Concept explainers
(a)
Interpretation:
The flowrate of the gas stream leaving the condenser should be calculated
Concept introduction:
It is given that a gas stream contains 18 mole% hexane (rest is nitrogen), this stream is passed through a condenser where some of the hexane is liquefied. The stream properties are given as,
The hexane mole fraction of gas stream leaving the condenser is 0.05 while the liquid condensate is recovered at 1.5 L/min.
Material balance at steady state is,
Material into the system = material out of the system
(b)
Interpretation:
The percentage of hexane recovered as the liquid should be calculated.
Concept introduction:
It is given that a gas stream contains 18 mole% hexane (rest is nitrogen), this stream is passed through a condenser where some of the hexane is liquefied. The stream properties are given as,
The hexane mole fraction of gas stream leaving the condenser is 0.05 while the liquid condensate is recovered at 1.5 L/min.
Material balance at steady state is,
Material into the system = material out of the system
(c)
Interpretation:
A process improvement to increase the recovery of hexane should be suggested.
Concept introduction:
It is given that a gas stream contains 18 mole% hexane (rest is nitrogen), this stream is passed through a condenser where some of the hexane is liquefied. The stream properties are given as,
The hexane mole fraction of gas stream leaving the condenser is 0.05 while the liquid condensate is recovered at 1.5 L/min.
Material balance at steady state is,
Material into the system = material out of the system
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Chapter 3 Solutions
Elementary Principles of Chemical Processes, Binder Ready Version
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