Figures 9 and 10 show that the characteristic parameters of oxygen mass transfer ( K L a , OC, and E A ) exhibited an increasing trend ( K L a increased from 1.96 to 4.57 h –1 , OC increased from 3.88 × 10 –3 to 9.04 × 10 –3 kg/h, E A increased from 6.47 to 15.07%), when the length of the aeration pipe increased from 0.1, 0.3, and 0.5 m.
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Influence of Aeration Pipe Length on Oxygen Mass Transfer Efficiency in Terms of Bubble Motion Flow Field.
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