Solve the problem systematically. All assumptions and references(s) for the values obtained should be indicated. Drawing-Given-Required-Solution A forward feed triple effect evaporator is used to fed 13608 kg/hr of NaOH solution containing 10 wtz solute. The entering feed temperature is 37.8°C. It is to be concentrated to a 50% NaOH solution. The steam used to enter at 58.6 kPa gage. The absolute pressure in the vapor space of the third effect is 6.76 kPa. The heat transfer coefficient are U.-6246, U-3407, and U₁-2271 W/mK. All effects must have the same area, Calculate the surface area and steam consumption (Hint: Assume no BPR at 1 and 2 effect)
Solve the problem systematically. All assumptions and references(s) for the values obtained should be indicated. Drawing-Given-Required-Solution A forward feed triple effect evaporator is used to fed 13608 kg/hr of NaOH solution containing 10 wtz solute. The entering feed temperature is 37.8°C. It is to be concentrated to a 50% NaOH solution. The steam used to enter at 58.6 kPa gage. The absolute pressure in the vapor space of the third effect is 6.76 kPa. The heat transfer coefficient are U.-6246, U-3407, and U₁-2271 W/mK. All effects must have the same area, Calculate the surface area and steam consumption (Hint: Assume no BPR at 1 and 2 effect)
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Solve the problem systematically. All assumptions and references(s) for the values obtained should be indicated. Drawing-Given-Required-Solution
A forward feed triple effect evaporator is used to fed 13608 kg/hr of NaOH solution containing 10 wtz solute. The entering feed temperature is 37.8°C. It is to be concentrated to a 50% NaOH solution. The steam used to enter at 58.6 kPa gage. The absolute pressure in the vapor space of the third effect is 6.76 kPa. The heat transfer coefficient are U.-6246, U-3407, and U₁-2271 W/mK. All effects must have the same area, Calculate the surface area and steam consumption (Hint: Assume no BPR at 1 and 2 effect)
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