Patent · US Expired

Apparatus and process for cryogenic separation of air and liquid distributor for a mass transfer column

US5501079A · kind A · utility

7Cited by

8References

30Claims

0Family size

Assignee

Linde GmbH · DE

Inventors

Helmut Kreis · Birkenfeld, DE
Anton Moll · Raisting, DE
Karl H. Stiegler · Tönning, DE

Key dates

Filing date	Jan 24, 1994
Grant date	Mar 26, 1996
Priority date	—
Expiry date	Jan 24, 2014

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S62/903
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

An apparatus and process for cryogenic separation of air are described which utilize a pipe distributor or a channel distributor for liquid distribution. The air separation apparatus contains a rectifying column having at least one section equipped with packing materials, wherein a liquid distributor is positioned thereabove. The main channel and/or the distributing channels of the liquid distributor are closed over at least a portion of their top. Also described is a liquid distributor for use in a mass transfer column.

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