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Class Information
Number: 423/239.1
Name: Chemistry of inorganic compounds > Modifying or removing component of normally gaseous mixture > Nitrogen or nitrogenous component > Utilizing solid sorbent, catalyst, or reactant
Description: Process in which the treating material is a solid and functions to (a) modify a component, (b) attract and retain a component, or (c) react with and chemically change a component.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6113871 |
Catalytic decomposition of ammonia and hydrogen cyanide in coke-oven gas |
Sep. 5, 2000 |
| 6106790 |
Abatement of NF.sub.3 using small particle fluidized bed |
Aug. 22, 2000 |
| 6106791 |
Exhaust gas treating systems |
Aug. 22, 2000 |
| 6103205 |
Simultaneous mercury, SO.sub.2, and NO.sub.x control by adsorption on activated carbon |
Aug. 15, 2000 |
| 6103207 |
Treating diesel exhaust with a catalytic particulate mixture |
Aug. 15, 2000 |
| 6103208 |
Adsorbent for ethylene, method for adsorbing and removing ethylene and method for purifying an exhaust gas |
Aug. 15, 2000 |
| 6099922 |
Thermally insulated metal surface protected against metal dusting corrosion |
Aug. 8, 2000 |
| 6096278 |
Process and device for treating gas flows |
Aug. 1, 2000 |
| 6093377 |
Removal of nitrogen oxides from exhaust gas using catalyst |
Jul. 25, 2000 |
| 6093380 |
Method and apparatus for pollution control in exhaust gas streams from fossil fuel burning facilities |
Jul. 25, 2000 |
| 6083467 |
Exhaust gas purifying catalyst and process for producing the same |
Jul. 4, 2000 |
| 6080281 |
Scrubbing of contaminants from contaminated air streams with aerogel materials with optional photocatalytic destruction |
Jun. 27, 2000 |
| 6080376 |
Methods of denitrating exhaust gases |
Jun. 27, 2000 |
| 6077491 |
Methods for the production of ammonia from urea and/or biuret, and uses for NO.sub.x and/or particulate matter removal |
Jun. 20, 2000 |
| 6077492 |
Photocatalyst, process for producing the photocatalyst, and photocatalytic reaction method |
Jun. 20, 2000 |
| 6077493 |
Method for removing nitrogen oxides |
Jun. 20, 2000 |
| 6074619 |
Process for selective reduction of NOx in exhaust gas |
Jun. 13, 2000 |
| 6068823 |
Process for the benign direct fixation and conversion of nitrogen oxides |
May. 30, 2000 |
| 6068824 |
Adsorbent for nitrogen oxides and method for removal of nitrogen oxides by use thereof |
May. 30, 2000 |
| 6065409 |
Method of hot scrubbing flue gases, in particular for an incineration plant for household refuse |
May. 23, 2000 |
| 6066303 |
Apparatus and method for reducing NOx from exhaust gases produced by industrial processes |
May. 23, 2000 |
| 6066590 |
Harmful gas removing agent |
May. 23, 2000 |
| 6063350 |
Reducing no.sub.x emissions from an engine by temperature-controlled urea injection for selective catalytic reduction |
May. 16, 2000 |
| 6056928 |
Method of removing nitrogen oxides from a gas flow |
May. 2, 2000 |
| 6057259 |
Exhaust gas cleaner and method for removing nitrogen oxides |
May. 2, 2000 |
| 6054408 |
Catalyst for reducing the nitrogen oxide concentration in a flowing medium and method for producing the catalyst |
Apr. 25, 2000 |
| 6051162 |
Process for the generation of a low dew-point, oxygen-free protective atmosphere for the performance of thermal treatments |
Apr. 18, 2000 |
| 6051529 |
Ceric oxide washcoat |
Apr. 18, 2000 |
| 6045765 |
Catalyst and method for catalytic reduction of nitrogen oxides |
Apr. 4, 2000 |
| 6042797 |
Adsorbent for ethylene, method for adsorbing and removing ethylene and method for purifying an exhaust gas |
Mar. 28, 2000 |
| 6038853 |
Plasma-assisted catalytic storage reduction system |
Mar. 21, 2000 |
| 6033461 |
Selective nitrogen oxides adsorption from hot gas mixtures and thermal release by adsorbent |
Mar. 7, 2000 |
| 6033638 |
Sequential adsorptive capture and catalytic oxidation of volatile organic compounds in a reactor bed |
Mar. 7, 2000 |
| 6033640 |
Method for the reagentless removal of nitrogen oxides from exhaust streams |
Mar. 7, 2000 |
| 6030589 |
Catalyst, method for its production and use of same |
Feb. 29, 2000 |
| 6030590 |
Reduction purification method of nitrogen oxide-containing exhaust gas |
Feb. 29, 2000 |
| 6030591 |
Process for removing and recovering halocarbons from effluent process streams |
Feb. 29, 2000 |
| 6027697 |
Method and apparatus for treating combustion exhaust gases |
Feb. 22, 2000 |
| 6027703 |
Method for operating a purification device for gases as well as a purification device for gases |
Feb. 22, 2000 |
| 6027704 |
Process for the reduction of SO.sub.2 from wet lime/limestone tailgas in power plant desulfurization processes |
Feb. 22, 2000 |
| 6017502 |
Hydrogen purification using metal hydride getter material |
Jan. 25, 2000 |
| 6017503 |
Method of removing NO.sub.x from exhaust gases |
Jan. 25, 2000 |
| 6018090 |
Process and plant for the thermal treatment of waste material |
Jan. 25, 2000 |
| 6010673 |
Method for purifying exhaust gas |
Jan. 4, 2000 |
| 6004520 |
Method for operating a purification device, a purification device and use of the same |
Dec. 21, 1999 |
| 6004524 |
Lowering of the nitrogen oxide levels in exhaust gases by controlled addition of NH.sub.3 |
Dec. 21, 1999 |
| 6001152 |
Flue gas conditioning for the removal of particulates, hazardous substances, NO.sub.x, and SO.sub.x |
Dec. 14, 1999 |
| 6001318 |
Process for lowering nitrogen oxide levels in combustion engine exhaust gas |
Dec. 14, 1999 |
| 6001319 |
Method of removing nitrogen oxides using material for absorbing nitrogen oxides |
Dec. 14, 1999 |
| 5997829 |
Environment purifying material |
Dec. 7, 1999 |
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