Minimum number of theoretical plates that is required in fractional distillation separation of mixture with 70 mol % toluene and 30 mol % benzene should be determined. Concept introduction: Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 ° C . HETP is index that is used to measure efficiency of fractional distillation. It refers to height equivalent to theoretical plate. It denotes vertical length of column that is essential to achieve separation efficiency equivalent to one theoretical plate.

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Answer 1

Question

Chapter 4.4, Problem 12E

a)

Interpretation Introduction

Interpretation:Minimum number of theoretical plates that is required in fractional distillation separation of mixture with 70 mol % toluene and 30 mol % benzene should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

HETP is index that is used to measure efficiency of fractional distillation. It refers to height equivalent to theoretical plate. It denotes vertical length of column that is essential to achieve separation efficiency equivalent to one theoretical plate.

b)

Interpretation Introduction

Interpretation:Composition of first small amount of distillate obtained should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

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1. Calculate the bubble point of an ideal mixture of 40 mol% butane and 60% hexane at atmospheric pressure. Show all steps of your calculation; a literature value, result from an online calculator or reading off a diagram is not permitted.

Given that a mixture of nitric acid (bp 86 °C) and water forms a maximum-boiling-point azeotrope that boils at 120.7 °C with a composition of 67.4% nitric acid to 32.6% water. Construct an approximate boiling-point-phase diagram (with % composition on the x-axis and temperature on the y-axis) for this system. Include the boiling points of pure nitric acid, pure water, and the boiling point of the azeotrope on your diagram. Describe the behavior on distillation of a mixture that is 80% water and 20% nitric acid.

At what temperature does a mixture L1 = 40% molar benzene 60% water begin to distill? Indicate the molar composition of benzene/water in the vapor phase (V1) which is in equilibrium with the liquid mixture? At what temperature does this vapor condense?

Answer 2

Question

Chapter 4.4, Problem 12E

a)

Interpretation Introduction

Interpretation:Minimum number of theoretical plates that is required in fractional distillation separation of mixture with 70 mol % toluene and 30 mol % benzene should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

HETP is index that is used to measure efficiency of fractional distillation. It refers to height equivalent to theoretical plate. It denotes vertical length of column that is essential to achieve separation efficiency equivalent to one theoretical plate.

b)

Interpretation Introduction

Interpretation:Composition of first small amount of distillate obtained should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

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Answer 3

Question

Chapter 4.4, Problem 12E

a)

Interpretation Introduction

Interpretation:Minimum number of theoretical plates that is required in fractional distillation separation of mixture with 70 mol % toluene and 30 mol % benzene should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

HETP is index that is used to measure efficiency of fractional distillation. It refers to height equivalent to theoretical plate. It denotes vertical length of column that is essential to achieve separation efficiency equivalent to one theoretical plate.

b)

Interpretation Introduction

Interpretation:Composition of first small amount of distillate obtained should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

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Answer 4

Question

Chapter 4.4, Problem 12E

a)

Interpretation Introduction

Interpretation:Minimum number of theoretical plates that is required in fractional distillation separation of mixture with 70 mol % toluene and 30 mol % benzene should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

HETP is index that is used to measure efficiency of fractional distillation. It refers to height equivalent to theoretical plate. It denotes vertical length of column that is essential to achieve separation efficiency equivalent to one theoretical plate.

b)

Interpretation Introduction

Interpretation:Composition of first small amount of distillate obtained should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

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Answer 5

Chapter 4.4, Problem 12E

a)

Interpretation Introduction

Interpretation:Minimum number of theoretical plates that is required in fractional distillation separation of mixture with 70 mol % toluene and 30 mol % benzene should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

HETP is index that is used to measure efficiency of fractional distillation. It refers to height equivalent to theoretical plate. It denotes vertical length of column that is essential to achieve separation efficiency equivalent to one theoretical plate.

b)

Interpretation Introduction

Interpretation:Composition of first small amount of distillate obtained should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

Answer 6

Chapter 4.4, Problem 12E

a)

Interpretation Introduction

Interpretation:Minimum number of theoretical plates that is required in fractional distillation separation of mixture with 70 mol % toluene and 30 mol % benzene should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

HETP is index that is used to measure efficiency of fractional distillation. It refers to height equivalent to theoretical plate. It denotes vertical length of column that is essential to achieve separation efficiency equivalent to one theoretical plate.

Answer 7

Chapter 4.4, Problem 12E

a)

Interpretation Introduction

Interpretation:Minimum number of theoretical plates that is required in fractional distillation separation of mixture with 70 mol % toluene and 30 mol % benzene should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

HETP is index that is used to measure efficiency of fractional distillation. It refers to height equivalent to theoretical plate. It denotes vertical length of column that is essential to achieve separation efficiency equivalent to one theoretical plate.

Answer 8

b)

Interpretation Introduction

Interpretation:Composition of first small amount of distillate obtained should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

Answer 9

b)

Interpretation Introduction

Interpretation:Composition of first small amount of distillate obtained should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 4.2 - Prob. 1E Ch. 4.2 - Prob. 2E Ch. 4.2 - Prob. 3E Ch. 4.2 - Prob. 4E Ch. 4.2 - Prob. 5E Ch. 4.2 - Prob. 6E Ch. 4.2 - Prob. 7E Ch. 4.2 - Prob. 8E Ch. 4.2 - Prob. 9E Ch. 4.3 - Prob. 1E

Solution Summary: The author explains that tional distillation is based on vaporization of one or more tions or parts of mixture.

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