C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 21/22 (2006.01) B01D 53/14 (2006.01) C07C 45/27 (2006.01)
Patent
CA 2630620
The invention relates to a method for purifying a gas mixture G-0 containing dinitrogen monoxide, at least comprising: the absorption of the gas mixture G- 0 in an organic solvent, followed by; the desorption of a gas mixture G-1 from the loaded organic solvent; the absorption of the gas mixture G-1 in water and subsequently; the desorption of a gas mixture G-2 from the loaded water, and to the use of a purified gas mixture containing dinitrogen monoxide that can be obtained according to a method of the aforementioned type as oxidizing agents for olefins.
La présente invention concerne un procédé pour épurer un mélange gazeux G-0 contenant de l'oxyde nitreux. Ce procédé consiste au moins à absorber le mélange gazeux G-0 dans un solvant organique, puis à désorber un mélange gazeux G-1 du solvant organique chargé, à absorber le mélange gazeux G-1 dans de l'eau, puis à désorber un mélange gazeux G-2 de l'eau chargée. L'invention concerne également l'utilisation d'un mélange gazeux épuré contenant de l'oxyde nitreux, ce mélange étant obtenu par un procédé de ce type, comme agent d'oxydation pour des oléfines.
Baumann Dieter
Roessler Beatrice
Teles Joaquim Henrique
Basf Se
Robic
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