B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/14 (2006.01) B01D 53/62 (2006.01) C10L 3/10 (2006.01)
Patent
CA 2726922
Absorption medium for sour ga-ses, comprising an oligoamine (A) of the gene-ral formula (I) and a primary or secondary alka-nol amine (B) of the general formula (II), in which the weight ratio of oligoamine (A) to pri-mary or secondary alkanol amine (B) is 0.2 to 4, and a method for removing sour gases from a gas stream by contacting the gas stream at a pressure of 0.05 to 10 MPa abs with an aqueous solution of said absorption medium, said soluti-on being temperature-controlled at a tempera-ture of 20 to 80°C.
L'invention concerne un agent absorbant pour gaz acides, qui contient une oligoamine (A) de formule générale (I) et une alcanolamine primaire ou secondaire (B) de formule générale (II), le rapport pondéral de l'oligoamine (A) à l'alcanolamine primaire ou secondaire (B) étant compris entre 0,2 et 4. L'invention concerne également un procédé pour éliminer des gaz acides contenus dans un flux gazeux par mise en contact, à une pression comprise entre 0,05 et 10 MPa absolus, du flux gazeux avec une solution aqueuse de l'agent absorbant mentionné amenée à une température de 20 à 80 °C.
Garcia Andarcia Hugo Rafael
Lichtfers Ute
Sieder Georg
Spuhl Oliver
Thiele Robin
Basf Se
Robic
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