Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jeanine Marie Klinkenbijl0
Mariette Catharina Knaap0
Rudolf Johannes Mathilda Groenen0
Theodorus Johannes Brok0
Date of Patent
July 20, 2010
0Patent Application Number
105012400
Date Filed
January 14, 2003
0Patent Primary Examiner
Patent abstract
The present invention relates to a process for removing carbon dioxide and optionally hydrogen sulphide and/or COS from a gas stream containing these compounds by washing the gas with an aqueous washing solution containing water, sulfolane and a secondary or tertiary amine derived from ethanolamine. More particularly the invention relates to the process described above, the process being carried out in the presence of a primary or secondary amine compound in an amount between 0.5 and 15 wt. % based on water, sulfolane and amine. The invention further relates to an absorbent liquid to be used in the above process.
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