B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/14 (2006.01) C07C 7/11 (2006.01)
Patent
CA 2651896
Method for the removal of acid gases from a fluid flow containing hydrocarbons or from a fluid flow containing oxygen, by means of bringing the fluid flow in contact with an aqueous solution, which is substantially free of inorganic alkaline salts and which contains (i) at least one amine and (ii) at least one metal salt of an amino acid and/or of a sulfur amino acid. The combined use of amino acid salt and/or sulfur amino acid salt reduces the coabsorption of carbohydrates and respectively oxygen, without substantially affecting the absorption velocity with which the acid gases are absorbed, without substantially reducing the absorption capacity of the solution for acid gases and without substantially raising the consumption of energy necessary for regeneration.
Procédé d'élimination des gaz acides d'un courant fluidique contenant des hydrocarbures ou d'un courant fluidique contenant de l'oxygène, selon lequel le courant fluidique est mis en contact avec une solution aqueuse qui est sensiblement exempte de sels basiques anorganiques et comprend (i) au moins une amine et (ii) au moins un sel métallique d'un acide aminé et/ou d'un acide aminosulfonique. L'emploi combiné d'un sel d'acide aminé et/ou d'acide aminosulfonique réduit la coabsorption des hydrocarbures ou de l'oxygène sans entraver sensiblement la vitesse d'absorption des gaz acides, sans réduire sensiblement la capacité d'absorption de la solution concernant les gaz acides et sans augmenter sensiblement le besoin d'énergie nécessaire à la régénération.
Asprion Norbert
Lichtfers Ute
Wagner Rupert
Basf Se
Robic
LandOfFree
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