Process for purifying a gas containing sulfur compounds
US4044114A · kind A · utility
28Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1975 |
| Grant date | Aug 23, 1977 |
| Priority date | — |
| Expiry date | Dec 16, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B17/0456
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Process for purifying a gas containing hydrogen sulfide and sulfur dioxide, comprising substantially removing sulfur dioxide, absorbing hydrogen sulfide on a solid contact mass, intermittently regenerating said mass by means of an oxygen-containing gas, so as to produce a gas containing sulfur dioxide, and reacting the latter gas with hydrogen sulfide to produce sulfur.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.