Patent · US Expired

Process for treating wastewater which contains sour gases

US5035810A · kind A · utility

8Cited by

5References

15Claims

0Family size

Inventors

Michael Heisel · Munich, DE
Josef Sporer · Wielenbach, DE

Key dates

Filing date	Dec 15, 1989
Grant date	Jul 30, 1991
Priority date	—
Expiry date	Dec 15, 2009

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S210/916
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

For the treatment of a wastewater containing sour gases with a stripping gas, resultant stripping gas containing the sour gases is introduced into at least one combustion stage within the total process for recovery of the sulfur-containing components, the wastewater being stripped with at least a portion of the amount of O.sub.2 -containing gas required in the subsequent combustion stages.

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