System, a use of such a system and a multi system for cleaning exhaust gas

A system for cleaning exhaust gas (EG) from a combustion engine, comprising a first exhaust gas scrubber connected to a scrubber water circulation tank to communicate with the scrubber water circulation tank, a first outlet of the first exhaust gas scrubber being connected to a first inlet of the scrubber water circulation tank and a first inlet of the first exhaust gas scrubber being connected to a first outlet of the scrubber water circulation tank to enable circulation of scrubber water between the scrubber water circulation tank and the first exhaust gas scrubber, an air supply device connected to the first exhaust gas scrubber to feed air into the first exhaust gas scrubber to aerate the scrubber water during its passage through the first exhaust gas scrubber, a second inlet of the first exhaust gas scrubber being connected to an outlet of the air supply device, and means for chemicals supply to a flow of scrubber water from a second outlet of the scrubber water circulation tank.