| Patent Number |
Title Of Patent |
Date Issued |
| 7334631 |
Heat exchanger |
February 26, 2008 |
| To reduce pressure loss on a heat-exchanger fluid while downsizing a heat exchange and reducing the production cost of the heat exchanger without impairment of the heat transfer performance of the heat exchanger by forming a fluid channel in surfaces of thin metal plates such as stai |
| 7160527 |
Method for treating amonia-containing effluent water |
January 9, 2007 |
| Disclosed are a method and an apparatus for treating an effluent containing ammonia in which method and apparatus N.sub.2O concentration in the gas at the outlet of a catalyst tower does not rise to a high level even when the NH.sub.3 concentration in the effluent was reduced and the |
| 7005402 |
Exhaust gas purifying catalyst compound, catalyst comprising said compound and method for prepar |
February 28, 2006 |
| The invention is to provide (i) a catalyst which does not require an activation of catalyst components by means of a calcination which has become a hindrance in the way of obtaining a catalyst having a high activity through a conventional technology and in which catalyst the composit |
| 6862331 |
Reactor core cooling structure |
March 1, 2005 |
| A reactor core cooling structure of the present invention comprises cooling gas flow-in slits for making a cooling gas flow in a circular reactor core, which slits are provided at an outer graphite cylinder for covering an outside of the circular reactor core; cooling gas flow-out slits |
| 6833117 |
Exhaust emission control catalyst element, catalyst structure, production method thereof, exhaus |
December 21, 2004 |
| The catalyst structure of the present invention for purifying an exhaust gas is preferable for increasing the contact of an exhaust gas, to be treated, with a catalyst by disturbing the flow of the exhaust gas in a gas flow passage thereby obtain a highly efficient and compact apparatus |
| 6759565 |
Method for decomposing chlorine-containing organic compound contained in exhaust gas and catalys |
July 6, 2004 |
| The invention is to provide (1) a method for decomposing chlorine containing organic compounds (DXNs) contained in an exhaust gas in which method a high decomposition ratio of the DXNs can be obtained even at a low temperature and the effects by SOx can be repressed to a minimum and |
| 6710013 |
Exhaust emission control catalyst structure |
March 23, 2004 |
| Provided is a catalyst structure used for purifying an exhaust gas; to be disposed in an exhaust gas flow passage; preferable for obtaining a highly efficient and compact exhaust gas purifying apparatus; and produced by alternately stacking platelike catalysts 1, and gas dispersing |
| 6674830 |
Nuclear reactor plant |
January 6, 2004 |
| The subject of the present invention is to provide a nuclear reactor plant of which is a direct cycle nuclear reactor using a carbon dioxide as a coolant such that a heat evacuation for liquefying coolant is reduced while a compressive work is reduced by using a condensation capability o |
| 6143687 |
Denitration catalyst, process for preparing the same, and exhaust gas purification method |
November 7, 2000 |
| A denitration catalyst for use in the reduction of nitrogen oxides contained in an exhaust gas containing highly deliquescent salts as dust with ammonia, which bears thereon a porous coating of a water-repellent organic resin, a porous coating of a mixture of a water-repellent organic |
| 6063342 |
Catalyst unit and gas purifying apparatus |
May 16, 2000 |
| A catalyst unit is constructed by alternately stacking rectangular catalyst elements (1) formed by cutting catalyst support plates coated with a catalytic material and having ribs (2) inclined at 45.degree. to one specified side edge (1a) of each thereof, and those turned upside down in |
| 5792432 |
Catalyst unit and gas purifying apparatus |
August 11, 1998 |
| A catalyst unit is constructed by alternately stacking rectangular catalyst elements (1) formed by cutting catalyst support plates coated with a catalytic material and having ribs (2) inclined at 45.degree. to one specified side edge (1a) of each thereof, and those turned upside down in |
| 5409681 |
Catalyst for purifying exhaust gas |
April 25, 1995 |
| A catalyst for purifying an exhaust gas includes a first component having activity for reducing nitrogen oxides with ammonia and a second component having at least one of activity for forming nitrogen oxide from ammonia and activity for forming carbon dioxide from carbon monoxide. The fi |
| 5348987 |
NOx removal catalyst containing an inorganic fiber |
September 20, 1994 |
| NOx removal catalyst can be obtained by kneading various kinds of inorganic fibers and water containing a surfactant to make a pulp-like substance, adding a catalytic component thereto and then further kneading the resultant mixture to prepare a catalyst paste. The thus obtained catalyst |
| 5294584 |
Process for producing a denitration catalyst |
March 15, 1994 |
| A process for producing a denitration catalyst comprising the following steps of immersing a base material composed of an inorganic fiber cloth in an aqueous slurry containing 5 to 20% by weight of at least one sol-form substance selected from the group consisting of silica sol, titania |
| 5166122 |
Process for producing a denitration catalyst |
