Absorption of sulfur dioxide from gases by ferrous sulfate
US4238466A · kind A · utility
1Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 8, 1976 |
| Grant date | Dec 9, 1980 |
| Priority date | — |
| Expiry date | Oct 8, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/507
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This application is directed to the use of ferrous sulfate for absorption of sulfur from gases containing the same. The invention is predicated on the reaction of the sulfur oxides with ferrous sulfate in the presence of oxygen to form principally ferric sulfate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.