Process for reducing the total sulfur content of Claus off-gases
US4012486A · kind A · utility
15Cited by
1References
11Claims
0Family size
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Key dates
| Filing date | Jul 2, 1975 |
| Grant date | Mar 15, 1977 |
| Priority date | — |
| Expiry date | Jul 2, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The sulfur content of off-gases from processes such as the Claus process is treated by catalytically oxidizing the sulfur compounds to sulfur dioxide. By use of specific catalytic materials, low temperatures of reaction and minimal SO.sub.3 formation are achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.