ELEMENTARY PRINCIPLES OF CHEM. PROCESS.
ELEMENTARY PRINCIPLES OF CHEM. PROCESS.
4th Edition
ISBN: 9781119249214
Author: FELDER
Publisher: INTER WILE
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Chapter 3, Problem 3.40P
Interpretation Introduction

(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

Interpretation Introduction

(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

Interpretation Introduction

(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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ELEMENTARY PRINCIPLES OF CHEM. PROCESS.

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