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Class Information
Number: 423/DIG.5
Name: Chemistry of inorganic compounds > Automatic (including computer) control
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622092 |
Method and device for removing mercury |
Nov. 24, 2009 |
| 7622093 |
Method for zonal injection of chemicals into a furnace convective pass to reduce pollutants from flue gases |
Nov. 24, 2009 |
| 7618605 |
Exhaust emission control device and method for internal combustion engine, and engine control unit |
Nov. 17, 2009 |
| 7615200 |
Selective catalytic reduction of NO.sub.x enabled by urea decomposition in heat-exchanger bypass |
Nov. 10, 2009 |
| 7611684 |
Effluent gas scrubber and method of scrubbing effluent gasses |
Nov. 3, 2009 |
| 7595033 |
Regeneration of nt-scr catalysts |
Sep. 29, 2009 |
| 7591986 |
Exhaust emission control device and method for internal combustion engine, and engine control unit |
Sep. 22, 2009 |
| 7575732 |
Process for treating a gas stream |
Aug. 18, 2009 |
| 7560084 |
Method and device for separation of sulphur dioxide from a gas |
Jul. 14, 2009 |
| 7550123 |
Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process waters |
Jun. 23, 2009 |
| 7544338 |
Mercury removal system and mercury removal process |
Jun. 9, 2009 |
| 7541010 |
Silver doped catalysts for treatment of exhaust |
Jun. 2, 2009 |
| 7524473 |
Method of mercury removal in a wet flue gas desulfurization system |
Apr. 28, 2009 |
| 7514054 |
Flue gas purification device having an essentially horizontal through flow |
Apr. 7, 2009 |
| 7501104 |
Apparatus and method for treating discharge gas |
Mar. 10, 2009 |
| 7485272 |
Multi-stage system for selective catalytic reduction |
Feb. 3, 2009 |
| 7481987 |
Method of removing sulfur trioxide from a flue gas stream |
Jan. 27, 2009 |
| 7468170 |
Nitrogenous sorbent for coal combustion |
Dec. 23, 2008 |
| 7429365 |
Method and system for removing mercury from combustion gas |
Sep. 30, 2008 |
| 7399458 |
Fired equipment with catalytic converter and method of operating same |
Jul. 15, 2008 |
| 7390470 |
Process for treating a gas stream |
Jun. 24, 2008 |
| 7374733 |
Method and system for removing mercury from combustion gas |
May. 20, 2008 |
| 7357901 |
Exhaust gas purification device for an internal combustion engine and exhaust gas purification method for an internal combustion engine |
Apr. 15, 2008 |
| 7276366 |
Biological scrubber odor control system and method |
Oct. 2, 2007 |
| 7273595 |
Method and apparatus for the production of gaseous ammonia from a urea solution |
Sep. 25, 2007 |
| 7250149 |
Sulfur gas treatment process |
Jul. 31, 2007 |
| 7052670 |
Method for the automated manufacture of pure SO2 from sulfur and oxygen |
May. 30, 2006 |
| 7033548 |
System and process for removal of pollutants from a gas stream |
Apr. 25, 2006 |
| 6616903 |
Method and apparatus for treating the atmosphere |
Sep. 9, 2003 |
| 6610263 |
System and process for removal of pollutants from a gas stream |
Aug. 26, 2003 |
| 6579506 |
Treatment of gas streams containing reduced sulfur compounds |
Jun. 17, 2003 |
| 6579508 |
Method for controlling absorbent at decarboxylation facility and system therefor |
Jun. 17, 2003 |
| 6579507 |
System and process for removal of pollutants from a gas stream |
Jun. 17, 2003 |
| 6548031 |
Method for purifying a gas stream |
Apr. 15, 2003 |
| 6506349 |
Process for removal of contaminants from a gas stream |
Jan. 14, 2003 |
| 6435113 |
Incineration apparatus and method which suppress generation of dioxins |
Aug. 20, 2002 |
| 6287535 |
Treatment of combustible gas streams |
Sep. 11, 2001 |
| 6287528 |
Method for removing dust |
Sep. 11, 2001 |
| 6066303 |
Apparatus and method for reducing NOx from exhaust gases produced by industrial processes |
May. 23, 2000 |
| 6060030 |
Detached plume abatement method |
May. 9, 2000 |
| 6041272 |
Desulfurization process for flue gases |
Mar. 21, 2000 |
| 6029100 |
Method for controlling oxidation in flue gas desulfurization |
Feb. 22, 2000 |
| 6017503 |
Method of removing NO.sub.x from exhaust gases |
Jan. 25, 2000 |
| 5985222 |
Apparatus and method for reducing NOx from exhaust gases produced by industrial processes |
Nov. 16, 1999 |
| 5945081 |
Wet-type flue gas desulfurization plant and method making use of a solid desulfurizing agent |
Aug. 31, 1999 |
| 5820842 |
Silicon refining process |
Oct. 13, 1998 |
| 5766563 |
Method for controlling the oxidation of sulfites in a flue gas desulfurization process |
Jun. 16, 1998 |
| 5723099 |
Method and apparatus for remediation of toxic flue gases |
Mar. 3, 1998 |
| 5690899 |
Process for removing sulphur dioxide from flue gas |
Nov. 25, 1997 |
| 5670121 |
Process for controlling the temperature of a fluidized bed reactor in the manufacture of titanium tetrachloride |
Sep. 23, 1997 |
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