| 摘要 |
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.
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