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KMID : 1024520040130100929
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Journal of the Environmental Sciences
2004 Volume.13 No. 10 p.929 ~ p.938
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Application of Air Lift Pump for Sludge Discharger
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Ahn Kab-Hwan
Park Young-Seek
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Abstract
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Sludge discharger applied the principle of the air lift pump was investigated experimentally for the different design( diameter of discharge pipe, diameter and height of the inside and outside wall) and operating parameters(air flow rate, water level). And it was conducted that performance comparison about sludge discharger and conventional air lift pump. The result indicated that discharged liquid were increased with the increase of air flow rate and water level and decrease distance between inside and outside wall. The discharge pressure was increased with an increase of air flow rate and a decrease of the diameter of the discharge pipe, for both the sludge discharger and the airlift pump. The discharge pressures of the sludge discharger were 3-6 times higher than those of the air lift pump.
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KEYWORD
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Sludge Discharger, Air Lift Pump, Slugging Flow, Sludge, Discharge pressure
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