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Class Information
Number: 423/229
Name: Chemistry of inorganic compounds > Modifying or removing component of normally gaseous mixture > Carbon dioxide or hydrogen sulfide component > Utilizing organic reactant > Amine > Ethanolamine
Description: Processes in which an aminoalcohol substituent is ethanol.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7425314 |
Process for removing sulphur compounds including hydrogen sulphide and mercaptans from gas streams |
Sep. 16, 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 |
| 7189282 |
Method for eliminating mercaptan from crude gas |
Mar. 13, 2007 |
| 7157070 |
Method for purifying gas containing hydrocarbons |
Jan. 2, 2007 |
| 7004997 |
Method for removal of acid gases from a gas flow |
Feb. 28, 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 |
| 6784320 |
Amine recovery method and apparatus and decarbonation apparatus having same |
Aug. 31, 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 |
| 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 |
| 6579508 |
Method for controlling absorbent at decarboxylation facility and system therefor |
Jun. 17, 2003 |
| 6500397 |
Method for removing carbon dioxide from combustion exhaust gas |
Dec. 31, 2002 |
| 6497852 |
Carbon dioxide recovery at high pressure |
Dec. 24, 2002 |
| 6423282 |
Method for the regeneration of an acid gas absorbing fluid containing methydiethanolamine and a (lower alkyl) piperazine |
Jul. 23, 2002 |
| 6416568 |
Hydrogen recycle and acid gas removal using a membrane |
Jul. 9, 2002 |
| 6337059 |
Absorbent compositions for the removal of acid gases from gas streams |
Jan. 8, 2002 |
| 6277345 |
Process for the purification of gases |
Aug. 21, 2001 |
| 6274108 |
Recovery of carbon dioxide from combustion exhaust gas |
Aug. 14, 2001 |
| 6270739 |
Process for the removal of carbon dioxide from 3,4-epoxy-1-butene process recycle streams |
Aug. 7, 2001 |
| 6207121 |
Composition and process for removal of acid gases |
Mar. 27, 2001 |
| 6174507 |
Acid gas solvent filtration system |
Jan. 16, 2001 |
| 6168768 |
Production of low sulfer syngas from natural gas with C4+/C5+ hydrocarbon recovery |
Jan. 2, 2001 |
| 6165432 |
Composition and process for removal of acid gases |
Dec. 26, 2000 |
| 6165433 |
Carbon dioxide recovery with composite amine blends |
Dec. 26, 2000 |
| 6146603 |
System for recovering carbon dioxide from a lean feed |
Nov. 14, 2000 |
| 6117404 |
Apparatus and process for recovering basic amine compounds in a process for removing carbon dioxide |
Sep. 12, 2000 |
| 6071484 |
Process for treating gas with ultra-lean amine |
Jun. 6, 2000 |
| 6051161 |
Method for the removal of carbon dioxide present in gases and absorbent |
Apr. 18, 2000 |
| 6036931 |
Method for removing carbon dioxide from combustion exhaust gas |
Mar. 14, 2000 |
| 5980845 |
Regeneration of hydrogen sulfide scavengers |
Nov. 9, 1999 |
| 5904908 |
Method for the removal of carbon dioxide present in gases |
May. 18, 1999 |
| 5895634 |
Desulfurization and decarbonation process |
Apr. 20, 1999 |
| 5876488 |
Regenerable solid amine sorbent |
Mar. 2, 1999 |
| 5853680 |
Process for the removal of highly concentrated carbon dioxide from high-pressure natural gas |
Dec. 29, 1998 |
| 5846503 |
Process for rejuvenating used alkanolamaine solutions |
Dec. 8, 1998 |
| 5820837 |
Process for treating a gas stream to selectively separate acid gases therefrom |
Oct. 13, 1998 |
| 5750083 |
Method for the removal of hydrogen sulfide present in gases |
May. 12, 1998 |
| 5736115 |
Process for the removal of carbon dioxide from gases |
Apr. 7, 1998 |
| 5705090 |
Absorption of mercaptans |
Jan. 6, 1998 |
| 5700438 |
Process for removal of H2S from gas processing streams |
Dec. 23, 1997 |
| 5693297 |
Gas treatment method |
Dec. 2, 1997 |
| 5688478 |
Method for scavenging sulfides |
Nov. 18, 1997 |
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