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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7867462 | Coal combustion systems with emissions control and fly ash beneficiation and methods thereof A method and system for controlling emissions with ammonia recovery and fly ash beneficiation in accordance with the present invention includes introducing ammonia to react with at least a portion of sulfur trioxides in an exhaust emission and result in at least one... | 01/11/2011 |
| 7771685 | Process and system for removing hydrogen sulfide and mercaptans in ammonia-based desulfurization systems A flue gas desulfurization process and system that utilize ammonia as a reactant, and in which any hydrogen sulfide and/or mercaptans within the ammonia are separated during the desulfurization process so as to prevent their release into the atmosphere. The process ... | 08/10/2010 |
| 7390470 | Process for treating a gas stream Processes for selectively removing sulfur-containing compounds from a gas are described herein. The processes generally include contacting a first gas including carbon dioxide and hydrogen sulfide with a scrub solution including ammonium bisulfite and ammonium sulfi... | 06/24/2008 |
| 7326286 | Exhaust gas treating tower Provided is an exhaust gas treating tower in which exhaust gas flow velocity is increased more than a prior art case so that exhaust gas treating efficiency can be enhanced or the exhaust gas treating tower can be made compact if equivalent performance is to be main... | 02/05/2008 |
| 7311887 | Hybrid wet and dry electrostatic precipitator ammonia scrubber A process reduces SOx emissions in a flue gas stream by adding a wet collector plate section to an existing electrostatic precipitator (ESP) or by converting the last field of an existing ESP to wet operation. To achieve the conversion, the last field or ... | 12/25/2007 |
| 7291576 | SOtrap for diesel and lean-burn gasoline automotive applications The present invention provides a regenerable catalyst composition suitable for entrapping SOx. The composition of the invention comprises a copper oxide having the formula (Cu/(A oxide) where A oxide is SiO2, Zr—SiO2, Al2 | 11/06/2007 |
| 7273595 | Method and apparatus for the production of gaseous ammonia from a urea solution A safe, economical and predictable process for producing ammonia from a urea solution, preferably where only a small amount of ammonia is required, (i.e. for SCR denitrification for small boilers, flue gas conditioning to enhance precipitator efficiency and/or allev... | 09/25/2007 |
| 7255842 | Multi-component removal in flue gas by aqua ammonia A new method for the removal of environmental compounds from gaseous streams, in particular, flue gas streams. The new method involves first oxidizing some or all of the acid anhydrides contained in the gas stream such as sulfur dioxide (SO2) and nitric o... | 08/14/2007 |
| 7226570 | Fly ash conditioning systems An algorithm process for treating fly ash found in flue gas to prevent rapping reentrainment of fly ash particles comprising adding ammonia to the fly ash particles in a stoichometric amount of one part or somewhat less of ammonia to one part of sulfur trioxide, suc... | 06/05/2007 |
| 7223375 | Emission control systems and methods thereof A method and system for controlling one or more emissions includes introducing ammonia to react with at least a portion of sulfur trioxides in an exhaust emission and result in at least one or more ammoniated compounds. At least a portion of fly ash particles and th... | 05/29/2007 |
| 7213395 | Hybrid catalyst system for exhaust emissions reduction One aspect of the invention relates an exhaust treatment system having an SCR reactor following a NOx adsorber. Syn gas is used to regenerate the NOx adsorber. Another aspect relates to an LNT/SCR provided with an ammonia source separate from the LNT. A further aspe... | 05/08/2007 |
| 7101425 | Washer and method for purifying gases In a washer for cleaning gases that contain particulate and/or gaseous impurities, the gases are conveyed through an absorption column that is sprayed with washing fluid. An additionally provided jet pump (7) operates with the washing fluid, wherein said jet ... | 09/05/2006 |
| 7052662 | NOx, Hg, and SOremoval using alkali hydroxide A process and apparatus for removing SO2, NO, and NO2 from a gas stream having the steps of oxidizing a portion of the NO in the flue gas stream to NO2, scrubbing the SO2, NO, and NO2 with an alkali scrubbing so... | 05/30/2006 |
