Patent · US Active

Distillation device comprising a column which as three or a plurality of cells in series through which fluid flows and method for distilling or extractive distillation by use of the distillation device

US10569192B2 · kind B2 · utility

1Cited by

10References

18Claims

0Family size

Assignee

BASF SE

Inventors

Norbert Asprion · Ludwigshafen, DE
Bernd Heida · Haßloch, DE
Jan-Oliver Weidert · Schifferstadt, DE
Ortmund Lang · Quirnbach, DE

Key dates

Filing date	Jun 29, 2016
Grant date	Feb 25, 2020
Priority date	—
Expiry date	Jun 29, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D5/0063
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A distillation device comprising a column for separating a feed stream into a head product stream, a bottom product stream and optionally one or more side extraction streams, having three or more cells in 5 series through which fluid flows, wherein at least the first cell is integrated into the bottom of the column, for multi-stage heating and partial evaporation of the liquid flowing through the cells with the exception of the liquid from the last cell in an evaporation stage.

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