Patent application number | Description | Published |
20080241027 | METHOD AND APPARATUS FOR REMOVING MERCURY FROM COMBUSTION EXHAUST GAS - A method for reducing mercury emissions in combustion flue gas is provided. The method includes combusting coal such that a flue gas flow is created. The flue gas flow includes at least mercury and carbon-containing fly ash. The method further includes cooling the flue gas flow within a duct and creating turbulence in the flue gas flow. The mercury is removed from the flue gas flow. | 10-02-2008 |
20080241028 | METHODS AND APPARATUS TO FACILITATE REDUCING MERCURY EMISSIONS - A method for reducing an amount of mercury in flue gas is provided. The method includes injecting a quantity of coal having a fineness of less than 70%<200 mesh and greater than or equal to 50%<200 mesh. The quantity of coal is combusted in a quantity of air such that at least carbon-containing fly ash and mercury are formed. Mercury is oxidized using at least the carbon-contain fly ash. | 10-02-2008 |
20080241029 | METHODS AND APPARATUS FOR REMOVING MERCURY FROM COMBUSTION FLUE GAS - A method for reducing an amount of mercury in flue gases generated by the combustion of coal is provided. The method includes combusting a quantity of coal and a quantity of air within a primary combustion area such that a fly ash containing carbon and elemental mercury is formed within the flue gases, supplying air to the primary combustion area such that a portion of the air is channeled to an overfire air burnout area downstream from the primary combustion area to facilitate increasing an amount of the carbon content in the fly ash, cooling the flue gases to facilitate oxidizing the elemental mercury using the carbon content in the fly ash, and injecting sorbent into the flue gases to facilitate further reducing the amount of mercury in the flue gases. | 10-02-2008 |
20090078175 | METHOD AND APPARATUS FOR OPERATING A FUEL FLEXIBLE FURNACE TO REDUCE POLLUTANTS IN EMISSIONS - A fuel flexible furnace, including a main combustion zone, a reburn zone downstream from the main combustion zone, and a delivery system operably coupled to supplies of biomass and coal and configured to deliver the biomass and the coal as ingredients of first and reburn fuels to the main combustion zone and the reburn zone, with each fuel including flexible quantities of the biomass and/or the coal. The flexible quantities are variable with the furnace in an operating condition. | 03-26-2009 |
20090211444 | METHOD AND SYSTEM FOR REDUCING MERCURY EMISSIONS IN FLUE GAS - Method and a system for capturing mercury in a flue gas are provided. The method includes partially oxidizing a carbonaceous solid fuel in a gasifier such that a thermally activated carbon-containing solid sorbent and gaseous gasification products are generated wherein the gasifier is proximate to a combustion system for combusting a mercury containing fuel. The method further includes storing the generated thermally activated carbon-containing solid sorbent proximate to the combustion system and combusting a mercury containing fuel in a combustion zone of the combustion system wherein mercury released during combustion is entrained in flue gas generated by the combustion. The method also includes injecting the thermally activated solid sorbent in the flue gas downstream of the combustion zone and absorbing at least a portion of the entrained mercury on the thermally activated solid sorbent. | 08-27-2009 |
20100200419 | LOW-VOLTAGE ALKALINE PRODUCTION FROM BRINES - An alkaline production system comprising an electrochemistry unit comprising a hydrogen-oxidizing anode in communication with a cathode electrolyte; wherein the electrochemistry unit is operably connected to a carbon sequestration system configured to sequester carbon dioxide with the cathode electrolyte. In another embodiment, an electrochemistry unit comprising a hydrogen-oxidizing anode in communication with a cathode electrolyte; and a carbon sequestration system configured to sequester carbon dioxide with the cathode electrolyte; and methods thereof. | 08-12-2010 |
20100203461 | COMBUSTION SYSTEMS AND PROCESSES FOR BURNING FOSSIL FUEL WITH REDUCED EMISSIONS - A combustion system includes a combustion zone comprising a burner for converting a fuel, under fuel rich conditions, to a flue gas; an intermediate staged air zone downstream from the combustion zone for supplying intermediate staged air to the flue gas and producing fuel lean conditions; a reburn zone downstream from the intermediate staged air zone for receiving the flue gas; and an inlet downstream from the combustion zone for supplying a mixture of air and a reduction reagent to the flue gas, wherein the reduction reagent is configured to reduce an amount of a pollutant species in the flue gas. | 08-12-2010 |
20100219373 | GAS STREAM MULTI-POLLUTANTS CONTROL SYSTEMS AND METHODS - In some embodiments, the invention provides systems and methods for removing carbon dioxide and/or additional components of waste gas streams, comprising contacting the waste gas stream with an aqueous solution, removing carbon dioxide and/or additional components from the waste gas stream, and containing the carbon dioxide and/or additional components, in one form or another, in a composition. In some embodiments, the composition is a precipitation material comprising carbonates, bicarbonates, or carbonates and bicarbonates. In some embodiments, the composition further comprises carbonate and/or bicarbonate co-products resulting from co-processing SOx, NOx, particulate matter, and/or certain metals. Additional waste streams such as liquid, solid, or multiphasic waste streams may be processed as well. | 09-02-2010 |
