Determine the minimum gas flow rate that might be used

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Reference no: EM131310505

1. A mass-transfer tower is to be designed for reducing a VOC concentration from 0.0394 to 0.0131 mg mol/L. Five thousand gallons per hour of wastewater will be fed to the 0.6 m diameter tower, countercurrent to a stripping air stream that will enter the tower free of any VOC. If a volumetric flow rate Q_L(m³ /h) to a gas flow rate G(mol/h) of 1.5 is used, the overall mass-transfer capacity coefficient, K_La, will equal 0:01/s. The equilibrium data at the pressure and temperature of the tower are

Determine

a. the minimum gas flow rate that might be used;

b. the height of the tower.

2. The absorption of water in sulfuric acid is an exothermic process. Describe the effect this would have on the required height of a mass-transfer column as compared to the height that is evaluated if isothermal conditions are assumed.

Reference no: EM131310505

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