Author:
Boltinescu (Roza) Marilena Monica,BĂran Nicolae,Roza Albertino Giovani,Constantin Mihaela
Abstract
Abstract
Water aeration systems are highly efficient if the dispersion of air in the water is carried out in a controlled and uniform manner. The use of fine bubble generators ensures this and in addition, creates a small loss of pressure when air passes through them. The paper demonstrates that producing as few air bubbles as possible leads to a more efficient aeration process. Two water aeration installations are compared:
- The first has a perforated plate with 152 orifices Ø 0.1 mm;
- The second has four perforated plates, each with 113 orifices Ø 0.05 mm;
Both installations are successively supplied with the same flow rate of compressed air, at the same temperature and at the same initial dissolved oxygen concentration in the water.
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