20100229725 | Systems and Methods for Processing CO2 - Systems and methods for lowering levels of carbon dioxide and other atmospheric pollutants are provided. Economically viable systems and processes capable of removing vast quantities of carbon dioxide and other atmospheric pollutants from gaseous waste streams and sequestering them in storage-stable forms are also discussed. | 09-16-2010 |
20100230830 | Systems and Methods for Processing CO2 - Systems and methods for lowering levels of carbon dioxide and other atmospheric pollutants are provided. Economically viable systems and processes capable of removing vast quantities of carbon dioxide and other atmospheric pollutants from gaseous waste streams and sequestering them in storage-stable forms are also discussed. | 09-16-2010 |
20100236242 | Systems and Methods for Processing CO2 - Systems and methods for lowering levels of carbon dioxide and other atmospheric pollutants are provided. Economically viable systems and processes capable of removing vast quantities of carbon dioxide and other atmospheric pollutants from gaseous waste streams and sequestering them in storage-stable forms are also discussed. | 09-23-2010 |
20110030957 | CARBON CAPTURE AND STORAGE - Aspects of the invention include methods of contacting carbon dioxide with an aqueous mixture. In practicing methods according to certain embodiments, a subterranean brine may be contacted with carbon dioxide to produce a reaction product, which may or may not be further processed as desired. Also provided are methods in which a brine or minerals are contacted with an aqueous composition. Aspects of the invention further include compositions produced by methods of the invention as well as systems for practicing methods of the invention. | 02-10-2011 |
20110033239 | UTILIZING SALTS FOR CARBON CAPTURE AND STORAGE - Aspects of the invention include methods of contacting carbon dioxide with an aqueous mixture. In practicing methods according to certain embodiments, a subterranean brine may be contacted with carbon dioxide to produce a reaction product, which may or may not be further processed as desired. Also provided are methods in which a brine or minerals are contacted with an aqueous composition. Aspects of the invention further include compositions produced by methods of the invention as well as systems for practicing methods of the invention. | 02-10-2011 |
20110035154 | UTILIZING SALTS FOR CARBON CAPTURE AND STORAGE - Aspects of the invention include methods of contacting carbon dioxide with an aqueous mixture. In practicing methods according to certain embodiments, a subterranean brine may be contacted with carbon dioxide to produce a reaction product, which may or may not be further processed as desired. Also provided are methods in which a brine or minerals are contacted with an aqueous composition. Aspects of the invention further include compositions produced by methods of the invention as well as systems for practicing methods of the invention. | 02-10-2011 |
20110056416 | SYSTEM FOR COMBUSTION OPTIMIZATION USING QUANTUM CASCADE LASERS - A system with a boiler and a turbine, and an associated control method. The method includes sensing a plurality of operating conditions at a first common boiler location. At least one of the plurality of operating conditions sensed at the first common location is indicative of a combustion anomaly occurring during operation. The combustion anomaly indicated by the plurality of operating conditions at the first common location is traced back to an offending burner that is at least partially responsible for the combustion anomaly based on a model that takes into consideration at least two of the plurality of operating conditions sensed at the first common location. At least one of a process input and a boiler configuration is adjusted to establish a desired value of the operating conditions at the first common location. | 03-10-2011 |
20110061575 | COMBUSTION CONTROL SYSTEM AND METHOD USING SPATIAL FEEDBACK AND ACOUSTIC FORCINGS OF JETS - A system is provided that includes a combustion system having a plurality of jets; a spatial monitoring system with a plurality of sensors disposed in a spatial grid within or downstream from the combustion system; and a control system configured to adjust a forcing frequency of at least one fluid jet in the plurality of fluid jets in response to sensor feedback from the spatial monitoring system. | 03-17-2011 |
20110226989 | GAS STREAM MULTI-POLLUTANTS CONTROL SYSTEMS AND METHODS - In some embodiments, the invention provides systems and methods for removing carbon dioxide and/or additional components of waste gas streams, comprising contacting the waste gas stream with an aqueous solution, removing carbon dioxide and/or additional components from the waste gas stream, and containing the carbon dioxide and/or additional components, in one form or another, in a composition. In some embodiments, the composition is a precipitation material comprising carbonates, bicarbonates, or carbonates and bicarbonates. In some embodiments, the composition further comprises carbonate and/or bicarbonate co-products resulting from co-processing SOx, NOx, particulate matter, and/or certain metals. Additional waste streams such as liquid, solid, or multiphasic waste streams may be processed as well. | 09-22-2011 |
20110247336 | Systems and Methods for Processing CO2 - Systems and methods for lowering levels of carbon dioxide and other atmospheric pollutants are provided. Economically viable systems and processes capable of removing vast quantities of carbon dioxide and other atmospheric pollutants from gaseous waste streams and sequestering them in storage-stable forms are also discussed. | 10-13-2011 |
20130008354 | METHODS AND SYSTEMS OF BICARBONATE SOLUTION - Provided herein are methods and systems to produce a bicarbonate solution from one or more of natural substances and to contact the bicarbonate solution with cathode electrolyte in an electrochemical system to produce a product containing carbonate or combination of carbonate and bicarbonate. | 01-10-2013 |