Patent application number | Description | Published |
20100251613 | METHOD AND APPARATUS TO RECYCLE TAIL GAS - A method of recycling a tail gas includes converting sulfur present in an acid gas stream into elemental sulfur to produce a tail gas and recycling the tail gas to at least one of a gasification reactor and a gas removal subsystem. | 10-07-2010 |
20100293918 | METHOD AND SYSTEM FOR USE WITH AN INTEGRATED GASIFICATION COMBINED CYCLE PLANT - A method of operating an integrated gasification combined cycle power generation system is provided. The method includes compressing air in an adiabatic air compressor to produce a compressed heated air stream, heating a nitrogen stream using the compressed heated air stream to produce a heated nitrogen stream and a cooled compressed air stream, and channeling the cooled compressed air stream to an air separation unit. | 11-25-2010 |
20100319254 | METHODS AND SYSTEM FOR SEPARATING CARBON DIOXIDE FROM SYNGAS - A system for use in separating carbon dioxide and acid gas from syngas includes a syngas purification circuit that includes at least one adsorption tower coupled in flow communication to a supply of lean solvent. The system further includes a carbon dioxide removal circuit coupled downstream from the syngas purification circuit. The carbon dioxide removal circuit includes at least one component that facilitates the removal of carbon dioxide from the solvent after the solvent has passed through the syngas purification circuit. The carbon dioxide removal circuit also includes at least one compressor, wherein the at least one component and the at least one compressor are operable at substantially similar pressures. In addition, the system includes an acid gas removal circuit that is coupled downstream from the carbon dioxide removal circuit. The acid gas removal circuit includes at least one adsorption tower. | 12-23-2010 |
20100324156 | METHODS OF RECYCLING CARBON DIOXIDE TO THE GASIFICATION SYSTEM - Method of producing syngas in an IGCC system, comprising compressing and heating carbon dioxide-rich gas to produce heated compressed carbon dioxide-rich gas, mixing the heated compressed carbon dioxide-rich gas with oxygen and feedstock to form a feedstock mixture, subjecting the feedstock mixture to gasification to produce syngas, cooling the syngas in a radiant syngas cooler, contacting syngas cooled in the radiant syngas cooler with compressed carbon dioxide-rich gas to further cool the syngas, and removing an amount of carbon dioxide-rich gas from the product mixture and compressing the removed carbon dioxide-rich gas prior to mixing with oxygen and feedstock. | 12-23-2010 |
20110162276 | METHOD AND APPARATUS TO TRANSPORT SOLIDS - A method of operating a gasification facility includes channeling a conveying fluid at a first temperature through at least one first steam heating device to increase the temperature of the conveying fluid to a second predetermined temperature. The method also includes channeling the conveying fluid at the second predetermined temperature through a second steam heating device to increase the temperature of the conveying fluid to a third predetermined temperature. The method further includes channeling the conveying fluid at the third predetermined temperature to a solids conveyance system. Solids become entrained within the conveying fluid. The method also includes transporting at least a portion of the solids to a gasification system. | 07-07-2011 |
20110162381 | SYSTEM AND METHOD FOR COOLING SYNGAS PRODUCED FROM A GASIFIER - A syngas cooler that includes an outer wall defining a cavity. A first membrane water wall is positioned within the cavity. A thermal siphon is positioned between the first membrane water wall and the outer wall and is configured to channel a flow of syngas therethrough to facilitate cooling the channeled syngas. | 07-07-2011 |
20110179712 | METHOD AND APPARATUS TO PREHEAT SLURRY - A method of operating a gasification facility includes channeling steam into a grinding mill via a flow control device and a conduit. The method also includes mixing carbonaceous fuel, preheated water, and steam within the grinding mill, to form a preheated coal slurry stream. | 07-28-2011 |
20110179801 | METHODS AND APPARATUS FOR DILUENT NITROGEN SATURATION - In one aspect, an embodiment of the present disclosure provides an Integrated Gasification Combined Cycle (IGCC) apparatus. The apparatus includes a saturator configured to saturate NPG with water vapor, and a heat recovery steam generator (HRSG), a low pressure steam loop through the saturator, wherein the HRSG is configured to heat the low pressure steam loop. The apparatus further includes a compressor and a heat exchanger configured to heat the NPG using waste process heat and extraction air from the compressor, wherein the heated NPG thereby becomes diluent nitrogen. | 07-28-2011 |
