B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 3/32 (2006.01) B01D 3/14 (2006.01) C07B 41/00 (2006.01) C07C 7/04 (2006.01) C07D 301/12 (2006.01) C07D 301/32 (2006.01) B01D 3/42 (2006.01)
Patent
CA 2489765
The invention relates to a continuously operated method for pure distillation of oxirane arising during oxirane synthesis by reacting hydroperoxide with an organic compound, characterised in that the raw oxirane is separated in a separating wall column in a light, medium and high boiler fraction and removed as a medium boiler at a concentration of at least 99.9 % by lateral extraction.
Procédé appliqué en continu de distillation pure d'oxirane obtenu lors de la synthèse d'oxirane par mise en réaction d'un hydroperoxyde avec un composé organique. Ledit procédé est caractérisé en ce que l'oxirane brut est séparé dans une colonne de distillation à paroi de séparation en une fraction à point d'ébullition bas, une fraction à point d'ébullition moyen et une fraction à point d'ébullition élevé et en ce que l'oxirane est prélevé par extraction latérale en tant que fraction à point d'ébullition moyen à une concentration d'au moins 99,9 %.
Bassler Peter
Goebbel Hans-Georg
Henrique Teles Joaquim
Rudolf Peter
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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