(a) Interpretation: The feed rates of the SO 2 and air feed streams and the extent of reaction, e should be calculated. Concept Introduction The feed rates and extent of reactions can be better explained on the basis of flow chart formed from the given data.

Question

In the production of ethyl acetate via reactive distillation, the column operates at 5 bar with an equimolar feed (ethanol + acetic acid) at 80°C. The reaction follows: \[CH_3COOH + C_2H_5OH \rightleftharpoons CH_3COOC_2H_5 + H_2O \quad (K_{eq} = 4.2 \text{ at } 80°C)\] Given: - NRTL parameters for all binary pairs - Tray efficiency = 65% - Vapor-liquid equilibrium exhibits positive azeotrope formation Calculate the exact minimum reflux ratio required to achieve 98% ethyl acetate purity in the distillate, assuming: 1) The reaction reaches equilibrium on each tray 2) The heavy key component is water

Answer 1

Question

Chapter 9, Problem 9.17P

Interpretation Introduction

(a)

Interpretation:

The feed rates of the SO₂ and air feed streams and the extent of reaction, e should be calculated.

Concept Introduction

The feed rates and extent of reactions can be better explained on the basis of flow chart formed from the given data.

Interpretation Introduction

(b)

Interpretation:

Calculate the standard heat of the SO₂ oxidation reaction in kJ. Taking molecular species at 25? as references, an inlet-outlet enthalpy table should be prepared and filled in. Write an energy balance to calculate the necessary rate of heat transfer (kW) from the reactor to the cooling water.

Concept introduction:

The standard heat of formation will be helpful to solve the problem as:

ΔHr0=ΔHf0(product)−ΔHf0(reactant)

Interpretation Introduction

(c)

Interpretation:

Calculate the minimum flow rate of heat transfer (kW) from the reactor to the cooling water.

Interpretation Introduction

(d)

Interpretation:

The result if element species is taken into calculation in part (b) should be stated.

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In the production of ethyl acetate via reactive distillation, the column operates at 5 bar with an equimolar feed (ethanol + acetic acid) at 80°C. The reaction follows: \[CH_3COOH + C_2H_5OH \rightleftharpoons CH_3COOC_2H_5 + H_2O \quad (K_{eq} = 4.2 \text{ at } 80°C)\] Given: - NRTL parameters for all binary pairs - Tray efficiency = 65% - Vapor-liquid equilibrium exhibits positive azeotrope formation Calculate the exact minimum reflux ratio required to achieve 98% ethyl acetate purity in the distillate, assuming: 1) The reaction reaches equilibrium on each tray 2) The heavy key component is water

In a multi-stage distillation column designed to separate a binary mixture of ethanol and water, the mass flow rate of the feed entering the column is \( F \), and the distillate product flow rate is \( D \). The reflux ratio \( R \) is defined as the ratio of the liquid returned to the column to the distillate flow rate. For the ideal case, where the column operates at maximum efficiency, determine the **minimum reflux ratio** \( R_{\text{min}} \) when the relative volatility \( \alpha = 1.5 \).

Q2: Draw the layout of a basic asynchronous 32k * 8 SRAM.

Answer 2

Question

Chapter 9, Problem 9.17P

Interpretation Introduction

(a)

Interpretation:

The feed rates of the SO₂ and air feed streams and the extent of reaction, e should be calculated.

Concept Introduction

The feed rates and extent of reactions can be better explained on the basis of flow chart formed from the given data.

Interpretation Introduction

(b)

Interpretation:

Calculate the standard heat of the SO₂ oxidation reaction in kJ. Taking molecular species at 25? as references, an inlet-outlet enthalpy table should be prepared and filled in. Write an energy balance to calculate the necessary rate of heat transfer (kW) from the reactor to the cooling water.

Concept introduction:

The standard heat of formation will be helpful to solve the problem as:

ΔHr0=ΔHf0(product)−ΔHf0(reactant)

Interpretation Introduction

(c)

Interpretation:

Calculate the minimum flow rate of heat transfer (kW) from the reactor to the cooling water.

Interpretation Introduction

(d)

Interpretation:

The result if element species is taken into calculation in part (b) should be stated.

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Answer 3

Question

Chapter 9, Problem 9.17P

Interpretation Introduction

(a)

Interpretation:

The feed rates of the SO₂ and air feed streams and the extent of reaction, e should be calculated.

Concept Introduction

The feed rates and extent of reactions can be better explained on the basis of flow chart formed from the given data.

Interpretation Introduction

(b)

Interpretation:

Calculate the standard heat of the SO₂ oxidation reaction in kJ. Taking molecular species at 25? as references, an inlet-outlet enthalpy table should be prepared and filled in. Write an energy balance to calculate the necessary rate of heat transfer (kW) from the reactor to the cooling water.

Concept introduction:

The standard heat of formation will be helpful to solve the problem as:

ΔHr0=ΔHf0(product)−ΔHf0(reactant)

Interpretation Introduction

(c)

Interpretation:

Calculate the minimum flow rate of heat transfer (kW) from the reactor to the cooling water.

Interpretation Introduction

(d)

Interpretation:

The result if element species is taken into calculation in part (b) should be stated.

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Answer 4

Question

Chapter 9, Problem 9.17P

Interpretation Introduction

(a)

Interpretation:

The feed rates of the SO₂ and air feed streams and the extent of reaction, e should be calculated.

Concept Introduction

The feed rates and extent of reactions can be better explained on the basis of flow chart formed from the given data.

