Scrubber for removal of sulfur dioxide from exhaust gas
US4269806A · kind A · utility
10Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1979 |
| Grant date | May 26, 1981 |
| Priority date | — |
| Expiry date | Aug 7, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S261/09
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method and apparatus for removing sulfur dioxide from an exhaust gas with use of an absorbent containing a salt of an organic acid within a scrubber provided with perforated plates, characterized in that the vapor of organic acid discharged from the top of the perforated plates is absorbed into the absorbent with a pH value of 6 to 8 within wetted walls provided on the upper side of the perforated plates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.