Method for the purification of flue gases
US4590046A · kind A · utility
3Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1984 |
| Grant date | May 20, 1986 |
| Priority date | — |
| Expiry date | Jan 13, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/501
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Procedure and plant for spray drying absorption of flue gases by separation of SO.sub.2. A suspension of finely-ground limestone is added to a reactor via an oxidation and acidification unit, where the finely-ground limestone is mixed with recirculated solids and air, oxygen and/or some of the flue gases. Preferably, the recirculated solids is also subjected to reactivation by wet-grinding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.