Scrubber
US8540811B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2005 |
| Grant date | Sep 24, 2013 |
| Priority date | — |
| Expiry date | Jul 23, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D53/78
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A scrubber for the cleaning of gases containing several scrubber stages (1-4), where the scrubber stages are arranged in a scrubber tower with the different stages at different levels above each other in the scrubber tower. At least one of the scrubber stages (2-4) above the lowest scrubber stage (1) comprises, according to the invention, a ring-shaped tank (10, 15, 20) arranged inside the scrubber tower, which ring shaped tank (10, 15, 20) is arranged surrounding a central channel (9, 14, 19) through which the gas that is to be cleaned can pass upwards.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.