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 2727057
Absorption medium for sour gases, comprising an oligoamine (A) of the general formula (I) and a piperazine derivative (B) of the general formula (II), in which the weight ratio of oligoamine (A) to piperazine derivative (B) is 0.2 to 25, 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 means, said solution being temperature-controlled at a temperature of 20 to 80°C.
L'invention concerne un agent absorbant pour gaz acides, qui contient une oligoamine (A) de formule générale (I) et un dérivé de pipérazine (B) de formule générale (II), le rapport pondéral de l'oligoamine (A) au dérivé de pipérazine (B) étant compris entre 0,2 et 25. 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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