System for Gasification Fuel Injection
Issued January 5, 2016,
United States - US9228744B2
A system includes a gasification fuel injector, which includes a first fuel conduit configured to inject a first fuel flow from a first fuel tip, a second fuel conduit configured to inject a second fuel flow from a second fuel tip, a first gas conduit configured to inject a first gas flow from a first gas tip, a second gas conduit configured to inject a second gas flow from a second gas tip, and a third gas conduit configured to inject a third gas flow from a third gas tip. At least one of the first fuel tip, the second fuel tip, the first gas tip, the second gas tip, or the third gas tip is recessed a distance away from an outlet of the gasification fuel injector. The first and second fuel conduits and the first, second, and third gas conduits are coaxial with one another.
System and Method
for Slurry Handling
Issued December 29, 2015,
United States - 9222040B2
A system includes a slurry depressurizing system that includes a liquid expansion system configured to continuously receive a slurry at a first pressure and continuously discharge the slurry at a second pressure. For example, the slurry depressurizing system may include an expansion turbine to expand the slurry from the first pressure to the second pressure.
System for Gas Purification and Recovery With Multiple Solvents
Issued July 3, 2015,
United States - US8475571 B2
In one embodiment, a gas purification system is provided. The system includes a first solvent section having a first carbon dioxide (CO2) absorber, a hydrogen sulfide (H2S) absorber, and a first solvent path that routes a first solvent through the first CO2 absorber and the H2S absorber. The gas purification system also includes a second solvent section having a second carbon dioxide (CO2) absorber and a second solvent path that flows a second solvent through the second CO2 absorber. The gas purification system has a gas path though the first and second solvent sections, wherein the first and second solvent paths are separate from one another, and the first and second solvents are different from one another.
System for Recovering Acid Gases From
A Gas Stream
Issued February 3, 2015,
United States - US8945292B2
In one embodiment, a gas purification system is provided. The system includes a first section having a first solvent path and a first gas path. The first gas path is configured to flow a stripping gas to remove hydrogen sulfide (H2S) and carbon dioxide (CO2) from the first solvent path in a first vessel to produce a first gas mixture. The system also includes a second section having a second solvent path. The second solvent path is configured to flow a second solvent mixture to remove H2S from the first gas mixture and CO2 from the second solvent mixture within a second vessel. The second solvent mixture has a solvent saturated in CO2 at a first pressure, the second vessel is operated at a second pressure, and the first and second pressures are within approximately 20% of one another.
System and Method for The Preparation of Coal Water Slurries
Issued July 31, 2014,
United States - 20140208649
Disclosed embodiments include a feedstock preparation system that includes a first slurry preparation system that may receive a first portion of a solid fuel to generate a first fuel slurry using the first portion of the solid fuel and a liquid and second slurry preparation system separate from the first slurry preparation system that may receive a second portion of the solid fuel and the first fuel slurry. The second slurry preparation system may produce a second fuel slurry using the second portion of the solid fuel and the first fuel slurry. The first fuel slurry has a first particle size distribution and the second fuel slurry has a second particle size distribution, and the first and second particle size distributions are different.
Process Stream Desulfurization
Issued March 6, 2014,
United States - 20140060325
A method of reducing the concentration of at least one sulfur compound in a process stream and for recovering at least one sulfur compound from a process stream are provided. A process stream is delivered to a vessel, wherein the vessel comprises an adsorbent material. At least one solvent is transferred into the vessel. One or more fluids are then removed from the vessel. At least one of the fluids removed from the vessel comprises a clean gas. The adsorbent material may be regenerated to yield a high concentration of the at least one sulfur compound.
System for Acid Gas Removal
Issued October 12, 2013,
United States - US8562719 B2
Gas purification system including a hydrogen sulfide (H2S) absorber, a carbon dioxide (CO2) absorber, a flash tank, and a H2S concentrator. The gas purification system may also include a gas path though the H2S absorber prior to the CO2 absorber, a first solvent path sequentially through the CO2 absorber, the H2S absorber, and the H2S concentrator, and a second solvent path sequentially through the CO2 absorber, the flash tank, and the H2S concentrator, wherein the first and second solvent paths flow a common solvent.
System and Methods
for Generating Oxygen
and Hydrogen for
Plant Equipment
Issued March 26, 2012,
United States - US2013025212121 A1
A system includes a photo-electrolysis system having a solar collector configured to collect and concentrate solar radiation to heat water, generate electricity, or both. The system also includes an electrolysis unit configured to electrolyze the heated water using at least the generated electricity to produce a first gas mixture and a second gas mixture. The first gas mixture includes oxygen and steam abed the second gas mixture includes hydrogen and steam. The system further includes a first device configured to receive and use the first gas mixture as well as a hydrogen membrane configured to receive and separate the hydrogen and steam mixture into a hydrogen component and a steam component.
Carbon Capture Cooling System and Method
Issued March 24, 2011,
United States - 20110067302
A system and method is provided for capturing a carbonous gas and using the captured carbonous gas for cooling purposes. For example, a system may include a carbon capture system configured to collect a carbonous gas from a syngas, and a cooling system having the carbonous gas in a coolant circuit.
Process for N2O Purification
Issued July 4, 2006,
Canada - US7070746 B1
A method for purification of an oxygen contaminated nitrous oxide gas by feeding the nitrous oxide gas and a reducing agent such as hydrogen, carbon monoxide or ammonia into a de-oxidation reactor, performing de-oxidation by reacting the reducing agent with oxygen using a catalyst such as palladium or platinum in order to deplete the oxygen in the nitrous oxide gas, while limiting the amount of nitrous oxide removed from the nitrous oxide gas.
Method of Producing an Aliphatic Diacid and Nitrous Oxide
Issued January 13, 2000,
Europe - WO2000001654 A1
An aliphatic diacid and nitrous oxide are produced by the following methods: the aliphatic dibasic acid is produced by oxidation of an hydrolylated aromatic compound with nitrous oxide to form the aliphatic dibasic acid and the nitrous oxide formed by reducing a mixture of a NOx containing gas stream and ammonia is employed in the making of the aliphatic diacid.
Catalytic Vent Gas Treatment System for Abatement of Volatile Chemical Emissions
Issued March 25, 1998,
Europe - WO1996039243A1
An integrated process of vent gas treatment for abatement of carbon monoxide and volatile organic compound emissions from a chemical process plant is provided, and includes provisions for catalytic oxidation of organic pollutants with dioxygen in a vent gas stream over a solid oxidation catalyst (44), means for supplying an amount of combustible fluid (31) into the vent gas stream upstream of the oxidation to facilitate catalytic oxidation of the organic pollutants; and means for controlling the amount of combustible fluid being supplied by the supplying means, the controlling means being arranged to provide sufficient reactants for the catalytic oxidation to maintain suitable reaction temperatures in accordance with the present invention.