| 7048899 | Removing NOx, SO, and Hg from a gas stream using limestone regeneration A process and apparatus for removing SO2, NO, and NO2 from a gas stream having the steps of oxidizing a portion of the NO in the flue gas stream to NO2, scrubbing the SO2, NO, and NO2 with an ammonia, ammonium h... | 05/23/2006 |
| 7037434 | Integrated water treatment and flue gas desulfurization process A water stream containing hardness minerals is subjected to a water treatment process using an alkali agent to precipitate the hardness minerals and to produce a softened water stream is used to create an integrated water treatment and flue gas desulfurization proce... | 05/02/2006 |
| 6991771 | NOx, Hg, and SOremoval using ammonia A process and apparatus for removing SO2, NO, and NO2 from a gas stream having the steps of oxidizing a portion of the NO in the flue gas stream to NO2, scrubbing the SO2, NO, and NO2 with an ammonia scrubbing s... | 01/31/2006 |
| 6936231 | NOx, Hg, and SO2 removal using ammonia A process and apparatus for removing SO2, O, and NO2 from a gas stream having the steps of oxidizing a portion of the NO in the flue gas stream to NO2, scrubbing the SO2, NO, and NO2 with an ammonia scrubbing so... | 08/30/2005 |
| 6803025 | Process for removing SO3/H2SO4 from flue gases A process of using sodium carbonate and sodium bicarbonate solutions to remove SO3 and other acidic gases or vapors from a flue gas without substantially decreasing the amount of sulfur dioxide also present in the flue gas. Very limited quantities of such... | 10/12/2004 |
| 6722295 | Method for the combined reduction of nitrogen oxide and sulfur dioxide concentrations in the furnace region of boilers A method for the combined reduction of sulfur dioxide, SO2, and nitrogen oxides, NOx, in the gas stream of a furnace from the combustion of fossil fuels is disclosed. In a narrow gas temperature zone in a furnace, NOx is converted to... | 04/20/2004 |
| 6638342 | Process and facility for removing metal contaminants from fertilizer streams A process and system for producing fertilizers with reduced levels of contaminants, and particularly a flue gas scrubbing process and facility that produce a fertilizer byproduct which is treated to remove heavy metals originally present in the scrubbed f... | 10/28/2003 |
| 6605263 | Sulfur dioxide removal using ammonia A process and apparatus for removing SO2 from a gas stream having the steps of scrubbing the SO2 with an ammonia scrubbing solution and removing any aerosols generated by the scrubbing in a wet electrostatic precipitator. The scrubbi... | 08/12/2003 |
| 6569395 | Method and apparatus for flue gas desulfurization A method for flue gas desulfurization in which sulfur oxides in the flue gas are converted into powdery ammonium compound, including providing an aqueous ammonia spraying device configured to atomize aqueous ammonia into droplets, cooling flue gas contain... | 05/27/2003 |
| 6534030 | Process for producing ammonium thiosulfate A process for producing ammonium thiosulfate by contacting a feed gas containing hydrogen sulfide and ammonia with an aqueous absorbing stream containing ammonium sulfite and ammonium bisulfite to form an ammonium thiosulfate-containing solution; the abso... | 03/18/2003 |
| 6531104 | Process for the absorption of sulfur oxides and the production of ammonium sulfate A flue gas mixture containing sulfur oxides is scrubbed in a countercurrent spray tower absorber with a spray of ammonium sulfate liquor and the scrubbed gas stream containing ammonia aerosols, sulfur trioxide aerosols and ammonia slip is passed to a wet ... | 03/11/2003 |
| 6365099 | In situ gas scrubbing method and system for odor and corrosion control in wastewater collection systems A process and system for reducing the concentration of odorous contaminants, primarily hydrogen sulfide, in the vapor spaces of sewage handling and treatment systems, primarily the vapor spaces of sewage trunk lines, by injecting a fine spray, mist or fog... | 04/02/2002 |
| 6277343 | Flue gas scrubbing method and apparatus therefor An apparatus and process for removing acidic gases, such as sulfur dioxide, hydrogen chloride and hydrogen fluoride, from flue gases produced by processing operations of the type carried out in utility and industrial plants. The apparatus is generally a g... | 08/21/2001 |
| 6235256 | Process and device for the scrubbing acidic gases In a process and corresponding device for scrubbing acidic gases out of flue gases using adsorbent-containing suspensions, the flue gases are conveyed into a scrubber with narrowing channels and accelerated in a first stage in a direction opposite to the ... | 05/22/2001 |
