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| Number | Title | Issue Date |
| 7438876 | Multi-stage heat absorbing reactor and process for SCR of NOx and for oxidation of elemental mercury A selective catalytic reduction apparatus has at least first and last catalyst layers in series for reducing nitrogen oxides in a flue gas, at least one interstage heat exchanger located after the first layer and before the last layer, that lowers flue gas temperatu... | 10/21/2008 |
| 7399451 | Pollution control Device for pollution control where a polluted stream of air or gas is purified from both oxidisable material and nitrogen oxides simultaneously by a combination of regenerative high temperature treatment and catalytic treatment. ... | 07/15/2008 |
| 7357221 | Exhaust gas muffler An exhaust gas muffler is provided for an internal combustion engine, especially for an internal combustion engine in a manually-guided implement such as a power saw, a cut-off machine, or the like. The muffler has a housing having an inlet for exhaust gases and an ... | 04/15/2008 |
| 7332136 | Airbox in a regenerative thermal oxidiser An air box in a regenerative thermal oxidiser has one or several beds of a heat-storing and heat-transferring material. The air box is connected with a gas inlet/outlet and comprises a gas permeable surface that is turned towards one of the beds. The air box has dis... | 02/19/2008 |
| 7325562 | Heated seal air for valve and regenerative thermal oxidizer containing same Valve with heated sealing gas suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve util... | 02/05/2008 |
| 7294316 | Honeycomb structure, honeycomb filter and processes for the production thereof A honeycomb structure that is a plurality of honeycomb segments (21) bonded into one piece by a bonding material (25), the honeycomb segments (21) each having a large number of through-channels (11) separated from each other by partition ... | 11/13/2007 |
| 7276212 | Exhaust articles for internal combustion engines Provided is a base metal undercoat containing catalyst and an exhaust article containing the catalyst. The catalyst contains a base metal undercoat with an oxygen storage component, and at least one catalytic layer. Also provided are methods for preparing the cataly... | 10/02/2007 |
| 7210287 | Accelerating catalytic conversion A method of reducing exhaust emission from a catalytic converter apparatus of a vehicle, the apparatus including at least one catalytic converter, each of the at least one catalytic converter having a catalyst brick positioned within a predefined length of the vehic... | 05/01/2007 |
| 7150446 | Dual lift system Valve and valve lift system suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve is sea... | 12/19/2006 |
| 7147919 | Expansion graphite sheet of high thermal resistance, and exhaust gasket of high thermal resistance An expansion graphite sheet of high thermal resistance includes an expansion graphite as a main component, and inorganic thermal resistance particles made of at least one selected from the group consisting of aluminum boride (AlB2 and/or AlB12)... | 12/12/2006 |
| 7096931 | Increased heat exchange in two or three phase slurry Ribbed heat exchange tubes in which the aspect ratio of the ribs is less than 5, provide greater indirect heat exchange than conventional heat exchange tubes with or without fins, when used in a slurry comprising a liquid phase, in which is dispersed flowing gas bub... | 08/29/2006 |
| 7070634 | Plasma reformer for hydrogen production from water and fuel A plasma reformer for the chemical reforming of gaseous mixtures of water and hydrocarbon fuels for producing hydrogen. The reformer contains a reaction chamber with outer lateral walls containing emitter electrodes and inner lateral walls containing collector elect... | 07/04/2006 |
| 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 |
| 7033544 | Determination of supplemental fuel requirement and instantaneous control thereof involving regenerative thermal oxidation A control system for a regenerative thermal oxidizer in which contaminated air is first passed through a hot heat-exchange bed and into a communicating high temperature oxidation (combustion) chamber, and then through a relatively cool second heat exchange bed. The ... | 04/25/2006 |
| 7017592 | Regenerative fume-incinerator with on-line burn-out and wash-down system A method and apparatus for on-line wash-down of a heat sink media bed in a regenerative heat exchanger of a regenerative fume incinerator is disclosed. When a heat sink media bed requires cleaning, the selected regenerative heat exchanger is cooled while the remaini... | 03/28/2006 |
| 6939522 | Honeycomb structure A honeycomb structure (10) having a large number of through-holes (11) formed in the axial direction and defined by partition walls, wherein slits (12) are formed so as to be exposed to at least part of the outer surface (13) of the honey... | 09/06/2005 |
| 6935105 | Integrated apparatus for removing pollutants from a fluid stream in a lean-burn environment with heat recovery An apparatus and method to treat fluid streams, and in particular emissions from lean-burn engines such as diesel engines, are disclosed, which use multiple catalysts chosen to remove hydrocarbons, carbon monoxide, particulate matter, and oxides of nitrogen. The app... | 08/30/2005 |
| 6919055 | Hydrogen supply device In the hydrogen supply device for producing and supplying hydrogen to a fuel cell, a heat exchange section has a rotary thermal storage through which low and high temperature passages pass. Reforming material is supplied to the low temperature fluid passage on an up... | 07/19/2005 |
| 6919049 | System for neutralizing polluting gases by pyrolysis A system for neutralizing polluting gases from petrol and diesel internal combustion engines, or industrial smoke. The neutralizing system includes modules assembled together or integrated, chosen in accordance with the quantity of pollutant gases and their nature. ... | 07/19/2005 |
| 6749815 | Switching valve seal Switching valve utilizing a rotatable seal suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. The valve has a seal plate t... | 06/15/2004 |
| 6716750 | System and method for processing residual gas A system for processing residual gas that includes a chamber having at least one baffle for increasing gas flow path, a residual gas inlet mechanism connected to the chamber for supplying residual gas to the chamber, at least one first gas inlet mechanism connected ... | 04/06/2004 |
