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| Number | Title | Issue Date |
| 7409117 | Dynamic laser power control for gas species monitoring A gas species monitoring system includes a laser, a fiber amplifier configured to receive an input signal from the laser and generate an amplified signal, and a variable optical attenuation system configured to receive at least a portion of the amplified signal and ... | 08/05/2008 |
| 7401577 | Real time optimization and control of oxygen enhanced boilers An oxygen enriched boiler having a burner subassembly and a steam subassembly is disclosed. The burner subassembly has a fuel inlet, an oxidant inlet, a combustion chamber, a flue gas composition detector and a flue gas outlet. The fuel inlet provides fuel to the co... | 07/22/2008 |
| 7392657 | Methods of dissolving ozone in a cryogen ozone is dissolved ozone in a liquid cryogen. A container containing a liquified cryogen is provided. A gaseous stream of ozone is allowed to flow into at least one adsorption unit containing an adsorbent material, thereby adsorbing ozone thereupon. The cryogen is a... | 07/01/2008 |
| 7334708 | Integral blocks, chemical delivery systems and methods for delivering an ultrapure chemical Integral blocks, chemical delivery systems and methods for delivering an ultrapure chemical to a point of use or to another integral block are provided. More particularly, the integral blocks include a recharge container block, a pressurization gas block, a purge ga... | 02/26/2008 |
| 7320288 | Steam-generating combustion system and method for emission control using oxygen enhancement A steam-generating combustion system includes an oxygen enriched gas provided as at least part of an oxidant stream. A combustion chamber receives and combusts a fuel in the oxidant stream and generate steam. The combustion chamber generates flue gas having a flue g... | 01/22/2008 |
| 7300498 | Regeneration of adsorption beds using heated nitrogen A system and method for removal of solvents, or other materials, from an exhaust stream, uses an active adsorption bed and a bed that is periodically regenerated. Electrically heated nitrogen may be used to regenerate the beds. A portion of the exhaust stream to be ... | 11/27/2007 |
| 7297181 | Purification and transfilling of ammonia An ammonia purification system includes a hydrocarbon removal station that removes hydrocarbons from gaseous ammonia via adsorption, a moisture removal station that removes water from gaseous ammonia via adsorption, and a distillation station including a distillatio... | 11/20/2007 |
| 7229667 | Reduced moisture compositions comprising an acid gas and a matrix gas, articles of manufacture comprising said compositions, and processes for manufacturing same Compositions comprising a reactive gas and a matrix gas are disclosed, as well as articles of manufacture and methods of making the articles. The methods of manufacturing preferably employ zeolites to remove moisture from the reactive gas and from the matrix gas, an... | 06/12/2007 |
| 7191587 | Hybrid oxygen-fired power generation system An oxygen fired power generation system is disclosed. The power generation system has a high pressure combustor having a water recycle temperature control subassembly, and an intermediate pressure combustor having a CO2 recycle temperature control subasse... | 03/20/2007 |
| 7174744 | Method of improving the biocidal efficacy of dry ice A manufactured dry ice product containing ozone entrapped or absorbed on said dry ice. The dry ice product can be used to chill and preserve food products and provides the added benefit of ozonation of the food product to kill bacteria. Novel processes for ozonating... | 02/13/2007 |
| 7141500 | Methods for forming aluminum containing films utilizing amino aluminum precursors A method of forming an aluminum containing film on a substrate includes providing a precursor having the chemical structure: Al(NR1R2)(NR3R4)(NR5R6); where each of R1, R2, R... | 11/28/2006 |
| 7137194 | Apparatus and method for maintaining a dry atmosphere in a surface mount device placement machine The apparatus and method of the present invention relates use a dry atmosphere in the component storage portion of the surface mount device placement machine. The dry atmosphere provides the benefit of eliminating the baking process and other moisture management iss... | 11/21/2006 |
| 7080655 | Regulator for low concentration corrosive and reactive gases A filter-less regulator is implemented for use in fluid flow systems that process low concentration reactive gases. The regulator includes an inlet, an outlet and a fluid flow path defined between the inlet and outlet by internal surfaces of the housing. The regulat... | 07/25/2006 |
| 7069867 | Process for burning sulfur-containing fuels A process for burning a sulfur-containing fuel to produce a flue gas. The process includes introducing a sulfur-containing fuel into a combustion chamber, introducing an oxidant stream into the combustion chamber and mixing it with the sulfur-containing fuel to defi... | 07/04/2006 |
