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Bubble dynamics and oxygen transfer in a speece cone

Little, J
Published in Water Science and Technology. 1998, vol. 37, no. 2, p. 285-292
Abstract A model is developed that predicts bubble dynamics and oxygen transfer in a Speece Cone. The model is based on differential mass balances for both gas and water and requires a knowledge of cone dimensions, water flow rate, depth to the cone, and initial bubble diameter produced by the oxygen diffuser. The model calculates the oxygen transfer, nitrogen stripping, and gas-phase holdup within the cone. Experimental data for a Speece Cone have not been published; however, a modified version of the model is tested using data obtained from a hydrodynamically similar full-lift hypolimnetic aerator with good results. This process model, when coupled with a suitable cost model, should prove useful in the preliminary design and economic optimization of Speece Cone oxygenators.
Keywords AerationGas holdupHypolimnionLakeModelOxygen transferReservoirSpeece ConeWater velocity
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MCGINNIS, Daniel Frank, LITTLE, J. Bubble dynamics and oxygen transfer in a speece cone. In: Water Science and Technology, 1998, vol. 37, n° 2, p. 285-292. doi: 10.1016/S0273-1223(98)00035-3

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Deposited on : 2014-10-06

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