Method of treating residual gases containing various compounds of sulphur
US3939250A · kind A · utility
17Cited by
3References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1973 |
| Grant date | Feb 17, 1976 |
| Priority date | — |
| Expiry date | Jun 25, 1993 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B17/0434
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention is addressed to a method of catalytic treatment of residual gases containing various compounds of sulphur, particularly hydrolyzable compounds of sulphur by the Claus reaction. These residual gases, at the expense of which all or part of the necessary amount of sulphurous anhydride is formed, are treated at temperatures above 200.degree.C in the presence of catalysts comprising active alumina and one or more oxides, sulphides or compounds capable of being sulphurized, of molybdenum, cobalt, nickel, iron and uranium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.