Patent · US Expired

Method of purifying flue gases

US5538537A · kind A · utility

3Cited by

13References

20Claims

0Family size

Assignee

Krupp Polysius AG · DE

Inventors

Michael A. Schmidt · Meadville, US
Detlev Kupper · Telgte, DE
J urgen Schneberger · Ennigerloh, DE

Key dates

Filing date	Jan 3, 1995
Grant date	Jul 23, 1996
Priority date	—
Expiry date	Jan 3, 2015

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S95/901
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method of desulphurizing flue gases polluted with SO.sub.2 comprising cooling the gases to a temperature of about 0.5 to 20.degree. above the dew point of the gases and flowing the gases through a granular sorbent prepared from a mixture of commercial cement and water.

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