20120131853 | CARBON CAPTURE SYSTEMS AND METHODS WITH SELECTIVE SULFUR REMOVAL - Disclosed herein are systems and methods for treating carbon dioxide in an environmentally effective manner. Systems and methods include providing a carbon dioxide enriched stream having CO | 05-31-2012 |
20120267578 | METHODS OF RECYCLING CARBON DIOXIDE TO THE GASIFICATION SYSTEM - Method of producing syngas in an IGCC system, comprising compressing and heating carbon dioxide-rich gas to produce heated compressed carbon dioxide-rich gas, mixing the heated compressed carbon dioxide-rich gas with oxygen and feedstock to form a feedstock mixture, subjecting the feedstock mixture to gasification to produce syngas, cooling the syngas in a radiant syngas cooler, contacting syngas cooled in the radiant syngas cooler with compressed carbon dioxide-rich gas to further cool the syngas, and removing an amount of carbon dioxide-rich gas from the product mixture and compressing the removed carbon dioxide-rich gas prior to mixing with oxygen and feedstock. | 10-25-2012 |
20120324790 | METHOD AND APPARATUS TO TRANSPORT SOLIDS - A method of operating a gasification facility includes channeling a conveying fluid at a first temperature through at least one first steam heating device to increase the temperature of the conveying fluid to a second predetermined temperature. The method also includes channeling the conveying fluid at the second predetermined temperature through a second steam heating device to increase the temperature of the conveying fluid to a third predetermined temperature. The method further includes channeling the conveying fluid at the third predetermined temperature to a solids conveyance system. Solids become entrained within the conveying fluid. The method also includes transporting at least a portion of the solids to a gasification system. | 12-27-2012 |
20130192190 | METHOD AND SYSTEM FOR USE WITH AN INTEGRATED GASIFICATION COMBINED CYCLE PLANT - A method of operating an integrated gasification combined cycle power generation system is provided. The method includes compressing air in an adiabatic air compressor to produce a compressed heated air stream, heating a nitrogen stream using the compressed heated air stream to produce a heated nitrogen stream and a cooled compressed air stream, and channeling the cooled compressed air stream to an air separation unit. | 08-01-2013 |
Patent application number | Description | Published |
20100183491 | SYSTEMS AND METHODS FOR TREATING A STREAM COMPRISING AN UNDESIRABLE EMISSION GAS - A method for treating a stream comprising an emission gas includes passing portions of the stream comprising the emission gas to two or more reactor units arranged in parallel while subjecting fluid flowing through at least one of the reactor units to pressure control; identifying when at least one of the reactor units trips or is taken out of service; and when at least one of the reactor units trips or is taken out of service, adjusting a flow path of said portion of the stream originally passing to the out-of-service reactor unit such that said portion passes to an absorber for removing the emission gas via a compressor, and subjecting the fluid flowing through all of the in-service reactor units to flow rate control. | 07-22-2010 |
20110033356 | SYSTEMS AND METHODS FOR TREATING A STREAM COMPRISING AN UNDESIRABLE EMISSION GAS - A method for treating a stream comprising an emission gas includes passing portions of the stream comprising the emission gas to two or more reactor units arranged in parallel while subjecting fluid flowing through at least one of the reactor units to pressure control; identifying when at least one of the reactor units trips or is taken out of service; and when at least one of the reactor units trips or is taken out of service, adjusting a flow path of said portion of the stream originally passing to the out-of-service reactor unit such that said portion passes to an absorber for removing the emission gas via a compressor, and subjecting the fluid flowing through all of the in-service reactor units to flow rate control. | 02-10-2011 |
20120055088 | SYSTEM FOR TREATING CARBON DIOXIDE - A system includes a carbon dioxide treatment system that includes a catalyst configured to treat carbon dioxide to produce a treated carbon dioxide. The system also includes a gasifier injector configured to inject the treated carbon dioxide, a fuel, and oxygen into a gasifier. The gasifier injector may be coupled to or located inside the gasifier. | 03-08-2012 |