| 6221325 | Process for controlling ammonia slip in the reduction of sulfur dioxide emission A wet flue gas desulfurization process for removing sulfur dioxide from flue gases. The process utilizes an ammonium sulfate scrubbing solution containing free dissolved ammonia as the reagent for the desulfurization process to produce ammonium sulfate as... | 04/24/2001 |
| 6217839 | Removal of sulfur compounds from gaseous waste streams Sulfur dioxide and other sulfur compounds are removed from various waste gas streams including those from incineration, refinery sulfur processing, coal burning, or metal smelting operations. The process for sulfur compound removal comprises, in an adsorp... | 04/17/2001 |
| 6187278 | Process for controlling ammonia slip in the reduction of sulfur dioxide emission A process is provided for removing sulfur dioxide out of gases by feeding the gases into a scrubber, where they are counter-currently contacted with a descending solution containing ammonium hydroxide and ammonium sulfate so that the sulfur dioxide is sor... | 02/13/2001 |
| 6180074 | Method for processing flue gases containing sulphur oxides A method for removing contaminants, such as sulfur dioxide, mercury and hydrochloric acid, out of flue gases is provided, said method including the steps of: treating the flue gases with a reagent, such as sodium carbonate, sodium bicarbonate and ammonium... | 01/30/2001 |
| 6066304 | Process for removing sulfur dioxide out of a gas A process is provided for scrubbing sulfur dioxide out of a flue gas by contacting the flue gas with a scrubbing liquid containing diammonium phosphate and ammonium sulfite and in which the total concentration of phosphates is maintained in a balance with... | 05/23/2000 |
| 6063352 | Method of removing sulfur dioxide from flue gases, especially power plant flue gases and flue gases from garbage incinerator plants SO2 containing flue gas is scrubbed with a scrubbing solution made up from ammonia water, untreated ammonium sulfate scrubbing solution recycled from the bottom of the scrubbing zone and ammonium sulfate solution formed by oxidizing a portion o... | 05/16/2000 |
| 5980848 | Method for production of sodium bicarbonate, sodium carbonate and ammonium sulfate from sodium sulfate There is disclosed a process for recovering sodium bicarbonate and forming ammonium sulfate from a source containing sodium sulfate. The method involves contacting the sodium sulfate in solution with carbon dioxide and a compound containing ammonia. Sodiu... | 11/09/1999 |
| 5958353 | Method for reducing atmospheric pollution The invention provides a method for reducing atmospheric pollution caused by a pollutant selected from the group consisting of CO2, SO2 and a mixture thereof, the pollutant being contained in industrial gases being emitted to the atm... | 09/28/1999 |
| 5958335 | Method and apparatus for preventing corrosion of exhaust gas treatment systems A corrosion preventive method and an apparatus for preventing corrosion of stainless steel components in an exhaust gas desulfurizing apparatus of an exhaust gas treatment system comprising the exhaust gas desulfurizing apparatus for removing at least sul... | 09/28/1999 |
| 5834722 | Method and apparatus for treating waste gases by exposure to electron beams The improved method for treating waste gases by exposure to electron beams which comprises adding ammonia to a waste gas containing sulfur oxide (SOx) and/or nitrogen oxides (NOx) and thereafter exposing the gas to an electron beam s... | 11/10/1998 |
| 5820766 | Reduction of sulfide in fluids A composition and a process for substantially reducing or removing sulfide from a sulfide-containing fluid are disclosed. The composition comprises, or is prepared by combining components comprising, a sulfide-containing fluid and a sulfide-scavenging amo... | 10/13/1998 |
| 5630991 | Limestone-based wet flue gas desulfurization process The limestone dissolution rate for limestone-containing slurries used in wet flue gas desulfurization (WFGD) systems is enhanced by the addition of ammonium ions. The ammonium ions may be obtained by incorporating into the limestone-containing slurry gase... | 05/20/1997 |
| 5624649 | Process for reduction of sulfur dioxide emission from combustion gases combined with production of potassium sulfate A wet flue gas desulfurization process and system are provided for removing sulfur dioxide from flue gases produced by processing operations of the type carried out in utility and industrial plants. In particular, the desulfurization process utilizes an a... | 04/29/1997 |
