B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/14 (2006.01) B01D 53/62 (2006.01)
Patent
CA 2651265
A premixture for preparing an absorbent for removing acidic gases from fluid streams is described. The premixture comprises at least one alkanolamine, piperazine and water, the premixture having a total amine content of more than 65% by weight and the molar ratio of water to piperazine in the premixture being from 1.6 to 4.8. The premixture is characterized by a low solidification point. It is diluted with water and/or alkanolamine to give the ready-to-use absorbent.
L'invention concerne un prémélange pour la fabrication d'un agent d'absorption pour l'élimination de gaz acides de courants de fluide. Le prémélange contient au moins une alcanolamine, une pipérazine et de l'eau, le prémélange ayant une teneur totale en amine supérieure à 65 % en poids et le rapport molaire entre l'eau et la pipérazine dans le prémélange étant compris entre 1,6 et 4,8. Le prémélange se distingue par un point de solidification bas. Il est dilué avec de l'eau et/ou de l'alcanolamine pour obtenir un agent d'absorption prêt à l'emploi.
Basf Se
Robic
LandOfFree
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