Patent · US Active

Catalyst and method for the production of chlorine by gas phase oxidation

US9468913B2 · kind B2 · utility

1Cited by

20References

20Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Aurel Wolf · Wülfrath, DE
Leslaw Mleczko · Bochum, DE
Oliver Felix-Karl Schlüter · Leverkusen, DE

Key dates

Filing date	Aug 22, 2011
Grant date	Oct 18, 2016
Priority date	—
Expiry date	Aug 21, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J35/51
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present invention relates to a catalyst for preparation of chlorine by catalytic gas phase oxidation of hydrogen chloride with oxygen, in which the catalyst comprises at least tin dioxide as a support material and at least one ruthenium-containing compound as a catalytically active material, and comprises, as an additional secondary constituent, a compound of an element or an element selected from the group of: Nb, V, Ta, Cr, Mo, Au, In, Sc, Y and lanthanoids, especially La and Ce.

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