Patent · US Expired

Method of cleaning industrial gases

US7097671B2 · kind B2 · utility

0Cited by

3References

8Claims

0Family size

Assignee

Lurgi GmbH · DE

Inventors

Manfred Meyer · Friedrichsdorf, DE
Ulrich Wagner · Bernburg, DE
Hans Kammerer · Idar-Oberstein, DE

Key dates

Filing date	Jul 30, 2004
Grant date	Aug 29, 2006
Priority date	—
Expiry date	Jul 30, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S203/24
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A methanol/water scrubbing solution containing colloidal metal sulfides formed from metal carbonyls and resulting from the scrubbing of industrial gases, such as synthesis gas, is subjected to agglomeration of the metal sulfides before the scrubbing solution to be separated enters the separating column which separates the methanol from the water containing precipitated metal sulfides. The agglomeration is carried out in a precipitation vessel and the scrubbing liquid is diluted before it enters the precipitation vessel. The result is minimal encrustation of the trays or other parts of the cleaning plant for the scrubbing solution.

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