20120093690 | SYSTEM AND METHOD OF SUBSTITUTE NATURAL GAS PRODUCTION - A system includes a radiant syngas cooler (RSC). The RSC includes cooling tubing configured to transmit a fluid. The RSC is configured to have a heat transfer area such that the RSC generates a pressure and a temperature of the fluid exiting the RSC to a level allowing for superheating of the fluid to between approximately 750° Fahrenheit and approximately 850° Fahrenheit. Additionally, the heat transfer area is determined based on an amount of heat to be transferred to the fluid as the fluid passes through a heat exchanger in a first path external to the RSC. | 04-19-2012 |
20120110908 | SYSTEM AND METHOD FOR CONCENTRATING A SOLID FUEL IN A SLURRY - According to various embodiments, a system includes a first cross-flow filter configured to remove at least a first portion of a liquid from a fuel slurry to increase a concentration of a solid fuel in the fuel slurry. The system also includes a gasifier configured to generate a syngas from the fuel slurry. | 05-10-2012 |
20130152598 | SYSTEM AND METHOD FOR THERMAL CONTROL IN A GAS TURBINE ENGINE - A system includes a gas turbine engine that includes a compressor section configured to generate compressed air and a combustor coupled to the compressor section. The combustor is configured to combust a first mixture comprising the compressed air and a first fuel to generate a first combustion gas. The gas turbine engine also includes a turbine section coupled to the combustor. The turbine section is configured to expand the first combustion gas to generate an exhaust gas. The gas turbine engine also includes a boiler coupled to the turbine section. The boiler is configured to combust a second mixture comprising a portion of the first combustion gas and a second fuel to generate a second combustion gas that is routed to the turbine section. In addition, the boiler generates a first steam from heat exchange with the second combustion gas. | 06-20-2013 |
20140007614 | SYSTEM AND METHOD FOR GAS TREATMENT - A system includes an acid gas removal (AGR) system configured to remove an acid gas from an untreated syngas to generate a treated syngas, a hydrogen separation system configured to receive the treated syngas to generate a non-permeate and a permeate, and an expander configured to expand the non-permeate to generate a cooled non-permeate. The AGR system includes a solvent chiller configured to cool a solvent via heat exchange with the cooled non-permeate. | 01-09-2014 |
Patent application number | Description | Published |
20130142564 | SCAFFOLD SYSTEM AND METHOD - A scaffold system and method having a hollow horizontal member with an internal wedge head at each end thereof, and internal wedge assembly with an external handle, and a vertical member having affixed in coaxial alignment therewith at least one grid patterned rosette. Each internal wedge head at the end of the horizontal member is configured to couple to the grid patterned rosette coupled to the vertical member substantially simultaneously using the wedge assembly mechanism. | 06-06-2013 |
20150023726 | Scaffold mount bracket - A scaffold mount bracket having an upper horizontal mount member, a wedge head, a lower horizontal mount member, a clamp, a vertical mount member, the vertical mount member having coupled proximate to the upper end thereof, and orthogonally thereto, the upper horizontal mount member and coupled to a lower end of the vertical mount member, and orthogonally thereto, the lower horizontal mount member. Coupled to the top of the vertical mount member is an attachment member having an aperture or structure for receiving, either directly or indirectly, a cable for hoisting or lowering a scaffold to which the invention is mounted or for hoisting or lowering a separate scaffold member or structure. A reinforcing plate is positioned in the plane of, and coupled to each of, the upper horizontal mount member, the vertical mount member and the lower horizontal mount member so as to strengthen the attachment of the upper horizontal mount member to the vertical mount member and the lower horizontal mount member to the vertical mount member. | 01-22-2015 |
20150075910 | Magnetic Scaffold Tie - A magnetic scaffold tie for coupling a scaffold to a tank, wall or beam. The mount has a base platform having an upper planar face and a lower open face and at least one sidewall, at least one magnet coupled between the upper planar portion and lower open face, and proximate an end of the sidewall, a release bar coupled to a release mechanism, the release bar having a plurality of positions. A coupling extension is provided having a first end coupled to and extending substantially orthogonally from the upper planar portion of the platform and a second end of the coupling extension having a scaffold coupling mechanism, such as a clamp, quick release clamp or wedge head. | 03-19-2015 |