| 7066728 | Process and apparatus for oxygen enrichment in fuel conveying gases An improved process for burning solid fuel particles in a combustion chamber and creating a flue gas is disclosed. The method comprises creating a fuel gas stream by mixing the solid fuel particles with a conveying gas, transporting the fuel gas stream through a fue... | 06/27/2006 |
| 7062912 | Integrated heat recovery systems and methods for increasing the efficiency of an oxygen-fired furnace An air separation unit separates air into an oxygen-rich and oxygen-deficient gas. Fuel gas and the oxygen-rich gas are preheated at heat exchangers through which hot flue gas flows. Combustion of the preheated fuel and oxygen-rich gases result in the hot flue gas. ... | 06/20/2006 |
| 7056419 | Methods for modifying electrical properties of papermaking compositions using carbon dioxide Carbon dioxide may be used to adjust the electrical properties of papermaking compositions. Such papermaking compositions may contain a colloid phase, an aqueous phase, and optionally, pulp fibers. Examples of electrical properties whose values may be adjusted inclu... | 06/06/2006 |
| 7022992 | Method and apparatus for real-time monitoring of furnace flue gases A method and apparatus for monitoring the flue gases of a furnace combustion process is disclosed. A by-pass circuit that communicates a sample of flue gases to be monitored from a furnace, through a measurement chamber and back to the furnace or furnace exhaust duc... | 04/04/2006 |
| 7022212 | Micro structured electrode and method for monitoring wafer electroplating baths A microstructured electrode coupled with an analytical method designed to simulate the actual conditions on the wafer and to measure critical parameters such as mass transfer of the active plating components, deposition rates of the copper in the plating bath soluti... | 04/04/2006 |
| 7014458 | High velocity injection of enriched oxygen gas having low amount of oxygen enrichment Methods and apparatus for combustion of a hydrocarbon fuel in a combustion chamber of a furnace or boiler are presented, the combustion normally using only air as an oxidant, part of the air entering the combustion chamber through one or more burners, and a remainin... | 03/21/2006 |
| 6992282 | Use of a nebulizer to add gas to eliminate metal deposition on the sampling orifices of an inductively coupled plasma mass spectrometer Use of a nebulizer add-gas to reduce metal deposition on the sampling orifices of an inductively coupled plasma mass spectrometer (“ICP-MS”) is disclosed. Specifically, dilute mixtures of Sulfur Hexafluoride (SF6) in an inert gas have been used to red... | 01/31/2006 |
| 6969416 | Method for controlling slag characteristics in an electric arc furnace A method of controlling slag characteristics in an electric arc furnace control is disclosed. The furnace has inputs including oxygen supply and carbon supply. The method of controlling slag characteristics includes introducing a charge to be melted into the furnace... | 11/29/2005 |
| 6955051 | Steam generation apparatus and methods Steam generation apparatus and methods are presented that are dedicated to oxygen-enriched air combustion of a fuel, wherein the oxygen concentration of the oxygen-enriched air may range from just above 21 percent to 100 percent. One apparatus comprises an oxygen-en... | 10/18/2005 |
| 6935251 | Steam-generating combustion system and method for emission control using oxygen enhancement A steam-generating combustion system includes an oxygen enriched gas provided as at least part of an oxidant stream. A combustion chamber receives and combusts a fuel in the oxidant stream and generate steam. The combustion chamber generates flue gas having a flue g... | 08/30/2005 |
| 6913457 | Method and apparatus for optimized CO post-combustion in low NOx combustion processes An improved process for burning a fuel to produce a flue gas is disclosed. The fuel is burned in a main combustion zone in the presence of a main combustion oxidant to produce combustion products. The combustion products are mixed in a post-combustion zone positione... | 07/05/2005 |
| 6912756 | Lance for injecting fluids for uniform diffusion within a volume An injection lance for injecting a fluid over a predefined target area within a system includes a support block with an inlet side and an outlet side. A plurality of channels are disposed non-parallel with respect to each other within the support block and extend be... | 07/05/2005 |
| 6899116 | Pressure vessel systems and methods for dispensing liquid chemical compositions Apparatus and processes are presented to contact a dry, preferably high purity inert gas with a chemical composition in a pressure vessel, or a wetting composition, to form a wet inert gas, which is then used to pressurize the chemical composition out of the pressur... | 05/31/2005 |
