338 patents
Page 9 of 17
Utility
Photobioreactors, Gas Concentrators, and Periodic Surfaces
25 Mar 21
A system for growing algae includes a photobioreactor comprising a tubular structure having inner and outer surfaces, an annular space defined between the inner and outer surfaces, an inlet to allow an algae slurry to enter the annular space, and a mechanism configured to produce radially-directed contractions and expansions in the tubular structure.
Narasimhan Sundaram
Filed: 3 Jun 20
Utility
Gravity Driven Bioreactors and Methods of Operation
25 Mar 21
A system for growing algae in a slurry, includes a pond having an inlet and an outlet and a plurality of contiguous elongate channel segments coupled fluidically in sequence between the inlet and the outlet, and the inlet is located at an elevation higher than outlet to allow gravity to flow the slurry from the inlet to the outlet.
Everett J. O'Neal, Yesim Igci, Patrick L. Hanks, Randall J. Lamutt, Mark A. Deimund, Vinit Choudhary
Filed: 14 Sep 20
Utility
Photobioreactors, Gas Concentrators, and Periodic Surfaces
25 Mar 21
A system for growing algae includes a gas concentrator configured to receive a first gas containing CO2 at a first concentration and discharge a second gas containing CO2 at a second concentration higher than the first concentration, and a photobioreactor containing algae in an algae slurry and fluidically coupled to the gas concentrator to receive the second gas.
Narasimhan Sundaram
Filed: 3 Jun 20
Utility
Methods for Methanol-to-gasoline Conversion with Post-processing of Heavy Gasoline Hydrocarbons
18 Mar 21
Methanol-to-gasoline conversion may be performed using a heavy gasoline treatment, followed by a separation operation.
Mohsen N. Harandi, Mitch L. Hindman, Suriyanarayanan Rajagopalan
Filed: 8 Sep 20
Utility
Upgrading and Enrichment of Gases Through Algae Photobioreactors
18 Mar 21
A method includes containing an algae media within a contactor, introducing a stream of natural gas comprising up to 80 wt % carbon dioxide (CO2) into the contactor, contacting the natural gas on the algae media and thereby allowing the algae media to consume CO2 from the natural gas, and discharging a stream of natural gas comprising 2 wt % or less CO2 from the contactor.
Vinit Choudhary, Everett J. O'Neal, Sarah E. Feicht, Patrick L. Hanks, Samantha J. Reuter, Rachel G. Munson
Filed: 14 Sep 20
Utility
CO2 Hydrogenation In Reverse Flow Reactors
4 Mar 21
Systems and methods are provided for hydrogenation of CO2 in a reverse flow reactor environment via a reverse water gas shift reaction.
Everett J. O'Neal, Anastasios I. Skoulidas, Joseph E. Gatt
Filed: 2 Apr 20
Utility
Process Intensification for Reverse Flow Reactors
4 Mar 21
Systems and methods are provided for improving thermal management and/or efficiency of reaction systems including a reverse flow reactor for performance of at least one endothermic reaction and at least one supplemental exothermic reaction.
Anastasios I. Skoulidas, Everett J. O'Neal, Joseph E. Gatt, Anjaneya S. Kovvali
Filed: 2 Apr 20
Utility
Applying Hansen Solubility Parameters to Metal-organic Framework Synthesis Conditions
25 Feb 21
A method suitable for use in investigating synthesis conditions for metal-organic frameworks may include: identifying synthesis conditions that includes a first solvent system by which a metal-organic framework is successfully synthesized; and synthesizing the metal-organic framework under substantially the same synthesis conditions but with a second solvent system (or a comparable solvent system) having a difference (Ra) between Hansen solubility parameters of 5 MPa0.5 or less as compared to the first solvent system.
Carter W. Abney, Anna C. Ivashko
Filed: 12 Jun 20
Utility
FUEL ADDITIVES WITH LOW NOx EMISSIONS
25 Feb 21
This disclosure relates to compositions and methods of making an additized fuel composition comprising a base fuel composition and a randomly branched nitrate composition.
Logan P. Renninger, Scott K. Berkhous, Donald J. Mattran, Geert W. Steenbeke, Dongil Kang, Kenneth C. H. Kar
Filed: 14 Aug 20
Utility
Scale-up Evaluation Methods for Algal Biomass Cultivation
18 Feb 21
Scale-up evaluation methods for algal biomass cultivation are provided, and more particularly, simultaneous scale-up evaluation methods for outdoor algal biomass cultivation are provided.
Patrick L. Hanks, William J. Novak, Everett J. O'Neal, Louis R. Brown
Filed: 3 Jun 20
Utility
Autoflocculation of Algal Biomass
18 Feb 21
Methods for autoflocculation of algae cells in an algae water slurry to facilitate harvesting.
Everett J. O'Neal, Mark A. Deimund
Filed: 3 Jun 20
Utility
Metal Catalyst Synthesis and Acid/metal Bifunctional Catalyst Systems Thereof
18 Feb 21
Methods of producing metal catalysts can include mixing two or more metal salts and an aluminum salt in water to produce a metal catalyst precursor solution having a pH of about 2.5 to about 4.0; mixing the metal catalyst precursor solution and a basic solution having a pH of about 10 to about 13 to produce a mixture with a pH of about 6 to about 7 and a precipitate; producing a powder from the precipitate; and calcining the powder to produce a metal catalyst.