Interpretation Introduction

(b)

Interpretation:

Calculate the standard heat of the SO₂ oxidation reaction in kJ. Taking molecular species at 25? as references, an inlet-outlet enthalpy table should be prepared and filled in. Write an energy balance to calculate the necessary rate of heat transfer (kW) from the reactor to the cooling water.

Concept introduction:

The standard heat of formation will be helpful to solve the problem as:

ΔHr0=ΔHf0(product)−ΔHf0(reactant)

Interpretation Introduction

(c)

Interpretation:

Calculate the minimum flow rate of heat transfer (kW) from the reactor to the cooling water.

Interpretation Introduction

(d)

Interpretation:

The result if element species is taken into calculation in part (b) should be stated.

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Answer 5

Chapter 9, Problem 9.17P

Interpretation Introduction

(a)

Interpretation:

The feed rates of the SO₂ and air feed streams and the extent of reaction, e should be calculated.

Concept Introduction

The feed rates and extent of reactions can be better explained on the basis of flow chart formed from the given data.

Interpretation Introduction

(b)

Interpretation:

Calculate the standard heat of the SO₂ oxidation reaction in kJ. Taking molecular species at 25? as references, an inlet-outlet enthalpy table should be prepared and filled in. Write an energy balance to calculate the necessary rate of heat transfer (kW) from the reactor to the cooling water.

Concept introduction:

The standard heat of formation will be helpful to solve the problem as:

ΔHr0=ΔHf0(product)−ΔHf0(reactant)

Interpretation Introduction

(c)

Interpretation:

Calculate the minimum flow rate of heat transfer (kW) from the reactor to the cooling water.

Interpretation Introduction

(d)

Interpretation:

The result if element species is taken into calculation in part (b) should be stated.

Answer 6

Chapter 9, Problem 9.17P

Interpretation Introduction

(a)

Interpretation:

The feed rates of the SO₂ and air feed streams and the extent of reaction, e should be calculated.

Concept Introduction

The feed rates and extent of reactions can be better explained on the basis of flow chart formed from the given data.

Answer 7

Chapter 9, Problem 9.17P

Interpretation Introduction

(a)

Interpretation:

The feed rates of the SO₂ and air feed streams and the extent of reaction, e should be calculated.

Concept Introduction

The feed rates and extent of reactions can be better explained on the basis of flow chart formed from the given data.

Answer 8

Interpretation Introduction

(b)

Interpretation:

Calculate the standard heat of the SO₂ oxidation reaction in kJ. Taking molecular species at 25? as references, an inlet-outlet enthalpy table should be prepared and filled in. Write an energy balance to calculate the necessary rate of heat transfer (kW) from the reactor to the cooling water.

Concept introduction:

The standard heat of formation will be helpful to solve the problem as:

ΔHr0=ΔHf0(product)−ΔHf0(reactant)

Answer 9

Interpretation Introduction

(b)

Interpretation:

Calculate the standard heat of the SO₂ oxidation reaction in kJ. Taking molecular species at 25? as references, an inlet-outlet enthalpy table should be prepared and filled in. Write an energy balance to calculate the necessary rate of heat transfer (kW) from the reactor to the cooling water.

Concept introduction:

The standard heat of formation will be helpful to solve the problem as:

ΔHr0=ΔHf0(product)−ΔHf0(reactant)

Answer 10

Interpretation Introduction

(c)

Interpretation:

Calculate the minimum flow rate of heat transfer (kW) from the reactor to the cooling water.

Answer 11

Interpretation Introduction

(c)

Interpretation:

Calculate the minimum flow rate of heat transfer (kW) from the reactor to the cooling water.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The result if element species is taken into calculation in part (b) should be stated.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The result if element species is taken into calculation in part (b) should be stated.

Answer 14

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Answer 15

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Answer 25

Ch. 9 - The standard heat of the reaction...Ch. 9 - Prob. 9.2P Ch. 9 - Prob. 9.3P Ch. 9 - The standard heat of the reaction...Ch. 9 - Prob. 9.5P Ch. 9 - Prob. 9.6P Ch. 9 - Prob. 9.7P Ch. 9 - Prob. 9.8P Ch. 9 - The standard heat of combustion of gaseous ethane...Ch. 9 - The standard heat of combustion (AH°) of liquid...

(a) Interpretation: The feed rates of the SO 2 and air feed streams and the extent of reaction, e should be calculated. Concept Introduction The feed rates and extent of reactions can be better explained on the basis of flow chart formed from the given data.

Solution Summary: The author explains the feed rates of SO 2 and air feed streams and the extent of reaction, e. The basic feed is 1 mol Heptanes taken at 400?

Concept explainers

(a)

Interpretation:

The feed rates of the SO₂ and air feed streams and the extent of reaction, e should be calculated.

Concept Introduction

The feed rates and extent of reactions can be better explained on the basis of flow chart formed from the given data.

(c)

Interpretation:

Calculate the minimum flow rate of heat transfer (kW) from the reactor to the cooling water.

(d)

Interpretation:

The result if element species is taken into calculation in part (b) should be stated.

Chapter 9 Solutions

(a) Interpretation: The feed rates of the SO 2 and air feed streams and the extent of reaction, e should be calculated. Concept Introduction The feed rates and extent of reactions can be better explained on the basis of flow chart formed from the given data.

Solution Summary: The author explains the feed rates of SO 2 and air feed streams and the extent of reaction, e. The basic feed is 1 mol Heptanes taken at 400?

Concept explainers