... dissolved well.Fine air bubbles ≤ 30um.2. The complicated system which composed of recycling pump, air compressor, dissolved air ... realized. Simple operation, easy maintenance,low noise.DAF system structure 1. DAF system is composed of water inflow, flocculation, separation, ... Release Chamber(DARC): DARC and separation chamber are in same tank, separated in the middle. Dissolved water & flocculated raw ...