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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 |
| 7482303 |
Catalytic burning reaction |
Jan. 27, 2009 |
| 7468171 |
Process using microwave energy and a catalyst to decompose nitrogen oxides |
Dec. 23, 2008 |
| 7464012 |
Simplified process simulator |
Dec. 9, 2008 |
| 7462340 |
Method and device for reducing the NO.sub.X and N.sub.2O of gases |
Dec. 9, 2008 |
| 7459135 |
Method for the removal of NO.sub.x and catalyst therefor |
Dec. 2, 2008 |
| 7449162 |
Device for treatment of exhaust of an internal combustion engine |
Nov. 11, 2008 |
| 7442352 |
Flue gas purification process using a sorbent polymer composite material |
Oct. 28, 2008 |
| 7438876 |
Multi-stage heat absorbing reactor and process for SCR of NOx and for oxidation of elemental mercury |
Oct. 21, 2008 |
| 7431905 |
Catalyst system and method for the reduction of NO.sub.x |
Oct. 7, 2008 |
| 7431904 |
Catalyst support material, catalysts prepared therefrom and process for the treatment of a flue gas |
Oct. 7, 2008 |
| 7422731 |
Catalyst and method for contact decomposition of nitrogen oxides |
Sep. 9, 2008 |
| 7413720 |
Catalyst and method for reduction of nitrogen oxides |
Aug. 19, 2008 |
| 7404940 |
Method for flue-gas reduction of pollutants in combustion processes |
Jul. 29, 2008 |
| 7402292 |
Device and methods of ammonia generation for NOx abatement |
Jul. 22, 2008 |
| 7399458 |
Fired equipment with catalytic converter and method of operating same |
Jul. 15, 2008 |
| 7396518 |
High-temperature denitration catalysts and processes for preparing same |
Jul. 8, 2008 |
| 7396517 |
Reduction of NOx emissions using a staged silver/alumina catalyst system |
Jul. 8, 2008 |
| 7396516 |
Manganese containing oxygen storage component comprising three-way catalyst composition |
Jul. 8, 2008 |
| 7393804 |
Exhaust gas purifying catalyst and process for purification of exhaust gas |
Jul. 1, 2008 |
| 7393512 |
Denitrification method |
Jul. 1, 2008 |
| 7393511 |
Ammonia oxidation catalyst for the coal fired utilities |
Jul. 1, 2008 |
| 7390471 |
Apparatus and method for catalytic treatment of exhaust gases |
Jun. 24, 2008 |
| 7390469 |
Bimodal catalyst-urea SCR system for enhanced NO.sub.x conversion and durability |
Jun. 24, 2008 |
| 7384615 |
Method oil shale pollutant sorption/NO.sub.x reburning multi-pollutant control |
Jun. 10, 2008 |
| 7378069 |
Catalyst and method for reduction of nitrogen oxides |
May. 27, 2008 |
| 7371357 |
Process for removal of pollutants |
May. 13, 2008 |
| 7368094 |
Plasma-assisted NO.sub.x reduction |
May. 6, 2008 |
| 7364711 |
Method for removing N.sub.2O during the production of nitric acid |
Apr. 29, 2008 |
| 7361321 |
Exhaust stream treatment |
Apr. 22, 2008 |
| 7361320 |
Exhaust gas purification unit with reducing agent supply |
Apr. 22, 2008 |
| 7361319 |
Mixed metal oxide sorbents |
Apr. 22, 2008 |
| 7357904 |
Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-74 |
Apr. 15, 2008 |
| 7357903 |
Method for reducing NOx during combustion of coal in a burner |
Apr. 15, 2008 |
| 7357901 |
Exhaust gas purification device for an internal combustion engine and exhaust gas purification method for an internal combustion engine |
Apr. 15, 2008 |
| 7334400 |
Valveless dual leg exhaust aftertreatment system |
Feb. 26, 2008 |
| 7332143 |
Targeted duct injection for SO.sub.3 control |
Feb. 19, 2008 |
| 7332142 |
Method and apparatus for bubble injection of agent into exhaust gas for use with emission abatement device |
Feb. 19, 2008 |
| 7320781 |
Method for adjusting a reductant used in an internal combustion engine to reduce NOx |
Jan. 22, 2008 |
| 7306774 |
Reactive membrane process for the removal of vapor phase contaminants |
Dec. 11, 2007 |
| 7300640 |
Method for clarifying exhaust gas |
Nov. 27, 2007 |
| 7294321 |
Systems and methods for removing materials from flue gas via regenerative selective catalytic reduction |
Nov. 13, 2007 |
| 7287370 |
NOx-trap |
Oct. 30, 2007 |
| 7273595 |
Method and apparatus for the production of gaseous ammonia from a urea solution |
Sep. 25, 2007 |
| 7264785 |
Selective catalytic reduction |
Sep. 4, 2007 |
| 7264784 |
Method for treating exhaust gas |
Sep. 4, 2007 |
| 7259121 |
Method of reducing the N.sub.2O content of gases and selected catalysts |
Aug. 21, 2007 |
| 7255842 |
Multi-component removal in flue gas by aqua ammonia |
Aug. 14, 2007 |
| 7241431 |
Method and emission control system for catalytically reducing nitrogen oxides in the exhaust gas of a combustion system |
Jul. 10, 2007 |
| 7238332 |
Material and process for the filtration of nitric acid and NO.sub.2 from streams of air |
Jul. 3, 2007 |
| 7238223 |
Acoustical stimulation of vapor diffusion system and method |
Jul. 3, 2007 |
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