Liquid propane, at its bubble point, is to be pumped from a reflux drum to a depropanizer. The maximum flow rate is expected to be 82 m³/h. The pressures in the vessels are 1380 and 1520 kPa (abs), respectively. The relative density of propane at the pumping temperature (38°C) is 0.485. 1520 2 kPa (abs) Highest Point To Which Liquid Is Pumped Discharge Elev. Head 22.5 m Reflux Drum Normal 1380 kPa(abs) Liquid Level 81 Suction Elev. Head 6 m Datum- Depropanizer Reflux Pump DISCHARGE FRICTION PIPING 2- VALVES 20.7 kPa 13.8 kPa 3- ORIFICE 8.3 kPa 4- FILTER 89.6 kPa SUCTION FRICTION 5-CHECK VALVE PIPING 6-CONTROL VALVE 62.1 kPa ①- VALVES 6.9 kPa 3.5 kPa 1.4 kPa What would be the pump power required? 6.7 kW 7.7 kW 8.7 kW 9.7 kW

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
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Liquid propane, at its bubble point, is to be pumped from a reflux drum to a
depropanizer. The maximum flow rate is expected to be 82 m³/h. The pressures in
the vessels are 1380 and 1520 kPa (abs), respectively. The relative density of
propane at the pumping temperature (38°C) is 0.485.
1520
kPa
(abs)
Depropanizer
PIPING
2- VALVES
3- ORIFICE
4-FILTER
5-CHECK VALVE
8.3 kPa
89.6 kPa
6.9 kPa
6- CONTROL VALVE 62.1 kPa
6.7 kW
DISCHARGE FRICTION
7.7 kW
8.7 kW
20.7 kPa
13.8 kPa
What would be the pump power required?
9.7 kW
Reflux
Pump
PIPING
1-VALVES
Highest Point
To Which Liquid
Is Pumped
Discharge Elev. Head
22.5 m
Reflux
Drum
Normal
1380 kPa (abs) Liquid
Level
Datum
SUCTION FRICTION
Suction
Elev. Head
6m
3.5 kPa
1.4 kPa
Transcribed Image Text:Liquid propane, at its bubble point, is to be pumped from a reflux drum to a depropanizer. The maximum flow rate is expected to be 82 m³/h. The pressures in the vessels are 1380 and 1520 kPa (abs), respectively. The relative density of propane at the pumping temperature (38°C) is 0.485. 1520 kPa (abs) Depropanizer PIPING 2- VALVES 3- ORIFICE 4-FILTER 5-CHECK VALVE 8.3 kPa 89.6 kPa 6.9 kPa 6- CONTROL VALVE 62.1 kPa 6.7 kW DISCHARGE FRICTION 7.7 kW 8.7 kW 20.7 kPa 13.8 kPa What would be the pump power required? 9.7 kW Reflux Pump PIPING 1-VALVES Highest Point To Which Liquid Is Pumped Discharge Elev. Head 22.5 m Reflux Drum Normal 1380 kPa (abs) Liquid Level Datum SUCTION FRICTION Suction Elev. Head 6m 3.5 kPa 1.4 kPa
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