With a column contactor volume capacity of 57.61 cubic meters powered by 3 centrifugal pumps at 6 hp each (total of 18 horsepower) delivering an average flow rate of 16.67 cubic meters per minute (4,403.74 GPM) of microbubble-aerated-skimmed recirculated seawater.

https://adeclss.com/adec-set-the-world-record/

The behemoth of them all.