Illustration 6.2 Water containing dissolved air is to be deoxygenated by contact with nitrogen in an agitated vessel 1 m (3.28 ft) in diameter. The water will enter continuously at the bottom of the vessel and leave through an overflow pipe set in the side of the vessel at an appropriate height. Assume that the ungassed water would have a depth of 1 m (3.28 ft). Water rate = 9.5 x 10-4 m/s (1.99 ft/min) Gas rate = 0.061 kg/s (8.07 lb/min) temp = 25°C Specify the arrangement to be used and estimate the average gas-bubble diameter, gas holdup, specific interfacial area, and mass-transfer coefficient to be expected.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Illustration 6.2 Water containing dissolved air is to be deoxygenated by contact with nitrogen
in an agitated vessel 1 m (3.28 ft) in diameter. The water will enter continuously at the bottom
of the vessel and leave through an overflow pipe set in the side of the vessel at an appropriate
height. Assume that the ungassed water would have a depth of 1 m (3.28 ft).
Water rate = 9.5 x 10-4 m/s (1.99 ft/min)
Gas rate = 0.061 kg/s (8.07 lb/min)
temp = 25°C
Specify the arrangement to be used and estimate the average gas-bubble diameter, gas holdup,
specific interfacial area, and mass-transfer coefficient to be expected.
Transcribed Image Text:Illustration 6.2 Water containing dissolved air is to be deoxygenated by contact with nitrogen in an agitated vessel 1 m (3.28 ft) in diameter. The water will enter continuously at the bottom of the vessel and leave through an overflow pipe set in the side of the vessel at an appropriate height. Assume that the ungassed water would have a depth of 1 m (3.28 ft). Water rate = 9.5 x 10-4 m/s (1.99 ft/min) Gas rate = 0.061 kg/s (8.07 lb/min) temp = 25°C Specify the arrangement to be used and estimate the average gas-bubble diameter, gas holdup, specific interfacial area, and mass-transfer coefficient to be expected.
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