Patent ID: 7867760

Claim:
A bioscrubber for purifying dirty gas, comprising: an inlet for the dirty gas and an outlet for cleaned gas; circulated scrubbing liquid containing water and microorganisms for degrading substances to be separated off from the dirty gas; at least one mass-transfer zone wherein a phase change of the dirty gas (A) is effected from a gas phase to a liquid phase; a device for irrigating said mass-transfer zone with said scrubbing liquid; a collection tank for collecting said scrubbing liquid and for activating said microorganisms contained therein; and at least one package of a plurality of substantially vertical and mutually adjacent tubes disposed in at least one said mass-transfer zone; and a cleaning device for cleaning said tubes disposed over at least one said package, said cleaning device being a rotary sprinkler, and said cleaning device for cleaning said tubes being configured with flushing densities greater than 100 m 3 /m 2 h.