Patent · US Expired

Process and apparatus for isolating organic substances from a gas mixture in which these substances are present

US6541652B2 · kind B2 · utility

2Cited by

2References

7Claims

0Family size

Assignee

BP KOLN GmbH · DE

Inventors

Peter Prinz · Ethel, US
Josef Schmitz · Bedburg, DE
Gunter Schummer · Pulheim, DE
Rainer Strobel · Munich, DE
Arnd Stuwe · Leverkusen, DE

Key dates

Filing date	Jul 30, 2001
Grant date	Apr 1, 2003
Priority date	—
Expiry date	Jul 30, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/50
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Process for isolating one or more organic substances from a gas mixture in which these organic substances are present, in which the gas mixture is subjected to a quenching in a column, characterized in that quenching is carried out in the upper part of the column and the quenching liquid is subjected to stripping in the lower part of the column.

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