Assertion: distillation | /r/HasProperty | provided
Facets:
Source sentences:
text: In a further embodiment, a process for the purification of ethylene oxide by is distillation is provided, which comprises the step in which an aqueous mixture comprising ethylene oxide, formaldehyde and at least 5% by weight of water is introduced via a feed into a distillation apparatus comprising at least one plate column, the mixture being introduced at a height above the bottom of at least 12, preferably from 16 to 84 plates, the ethylene oxide is taken off at the top and in to the bottom phase a mixture is obtained which contains less than 5% by weight, preferably less than 0.05% by weight, of ethylene oxide.