November 24, 1992 |
| A process for producing a denitration catalyst suitable for catalytically reducing nitrogen oxides in exhaust gases having a low dust content with ammonia is provided, which process comprises adding water to catalyst raw materials affording titanium oxide, molybdenum oxide and vanadium o |
| 5155083 |
Catalyst for reducing nitrogen oxides and process for making the catalyst |
October 13, 1992 |
| A catalyst for reducing nitrogen oxides in the exhaust gas with ammonia, having a catalyst composition coated on an inorganic fiber cloth as a substrate is provided. The inorganic fiber cloth is impregnated with at least one inorganic oxide selected from silica and said catalyst comp |
| 5151256 |
Coal combustion apparatus provided with a denitration |
September 29, 1992 |
| A coal combustion apparatus having prevented deterioration of a denitration catalyst due to volatile metal compounds contained in exhaust gases is provided, which apparatus comprises a combustion furnace, a denitration means for removing nitrogen oxides in an exhaust gas from the furnace |
| 5087600 |
Process for producing a catalyst for denitration by catalytic reduction using ammonia |
February 11, 1992 |
| A catalyst for denitration by catalytic reduction using ammonia capable of preventing catalyst deterioation due to vapors of heavy metal compounds contained in exhaust gases and having a high strength and a superior resistance to poisons and a process for producing the catalyst are p |
| 5059576 |
Catalyst for removing nitrogen oxides and a process for producing the same |
October 22, 1991 |
| A catalyst or a catalyst structure for removing nitrogen oxides contained in exhaust gases, having a small pressure loss and hard to cause ash deposition, and a process for producing the same are provided, which catalyst comprises a mixture of a catalyst composition of titanium oxide |
| 5047378 |
Exhaust gas-purifying catalyst and process for purifying exhaust gases |
September 10, 1991 |
| An exhaust gas-purifying catalyst capable of carrying out the CO-oxidizing reaction and the reduction reaction of NO.sub.x with NH.sub.3 in the same reactor and with good efficiency, and a process for purifying exhaust gases using the catalyst are provided, which catalyst comprises Cu an |
| 4977128 |
Catalyst for combustion and process for producing same |
December 11, 1990 |
| A high performance catalyst for combustion is provided which includes a heat-resistant carrier capable of retaining a high specific surface area even when it is used at a high temperature of 1,000.degree. C. or higher for a long time, and processes for producing and using the same are |
| 4966882 |
Catalyst for denitration by catalytic reduction using ammonia and a process for producing the sa |
October 30, 1990 |
| A catalyst for denitration by catalytic reduction using ammonia capable of preventing catalyst deterioation due to vapors of heavy metal compounds contained in exhaust gases and having a high strength and a superior resistance to poisons and a process for producing the catalyst are p |
| 4952548 |
Catalyst for removing nitrogen oxides |
August 28, 1990 |
| A catalyst for removing nitrogen oxides contained in exhaust gases, particularly those containing vapor-form catalyst poisons, by catalytic reduction with ammonia, while retaining a high denitration performance for a long time, which catalyst comprises titanium oxide as a first component |
| 4946661 |
Process for removing nitrogen oxides |
August 7, 1990 |
| A process for removing nitrogen oxides from exhaust gases containing volatile metal compounds with good efficiency by contacting the gases with a catalyst comprising TiO.sub.2, difficulty reduced by the compounds, in the presence of ammonia, and such a catalyst are provided, which proces |
| 4865827 |
Process for removing nitrogen oxides |
September 12, 1989 |
| A process for removing nitrogen oxides from exhaust gases containing at least nitrogen oxides and volatile metal compounds by the use of a catalyst having prevented activity reduction due to the volatile metal compounds and having a superior durability is provided, which process comp |
| 4798813 |
Catalyst for removing nitrogen oxide and process for producing the catalyst |
January 17, 1989 |
| A catalyst for removing nitrogen oxides whose activity deterioration due to volatile poisons contained in exhaust gases is prevented and which has a superior endurance, and a process for producing the catalyst are provided, which catalyst comprises a titania having a surface area of 20 m |
| 4711872 |
Catalyst for combustion and process for producing same |
December 8, 1987 |
| A high performance catalyst for combustion having a cheap and heat-resistant carrier capable of retaining a high specific surface area even when it is used at a high temperature of 1,000.degree. C. or higher for a long time, and a process for producing the same are provided, which ca |
| 4571329 |
Ammonia reduction-denitration process and apparatus therefor |
February 18, 1986 |
| An ammonia reduction-denitration process for exhaust gases containing NO.sub.x consisting mainly of NO.sub.2, and an apparatus therefor are provided, which process comprises treating the exhaust gases with ammonia using a catalyst which is active to both a reaction of (NO.sub.2 +NH.sub.3 |
