Patent Number:
6,254,735
Title:
Process for separating medium boiling substances from a mixture of low, medium and high boiling substances
Abstract:
A process for separating a fraction containing low and middle boilers from a mixture of low, middle and high boilers, which involves treating the mixture in a column with low-boiler vapor in the bottom, so that the middle-boiling component accumulates in the low-boiler vapor and can be obtained at the temperature level of the low-boiling component.
Inventors:
Watzenberger; Otto (Ludwigshafen, DE)
Assignee:
BASF Aktiengesellschaft
International Classification:
B01D 3/34 (20060101); B01D 3/14 (20060101); B01D 3/38 (20060101); C01B 21/00 (20060101); C01B 21/14 (20060101); B01D 003/00 (); C01B 021/14 ()
Expiration Date:
07/03/2018