| 6883721 | Method and system for lancing gas into an environment with variable entrainment of non-lanced gas A system and method are disclosed for lancing gas into an environment, such as a furnace, wherein an inner conduit is in communication with a gas supply and adapted to transport a gas at a first mass flow rate, and an outer conduit is in communication with a gas sup... | 04/26/2005 |
| 6885452 | Chamber effluent monitoring system and semiconductor processing system comprising absorption spectroscopy measurement system, and methods of use Provided is a novel chamber effluent monitoring system. The system comprises a chamber having an exhaust line connected thereto. The exhaust line includes a sample region, wherein substantially all of a chamber effluent also passes through the sample region. The sys... | 04/26/2005 |
| 6877219 | Apparatus for placing components on printed circuit boards The apparatus and method of the present invention relates use a dry atmosphere in the component storage portion of the surface mount device placement machine. The dry atmosphere provides the benefit of eliminating the baking process and other moisture management iss... | 04/12/2005 |
| 6875414 | Polysulfide measurement methods using colormetric techniques Methods of converting a sulfide in a composition to polysulfide are described, one method comprising the steps of exposing the composition to conditions and for a time sufficient to cause conversion of at least a portion of the sulfide, to polysulfide to form a modi... | 04/05/2005 |
| 6866748 | Process for preparing polysulfides using clarified white liquor The present invention provides a process for preparing polysulfide. More particularly, the process of the present invention allows one to prepare the amount of polysulfide needed using clarified white liquor, and to be used when and where it is needed during the coo... | 03/15/2005 |
| 6859766 | Indirect gas species monitoring using tunable diode lasers A method for indirect gas species monitoring based on measurements of selected gas species is disclosed. In situ absorption measurements of combustion species are used for process control and optimization. The gas species accessible by near or mid-IR techniques are ... | 02/22/2005 |
| 6816812 | Methods and apparatus for estimating moisture absorption by hygroscopic materials Disclosed are methods and apparatus to measure specific mass increases (due to the absorption of moisture) that occur in materials and for predicting moisture absorption in materials. In one method, pre-dried plastic encapsulated microchip packages (PEMs) are expose... | 11/09/2004 |
| 6813902 | Systems and methods for increasing production of spheroidal glass particles in vertical glass furnaces A retrofit technology for air-fuel fired, vertical glass furnace for oxygen firing or boosting to provide additional heat to the process to increase furnace production capacity. The additional firing using oxygen is strategically controlled to enable enhanced radiat... | 11/09/2004 |
| 6799526 | Methods of improving productivity of black liquor recovery boilers Methods of increasing the throughput of recovery boilers equipped with at least three levels of injection of air with oxygen enrichment of the air in at least one air level. In one method, a black liquor recovery boiler has three levels of air injection, and oxygen ... | 10/05/2004 |
| 6793771 | Ozone bleaching of low consistency pulp Provided is a process for bleaching pulp with ozone. The process involves preparing a slurry of cellulosic pulp having a consistency in fibers of from 1-5 weight %. Such a low consistency slurry is then mixed with ozone under high shear conditions. The ozone is then... | 09/21/2004 |
| 6783357 | Preheated fuel and oxidant combustion burner A burner apparatus comprises a conduit adapted to convey preheated oxidant and having outlet and inlet ends, and a conduit adapted to convey preheated fuel and having outlet and inlet ends. The conduit adapted to convey preheated fuel is substantially parallel to th... | 08/31/2004 |
| 6773547 | Process for the bleaching of low consistency pulp using high partial pressure ozone Provided is a process for bleaching pulp with ozone. The process involves preparing a slurry of cellulosic pulp having a consistency in fibers of from 1 up to 5 weight %. Such a low consistency slurry is then mixed with high partial pressure ozone under high shear c... | 08/10/2004 |
| 6752852 | Apparatus for removing moisture from fluids comprising acid gases; methods of using same, and compositions Methods and apparatus for reducing moisture content of fluids comprising moisture and a sulfur-containing compound are disclosed. The methods use an acid gas resistant molecular sieve, and the sulfur-containing compounds are preferably selected from the group consis... | 06/22/2004 |
