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Class Information
Number: 423/228
Name: Chemistry of inorganic compounds > Modifying or removing component of normally gaseous mixture > Carbon dioxide or hydrogen sulfide component > Utilizing organic reactant > Amine
Description: Processes wherein the organic compound is one derived from ammonia by substituting an organic radical for at least one of the hydrogens.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7601315 |
Process for the recovery of carbon dioxide from a gas stream |
Oct. 13, 2009 |
| 7585476 |
Process for controlling the moisture concentration of a combustion flue gas |
Sep. 8, 2009 |
| 7585479 |
Method of deacidizing a gas by partly neutralized multiamines |
Sep. 8, 2009 |
| 7572323 |
Fluid separating device |
Aug. 11, 2009 |
| 7569194 |
Waste heat energy recovery method and system |
Aug. 4, 2009 |
| 7541011 |
Phase transitional absorption method |
Jun. 2, 2009 |
| 7485275 |
Method for removing acid gases and ammonia from a fluid stream |
Feb. 3, 2009 |
| 7481988 |
Method for obtaining a high pressure acid gas stream by removal of the acid gases from a fluid stream |
Jan. 27, 2009 |
| 7459134 |
Method of decarbonating a combustion fume with extraction of the solvent contained in the purified fume |
Dec. 2, 2008 |
| 7459012 |
Solution and method for scavenging sulphur compounds |
Dec. 2, 2008 |
| 7455828 |
Process and apparatus for converting hydrogen sulfide into hydrogen and sulfur |
Nov. 25, 2008 |
| 7442233 |
Integrated heavy hydrocarbon removal, amine treating and dehydration |
Oct. 28, 2008 |
| 7425314 |
Process for removing sulphur compounds including hydrogen sulphide and mercaptans from gas streams |
Sep. 16, 2008 |
| 7419646 |
Method of deacidizing a gas with a fractional regeneration absorbent solution |
Sep. 2, 2008 |
| 7396388 |
Integrated heavy hydrocarbon removal, amine treating and dehydration |
Jul. 8, 2008 |
| 7387768 |
Method for purifying gases |
Jun. 17, 2008 |
| 7384616 |
Waste gas treatment process including removal of mercury |
Jun. 10, 2008 |
| 7384611 |
Configurations and methods for effluent gas treatment |
Jun. 10, 2008 |
| 7384617 |
Process and equipment for treating refinary gases containing hydrogen sulphide |
Jun. 10, 2008 |
| 7377967 |
Split flow process and apparatus |
May. 27, 2008 |
| 7374734 |
Absorbing agent and method for eliminating acid gases from fluids |
May. 20, 2008 |
| 7316737 |
Amine recovery apparatus and decarbonation apparatus having same |
Jan. 8, 2008 |
| 7288136 |
High capacity immobilized amine sorbents |
Oct. 30, 2007 |
| 7288234 |
Glycols as an adjuvant in treating wastes using the Molten Salt Oxidation process |
Oct. 30, 2007 |
| 7264786 |
Method of scavenging hydrogen sulfide and/or mercaptans from fluid and gas streams |
Sep. 4, 2007 |
| 7211665 |
Sulfide scavenger |
May. 1, 2007 |
| 7189282 |
Method for eliminating mercaptan from crude gas |
Mar. 13, 2007 |
| 7175820 |
Natural gas deacidizing and dehydration method |
Feb. 13, 2007 |
| 7157070 |
Method for purifying gas containing hydrocarbons |
Jan. 2, 2007 |
| 7077884 |
Hydrogen sulfide scrubber using polymeric amine and associated methods |
Jul. 18, 2006 |
| 7078005 |
Process for the reduction or elimination of hydrogen sulphide |
Jul. 18, 2006 |
| 7056482 |
Method for recovery of CO2 from gas streams |
Jun. 6, 2006 |
| 7018450 |
Natural gas deacidizing method |
Mar. 28, 2006 |
| 6989046 |
Method for removing polymer from an acid gas treating system |
Jan. 24, 2006 |
| 6974542 |
Method and apparatus for removing foaming contaminants from hydrocarbon processing solvents |
Dec. 13, 2005 |
| 6939393 |
Method for neutralizing a stream of fluid, and washing liquid for use in one such method |
Sep. 6, 2005 |
| 6884282 |
Method and system for increasing the absorption selectivity of H2S from a gas containing CO2 and H2S |
Apr. 26, 2005 |
| 6852144 |
Method for removing COS from a stream of hydrocarbon fluid and wash liquid for use in a method of this type |
Feb. 8, 2005 |
| 6818194 |
Process for removing hydrogen sulfide from gas streams which include or are supplemented with sulfur dioxide, by scrubbing with a nonaqueous sorbent |
Nov. 16, 2004 |
| 6784320 |
Amine recovery method and apparatus and decarbonation apparatus having same |
Aug. 31, 2004 |
| 6746623 |
Alkyl glycidyl ether-capped diamine foam controlling agent |
Jun. 8, 2004 |
| 6740230 |
Method for removing mercaptans from fluid fluxes |
May. 25, 2004 |
| 6692711 |
Production of low sulfur syngas from natural gas with C4+/C5+ hydrocarbon recovery |
Feb. 17, 2004 |
| 6689332 |
Process for removing carbon dioxide from combustion gases |
Feb. 10, 2004 |
| 6666908 |
Process for deacidizing a gas with washing of the hydrocarbons desorbed upon regeneration of the solvent |
Dec. 23, 2003 |
| 6645446 |
Split-flow process and apparatus |
Nov. 11, 2003 |
| 6635103 |
Membrane separation of carbon dioxide |
Oct. 21, 2003 |
| 6616908 |
Treatment of a gas stream containing hydrogen sulphide |
Sep. 9, 2003 |
| 6605138 |
Apparatus and method for exclusively removing VOC from regeneratable solvent in a gas sweetening system |
Aug. 12, 2003 |
| 6602423 |
Method and apparatus for removing foaming contaminants from hydrocarbon processing solvents |
Aug. 5, 2003 |
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