, Tianyan Niu, Kevin L Ricketson, Daxiang Wang, Sriram Ramani, Gloria I Straguzzi, David M Minahan, Harold A Wright, Baili Hu: Lanthanide-promoted rhodium catalysts and process for producing synthesis gas. ConocoPhillips Company, Conley Rose P C, September 20, 2005: US06946114 (5 worldwide citation)

Lanthanide-promoted rhodium-containing supported catalysts that are active for catalyzing the net partial oxidation of methane to CO and H2 are disclosed, along with their manner of making and high efficiency processes for producing synthesis gas employing the new catalysts. A preferred catalyst com ...


5
Alfred E Keller, Sriram Ramani, Nathan A Hatcher, Joe D Allison, Steven E Lusk, Larry D Swinney, Kerri J Kirkendall, Gilbert E Torres, Paul D Stewart, Terry D Pruitt: Compact sulfur recovery plant and process. ConocoPhillips Company, ConocoPhillips Company, July 14, 2009: US07560088 (2 worldwide citation)

A compact sulfur recovery system is disclosed which includes an upflow orientation for the gases through a primary structure including a catalytic partial oxidation reaction zone, a first temperature-control zone, a first Claus catalytic reaction zone, a second temperature-control zone, a first liqu ...


6
Bang Cheng Xu, Sriram Ramani, Kevin L Ricketson, Gloria I Straguzzi, Larry D Swinney, Joe D Allison: Catalyst system for enhanced flow syngas production. ConocoPhillips Company, April 12, 2011: US07922977 (2 worldwide citation)

A method and apparatus for converting a hydrocarbon and oxygen containing gas feed stream to a product stream, such as syngas, including catalytically partially oxidizing the hydrocarbon feed stream over a catalyst bed. The catalyst bed has a downstream zone which is less resistant to flow than the ...


7
Bang Chen Xu, Sriram Ramani, Kevin L Ricketson, Gloria I Straguzzi, Larry D Swinney, Joe D Allison: Catalyst system for enhanced flow syngas production. Conoco, David W Westphal, Conoco Phillips, May 1, 2003: US20030083198-A1 (1 worldwide citation)

A method and apparatus for converting a hydrocarbon and oxygen containing gas feed stream to a product stream, such as syngas, including catalytically partially oxidizing the hydrocarbon feed stream over a catalyst bed. The catalyst bed has a downstream section which is less resistant to flow than t ...


8
Alfred E Keller, Nathan A Hatcher, Sriram Ramani, Larry D Swinney: Sulfur recovery plant. ConocoPhillips Company, February 9, 2010: US07658906

Novel sulfur recovery plants, and processes utilizing these plants are disclosed. These apparatuses eliminate the use of a condenser between the waste heat boiler and first Claus catalytic reactors, and also eliminate the use of reheaters in between Claus catalytic reactors.


9
Sergio R Mohedas, Rafael L Espinoza, Jack E Cnossen, Todd H Harkins, Vincent H Melquist, Larry D Swinney: Prevention of and recovering from a catalyst bed slumping in a gas-agitated multiphase reactor. ConocoPhillips Company, Conley Rose P C, June 12, 2007: US07230034

The invention relates to methods for prevention of and recovery from a catalyst bed slumping in a gas-agitated multiphase hydrocarbon synthesis reactor, while the reactor is either under non-reactive conditions or under reaction promoting conditions when syngas is converted to products. The reactor ...


10
Jianhua Yao, Dhananjay B Ghonasgi, Xiaochun Xu, Larry D Swinney: Hydroprocessing process with improved catalyst activity. Phillips 66 Company, Phillips 66 Company, January 13, 2015: US08932453

This invention relates to a hydroprocessing process with improved catalyst activity when hydroprocessing petroleum based feedstock or an oxygen containing feedstock. This invention also relates to a hydrotreating process with improved hydrodesulfurization (HDS) activity of a hydrotreating catalyst s ...