Patent · US Expired

Method of cleaning and/or regenerating wholly or partially de-activated catalysts for stack-gas nitrogen scrubbing

US6232254A · kind A · utility

16Cited by

8References

21Claims

0Family size

Assignee

Energie-Versorgung Schwaben AG · DE

Inventors

Gunter Schneider · Marburg, DE
Jochen Benz · Ulm, DE
Peter Buck · Hatton, GB

Key dates

Filing date	Jan 7, 1999
Grant date	May 15, 2001
Priority date	—
Expiry date	Jan 7, 2019

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/584
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention concerns a method of cleaning and/or regenerating wholly or partially de-activated catalysts for stack-gas nitrogen scrubbing, in which the catalysts are treated with a washing and/or regenerating liquid, characterized by the washing or regenerating liquid consisting wholly or in part of demineralized water.

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