Method for removing sulfur oxides from hot flue gases
US4555390A · kind A · utility
15Cited by
2References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 1983 |
| Grant date | Nov 26, 1985 |
| Priority date | — |
| Expiry date | Dec 20, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/501
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Sulfur oxides and other acid gases are removed from hot flue gases by dispersing and suspending an absorption agent and water, preferably Ca(OH).sub.2 suspended in water, in a rising stream of hot gas at the lower part of a reaction chamber, where the hot gases are subjected to a rapid reduction in velocity. Sulfur oxides and other acid gases are absorbed on and reacted with the absorption agent in the presence of evaporating water producing a dry powder which is separated from the flue gas in a particle precipitator and partially recirculated to the reaction chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.