Verfahren zur Reinigung von Aceton

Details

Veröffentlichungs-Nr.

EP3466915

Aktenzeichen

EP17195139

Anmeldetag

6. Oktober 2017

Veröffentlichung

27. November 2019

Erteilung

27. November 2019

Rechtsraum

EP

IPC

C07C45/82

Abstract

In an embodiment a method of purifying acetone, comprises directing a feed stream comprising greater than or equal to 97 wt% of acetone and 100 to 1,000 ppm of methanol to a separation column, both based on a total weight of the feed stream; separating the feed stream in the separation column that is operating at a pressure greater than or equal to 1 bar into an overhead stream and a purified acetone stream comprising less than or equal to 50 ppm of methanol based on a total weight of the purified acetone stream; and directing at least 80 wt% of the overhead stream into the separation column as a reconstituted stream and purging 1 to 20 wt% of the overhead stream as a purge stream.

Anmelder

Firma

SABIC Global Technologies B.V.

Land

🇳🇱 Niederlande

Fachgebiete