It is proposed to pump 20,000 kg/h of toluene at 114°C and 1.1 atm abs pressure. From the reboiler of a distillation tower to a second distillation unit without cooling the toluene before it enter the pump. If the friction loss in the line between the reboiler and pump is 6 kN/m² and the density of toluene is 866 kg/m³, how far above the pump must the liquid level in the reboiler be maintained to give a net positive suction head of 3.0 m? the vapor pressure of Toluene at 114°C is 1.1 atm.
It is proposed to pump 20,000 kg/h of toluene at 114°C and 1.1 atm abs pressure. From the reboiler of a distillation tower to a second distillation unit without cooling the toluene before it enter the pump. If the friction loss in the line between the reboiler and pump is 6 kN/m² and the density of toluene is 866 kg/m³, how far above the pump must the liquid level in the reboiler be maintained to give a net positive suction head of 3.0 m? the vapor pressure of Toluene at 114°C is 1.1 atm.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Formula in the pic
Transcribed Image Text:= ² ( Par = P² - PSL.) - 2a
Za
g
P
1 - p*
NPSH = -
α
-
- (v²₁ − v²₁) + — (Zµ₁ − Zai) + £F + +
2gc
9c
Pbr - Par
P
= nWp
Transcribed Image Text:It is proposed to pump 20,000 kg/h of toluene at 114°C and 1.1 atm abs
pressure. From the reboiler of a distillation tower to a second distillation
unit without cooling the toluene before it enter the pump. If the friction
loss in the line between the reboiler and pump is 6 kN/m² and the density
of toluene is 866 kg/m³, how far above the pump must the liquid level in
the reboiler be maintained to give a net positive suction head of 3.0 m?
the vapor pressure of Toluene at 114°C is 1.1 atm.
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