Patent · US Expired

Process for the treatment of gases incurred in the manufacture of phosphorus

US4668488A · kind A · utility

4Cited by

6References

8Claims

0Family size

Assignee

Linde GmbH · DE

Inventors

Gerhard Ranke · Pöcking, DE
Heinz Karwat · Pullach, DE

Key dates

Filing date	Oct 24, 1985
Grant date	May 26, 1987
Priority date	—
Expiry date	Oct 24, 2005

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S62/92
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Process for the treatment of CO-rich gases incurred in the manufacture of phosphorus, which gases contain impurities like water, and compounds of sulfur, nitrogen and phosphorus. The gas is passed through regenerators for the purpose of removing impurities. In this manner, a product gas is obtained from which impurities have been condensed or frozen.

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