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Class Information
Number: 423/238
Name: Chemistry of inorganic compounds > Modifying or removing component of normally gaseous mixture > Nitrogen or nitrogenous component > Ammonia > Utilizing liquid as reactant
Description: Processes in which the ammonia is removed or changed by means of a reactant in the liquid state.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7575732 |
Process for treating a gas stream |
Aug. 18, 2009 |
| 7550123 |
Method and apparatus for use of reacted hydrogen peroxide compounds in industrial process waters |
Jun. 23, 2009 |
| 7537744 |
Process for ammonia recovery |
May. 26, 2009 |
| 7390470 |
Process for treating a gas stream |
Jun. 24, 2008 |
| 7381389 |
Wet gas purification method and system for practicing the same |
Jun. 3, 2008 |
| 7341701 |
Method, apparatus and plant for treating culinary gaseous effluents |
Mar. 11, 2008 |
| 7326391 |
Process for recovery and recycle of ammonia from a vapor stream |
Feb. 5, 2008 |
| 7294325 |
Method for the production of hydrocyanic acid by oxidation of nitrogen-containing hydrocarbons in a flame |
Nov. 13, 2007 |
| 7258848 |
Process for scrubbing ammonia from acid gases comprising ammonia and hydrogen sulfide |
Aug. 21, 2007 |
| 7252703 |
Direct contact liquid air contaminant control system |
Aug. 7, 2007 |
| 7204967 |
Waste water process with scrubber |
Apr. 17, 2007 |
| 6941742 |
Method and device for reducing the number of particles in an exhaust gas |
Sep. 13, 2005 |
| 6872296 |
Method for removing ammonia from a gas comprising hydrogen cyanide, ammonia and water |
Mar. 29, 2005 |
| 6838069 |
Apparatus and method for ammonia removal from waste streams |
Jan. 4, 2005 |
| 6790264 |
Control of ammonia emission from ammonia laden fly ash in concrete |
Sep. 14, 2004 |
| 6746654 |
Dry and semi-dry methods for removal of ammonia from fly ash |
Jun. 8, 2004 |
| 6713031 |
Structured catalysts for selective reduction of nitrogen oxides by ammonia using a compound that can be hydrolyzed to ammonia |
Mar. 30, 2004 |
| 6553755 |
Expanded grid static mixer |
Apr. 29, 2003 |
| 6534030 |
Process for producing ammonium thiosulfate |
Mar. 18, 2003 |
| 6503471 |
Process for malodorous gas treatment |
Jan. 7, 2003 |
| 6468486 |
Process for treating exhaust gases containing nitrides |
Oct. 22, 2002 |
| 6290066 |
Method for removal of ammonia from fly ash |
Sep. 18, 2001 |
| 6277344 |
Simultaneous use of peroxygen and olefin compound in odor reduction |
Aug. 21, 2001 |
| 6190629 |
Organic acid scrubber and methods |
Feb. 20, 2001 |
| 6183720 |
Process and apparatus for producing high-purity chemicals for the microelectronics industry |
Feb. 6, 2001 |
| 6168771 |
Supercritical oxidation process and apparatus |
Jan. 2, 2001 |
| 6120580 |
Method for testing systems designed for NO.sub.x reduction in the combustion of carbonaceous fuels |
Sep. 19, 2000 |
| 6077494 |
Method for removing ammonia from ammonia contaminated fly ash |
Jun. 20, 2000 |
| 6030494 |
Method of treating melodorous gases of a pulp mill |
Feb. 29, 2000 |
| 6001223 |
On-site ammonia purification for semiconductor manufacture |
Dec. 14, 1999 |
| 5993763 |
Catalyst and process for decomposing HCN in gases |
Nov. 30, 1999 |
| 5895635 |
Process for recovery and recycle of ammonia from an acrylonitrile reactor effluent stream using an ammonium phosphate quench system |
Apr. 20, 1999 |
| 5847208 |
Method for increasing the yield and the production potential of urea reactors |
Dec. 8, 1998 |
| 5792572 |
System for treatment of acid fuel cell fuel gas stream |
Aug. 11, 1998 |
| 5757660 |
Scrubber control system and method |
May. 26, 1998 |
| 5756058 |
Process for purifying sulfur oxides-containing gas |
May. 26, 1998 |
| 5602279 |
Primary hindered aminoacids for promoted acid gas scrubbing process |
Feb. 11, 1997 |
| 5525317 |
Ammonia reagent application for NOX SOX and particulate emission control |
Jun. 11, 1996 |
| 5496785 |
Dual impregnated activated carbon |
Mar. 5, 1996 |
| 5443805 |
Reduction of combustion effluent pollutants |
Aug. 22, 1995 |
| 5427759 |
Method of recovering ammonia and compounds from offgases contaminated with organic materials, carbon dioxide, and ammonia |
Jun. 27, 1995 |
| 5288473 |
Process for elimination of waste material during manufacture of acrylonitrile |
Feb. 22, 1994 |
| 5281403 |
Method for converting urea to ammonia |
Jan. 25, 1994 |
| 5277886 |
Method for reducing the risk in transporting and storing liquid ammonia |
Jan. 11, 1994 |
| 5260042 |
Method for introducing a treatment medium into the waste gas flow in combustion processes |
Nov. 9, 1993 |
| 5215674 |
Method for reducing the risk in shipment of liquid ammonia |
Jun. 1, 1993 |
| 5211926 |
Process for extracting of disposing of ammonia or ammonia compounds from dust mixtures |
May. 18, 1993 |
| 5180566 |
Process for the removal of ammonia from gases |
Jan. 19, 1993 |
| 5160707 |
Methods of and apparatus for removing odors from process airstreams |
Nov. 3, 1992 |
| 5116591 |
Method and apparatus for combining fluids |
May. 26, 1992 |
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