公开(公告)号：BRPI0615856A2

公开(公告)日：2012-12-18

申请号：BRPI0615856

申请日：2006-09-06

Applicant: BASF SE

Inventor： STROEFER EICKHARD ,  STAMMER ACHIM ,  SIEGERT MARKUS ,  LANG NEVEN

IPC: C07D317/12

Abstract: Processes comprising: providing a reactive distillation column having an upper region, a middle region and a lower region; feeding ethylene glycol and an aqueous formaldehyde solution into the reactive distillation column in the middle region of the reactive distillation column; reacting the ethylene glycol and the aqueous formaldehyde solution in the reactive distillation column in the presence of a catalyst to form dioxolane; removing a product stream comprising dioxolane in an amount of at least 75% by weight from the upper region of the reactive distillation column; and removing a bottom stream comprising one or more components having boiling points higher than dioxolane from the lower region of the reactive distillation column.