Process for removing sulfur oxides from a gas by means of an absorption mass regenerable by reaction with hydrogen sulfide
US4725417A · kind A · utility
10Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1986 |
| Grant date | Feb 16, 1988 |
| Priority date | — |
| Expiry date | Sep 12, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B17/0456
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention concerns a process for removing sulfur oxides and particularly sulfur dioxide contained in such gases as industrial fumes, wherein said gas is contacted with a solid absorbent containing magnesium oxide and at least one group VIII noble metal, in such conditions that the sulfur oxides are mainly fixed as magnesium sulfate, and then the used solid absorbent is regenerated by contact with a hydrogen sulfide-containing reducing gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.