Chuansheng Bai, Majosefina Cunningham, Jihad M. Daaka, Preeti Kamakoti, Aruna Ramkrishnan
Filed: 13 Aug 20
Utility
Metal Catalysts with Low -Alkali Metal Content and Acid/metal Bifunctional Catalyst Systems Thereof
18 Feb 21
Methods of producing metal catalysts can include mixing two or more metal salts and an aluminum salt in water to produce a metal catalyst precursor solution; mixing the metal catalyst precursor solution and an alkali metal buffer solution to produce a precipitate; ion exchanging the alkali metal in the precipitate for a non-alkali cation to produce a low-alkali metal precipitate comprising 3 wt % or less alkali metal by weight of the precipitate on a dry basis; producing a powder from the low-alkali metal precipitate; and calcining the powder to produce a metal catalyst.
Chuansheng Bai, Majosefina Cunningham, Jihad M. Daaka, Preeti Kamakoti, Aruna Ramkrishnan, Anjaneya S. Kovvali, Anita S. Lee
Filed: 13 Aug 20
Utility
Acid/metal Bifunctional Catalysts Produced by Slurry Methods
18 Feb 21
A method of producing a acid/metal bifunctional catalyst may include: mixing an acid catalyst, a metal catalyst, and a fluid to produce a slurry, wherein the acid catalyst is present at 50 wt % or less relative to a total catalyst weight in the slurry; heating the slurry; producing a powder from the slurry; and calcining the powder to produce the acid/metal bifunctional catalyst.
Chuansheng Bai, Majosefina Cunningham, Jihad M. Daaka, Preeti Kamakoti, Aruna Ramkrishnan, Anjaneya S. Kovvali, Anita S. Lee
Filed: 13 Aug 20
Utility
Acid/metal Bifunctional Catalyst Produced by Extrusion
18 Feb 21
A method of producing bifunctional catalysts by extrusion may include mixing an acid catalyst, a metal catalyst, optionally a binder, and a fluid to produce a dough; extruding the dough to form an extrudate; producing a powder from the extrudate; and calcining the powder to produce an acid/metal bifunctional catalyst.
Chuansheng Bai, Jihad M. Daaka, Preeti Kamakoti, Aruna Ramkrishnan, Anjaneya S. Kovvali, Anita S. Lee
Filed: 13 Aug 20
Utility
Acid/metal Bifunctional Catalyst Systems Produced with Carbon Coatings
18 Feb 21
A method of producing bifunctional catalyst systems that include a carbon-coated metal catalyst may comprise: coating a metal catalyst particle with a carbon-containing small molecule to produce a coated metal catalyst particle; carbonizing the carbon-containing small molecule on the coated metal catalyst particle to produce a carbon-coated metal catalyst particle; and mixing the carbon-coated metal catalyst particle with an acid catalyst particle to produce an acid/metal bifunctional catalyst system.
Chuansheng Bai, Majosefina Cunningham, Jihad M. Daaka, Preeti Kamakoti, Aruna Ramkrishnan, Anjaneya S. Kovvali, Anita S. Lee
Filed: 13 Aug 20
Utility
Oxycombustion with CO2 Capture In Reverse Flow Reactors
18 Feb 21
Systems and methods are provided for using oxycombustion to provide heat within a reverse flow reactor environment.
Everett J. O'Neal, Brian M. Weiss, Anastasios I. Skoulidas
Filed: 2 Apr 20
Utility
Bioreactor with Integrated Flue Gas Distribution
18 Feb 21
A system includes a photobioreactor that provides a channel configured to contain an algae slurry, a duct positioned adjacent the channel and configured to convey a gas, and a barrier separating the duct from the channel and providing one or more apertures to allow a portion of the gas to be injected into the algae slurry from the duct.
Everett J. O'Neal, Patrick L. Hanks, Kevin B. Daly
Filed: 3 Jun 20
Utility
Solar Steam Explosion of Algae
18 Feb 21
A system includes an algae bioreactor that contains an algae slurry, a heat exchanger in fluid communication with the algae bioreactor to receive the algae slurry from the algae bioreactor and heat and increase a pressure of the algae slurry, and one or more valves and a flash vessel in fluid communication with a discharge of the heat exchanger to flash the algae slurry and create steam and algae biomass.
Patrick L. Hanks, Everett J. O'Neal, Sarah E. Feicht, Mark A. Deimund, Vinit Choudhary, Louis R. Brown
Filed: 3 Jun 20
Utility
Pivot Arm Systems for Mixing In Bioreactors
18 Feb 21
A system for growing algae includes a pivot arm pivotally coupled to a pivot connection positioned in a pond containing water and algae, and a mixing device coupled to the pivot arm and extending into the pond to mix the water and the algae as the pivot arm rotates.
Everett J. O'Neal, Louis R. Brown, Patrick L. Hanks, Mark A. Deimund
Filed: 3 Jun 20