Patent · US Active

Workup of a cyclododecanone cyclododecanol mixture in a dividing wall column

US9278898B2 · kind B2 · utility

3Cited by

10References

13Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Luca Cameretti · Dortmund, DE
Daniel Demicoli · Essen, DE
Ralf Meier · Dortmund, DE

Key dates

Filing date	Dec 13, 2013
Grant date	Mar 8, 2016
Priority date	—
Expiry date	May 7, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D3/141
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for removing a cyclododecanone-rich fraction from a dehydrogenation mixture containing low boilers, cyclododecanone, medium boilers, cyclododecanol and high boilers is provided. According to the process, the cyclododecanone is separated from the cyclododecanol in a dividing wall column. The apparatus which is the dividing wall column is also provided within this invention.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.