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Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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An air stripping tower is to be designed to lower the ethylbenzene (C,H10) concentration in a contaminated groundwater from 5 mg/L to 30 ug/L. The water flow rate is 700 m³/d, the mass transfer coefficient (K, a) for ethylbenzene is 0.015 s-1, and the dimensionless Henry's constant for toluene is 0.27. Assume a stripping factor of 3 and packing factor of 40 and a pressure drop of 100 N/(m²-m). The air and water temperature are 20°C, resulting in p, 998.2 kg/m³ Pe = 1.204 kg/m³, and µ, = 1.002 x 10-3 N-s/m2, Determine the following: a. Theoretical air flow rate (m³/min). b. Diameter of the stripping tower (m). c. Height of the stripping tower (m). %3D %3D
Transcribed Image Text:An air stripping tower is to be designed to lower the ethylbenzene (C,H10) concentration in a contaminated groundwater from 5 mg/L to 30 ug/L. The water flow rate is 700 m³/d, the mass transfer coefficient (K, a) for ethylbenzene is 0.015 s-1, and the dimensionless Henry's constant for toluene is 0.27. Assume a stripping factor of 3 and packing factor of 40 and a pressure drop of 100 N/(m²-m). The air and water temperature are 20°C, resulting in p, 998.2 kg/m³ Pe = 1.204 kg/m³, and µ, = 1.002 x 10-3 N-s/m2, Determine the following: a. Theoretical air flow rate (m³/min). b. Diameter of the stripping tower (m). c. Height of the stripping tower (m). %3D %3D
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