Patent · US Expired

Reaction column in a special combination with a natural circulation evaporator

US7544832B2 · kind B2 · utility

0Cited by

4References

11Claims

0Family size

Assignee

BASF SE

Inventors

Jan Bredehoft · Haßloch, DE
Hans-Jurgen Pallasch · Neheim, DE
Ludwig E. Heck · Edingen-Neckarhausen, DE
Eckhard Ströfer · Mannheim, DE

Key dates

Filing date	Feb 15, 2002
Grant date	Jun 9, 2009
Priority date	—
Expiry date	Sep 1, 2023

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D3/322
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An arrangement for carrying out chemical reactions comprises at least one distillation column and/or at least one container and at least one circulation evaporator, which are connected to one another via connecting elements, liquid being taken off completely or partly from a tray or from a stacked packing bed or from a dumped packing bed or from a liquid collector of the distillation column or being fed as an external feed stream below the lower tube sheet of the circulation evaporator to said evaporator.

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