| 6681497 | Web dryer with fully integrated regenerative heat source and control thereof Integrated web dryer and regenerative heat exchanger, as well as a method of drying a web of material using the same. The apparatus and method of the present invention provides for the heating of air and the converting of VOCs to harmless gases in a fully... | 01/27/2004 |
| 6576198 | Modular VOC entrapment chamber for a two-chamber regenerative oxidizer Regenerative oxidizer including an entrapment chamber and damper assembly, as well as a method of oxidizing volatile organic compounds in a gas using such apparatus. To improve the VOC destruction efficiency and eliminate opacity issues resulting from hea... | 06/10/2003 |
| 6491877 | Method and device for initiating a hydrogen/oxygen reaction in a reactor safety vessel A hydrogen/oxygen reaction is initiated in a catalytic recombination or ignition device. The device has one or more catalyst bodies with a predetermined catalytic surface. Only a small portion of the entire available catalytic surface, preferably less tha... | 12/10/2002 |
| 6423275 | Regenerative devices and methods The present invention is directed to an apparatus for directing process fluids through regenerative systems using a Multi-Port Valve Assembly. Any number of process fluids can be directed through any number of regenerative devices in a regenerative system... | 07/23/2002 |
| 6391267 | Method of reducing internal combustion engine emissions, and system for same A method and system for reducing pollutant concentration within an internal combustion engine exhaust stream is disclosed. Soot and products of incomplete combustion in the engine exhaust stream are destroyed by oxidizing them in a flameless thermal oxidi... | 05/21/2002 |
| 6368566 | Flue gas pipe and method for treating flue gas The invention relates to a flue gas pipe (1) of an incineration plant, comprising a reaction zone (2) for breaking down harmful substances and a heat exchanger (3) for cooling the flue gas (R) which is mounted downstream and fitted with a dioxin catalytic... | 04/09/2002 |
| 6290488 | Heat-storage incinerator An incinerator with a heat-storage capability is disclosed. The incinerator has a housing with multiple communicating chambers defined therein, heat-storing medium received in each chamber, a heater mounted in the housing, an inlet tube and an outlet tube... | 09/18/2001 |
| 6274097 | Apparatus for cleaning pollutant-laden waste gas An apparatus for cleaning pollutant-laden waste gas by regenerative thermal afterburning has two towers (1, 2) each divided into three heat-retaining chambers (14 to 16 and 17 to 19) by vertical partitions (10 to 13). Two opposite heat-retaining chambers ... | 08/14/2001 |
| 6235249 | Rotary oxidizer systems for control of restaurant emissions A restaurant emissions abatement system is disclosed which employs a rotary heat regenerative thermal or catalytic oxidizer. Thus, heat which normally would be exhausted into the atmosphere, is recovered by being transferred to incoming unoxidized restaur... | 05/22/2001 |
| 6228329 | Two chamber regenerative thermal or catalytic oxidizer with purging circuit A two chamber regenerative thermal oxidizer comprises an oxidizing chamber and a pair of regenerator chambers. Inlet and outlet valves control fluid flow to and from said regenerator chambers. A transition duct communicates with a contaminated fluid feed ... | 05/08/2001 |
| 6193504 | Portable rotary catalytic oxidizer systems A rotary regenerative catalytic oxidizer is disclosed which is a portable, compact system that catalytically destroys VOC and odorous compounds at elevated temperatures of 400 to 800° F. Equipped with a very high thermally efficient rotor of 90+%, most h... | 02/27/2001 |
| 6187273 | Reactor for catalytically processing gaseous fluids A reactor for catalytically processing gaseous fluids including fluid-path forming elements spaced from each other and forming a plurality of adjacent first and second channels through which fluid flows in opposite directions, with each of the first and s... | 02/13/2001 |
| 6162403 | Spin formed vacuum bottle catalytic converter A spin formed catalytic converter employs fewer and circumferentially shorter weld joints to reduce manufacturing cost of such catalytic converters.... | 12/19/2000 |
| 6105517 | Fly ash treatment A process for treating toxic fly ash from an incinerator which comprises heating the fly ash held in suspension in a combustible or combusted gas at least to a temperature at which sintering of the fly ash takes place.... | 08/22/2000 |
| 6086828 | Heat exchanger efficiency control by differential temperature A regenerative thermal oxidizer (H-101) includes a number of heat exchange columns (A, B) topped by a combustion chamber (C-101). Contaminated air is directed into one of the columns and oxidation is completed as the flow passes through the combustion cha... | 07/11/2000 |
| 6066301 | Deodorizing system The present invention relates to a deodorizing system for reducing the size of a facility and realizing the thermal efficiency much higher than the prior art, wherein a deodorizing furnace 1 is connected with thermal equipment 8 which uses a heated gas cu... | 05/23/2000 |
| 6039927 | Valve system for regenerative thermal oxidizers A two chamber regenerative thermal oxidizer has a pair of poppet valves actuated by an eccentric mechanical drive assembly having a single drive shaft. Gas flow through the RTO is reversed by the simultaneous opening and closing of the poppet valves. Dece... | 03/21/2000 |
| 6019940 | Method of processing industrial air stream for medical sterilizers An improved method for processing an industrial sterilization agent utilized to sterilize medical instruments includes the use of a regenerative thermal oxidizer. The sterilization agent is removed from the sterilization chamber and directed into the comb... | 02/01/2000 |
| 5967771 | Rotary regenerative oxidizer A system for the abatement of industrial process gases utilizes a rotary regenerative oxidizer comprised of one or more heat exchange beds, each bed comprised of a parallel, axial, and longitudinal array of heat regenerative channels that thermally and/or... | 10/19/1999 |
