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Examples of Crystallization: Problems and Solutions

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Examples of Crystallization: Problems and Solutions

Crystallization Process in Chemical Engineering - A comprehensive guide covering crystallization calculations, heat transfer, and mass balance equations in industrial crystallizer operations.

• The document details various examples of crystallization in worded problems including Glauber's salt and sodium phosphate crystallization processes.

• Key calculations involve heat transfer coefficients, crystallizer design parameters, and mass balance equations demonstrating crystallization separation technique examples.

• Multiple solved examples showcase industrial applications of crystallization process steps including Swenson-walker and vacuum crystallizers.

• Problems incorporate real-world parameters like temperature gradients, heat transfer coefficients, and solubility relationships to illustrate crystallization examples in daily life.

2/24/2023

9


<p>In this text, we will explore various examples of crystallization in worded problems and solutions. Crystallization is an important proc

View

Page 2: Glauber's Salt Crystallization Parameters

This page details the crystallization of Glauber's salt (Na₂SO₄·10H₂O) and associated process parameters.

Vocabulary: Glauber's salt is the decahydrate form of sodium sulfate (Na₂SO₄·10H₂O).

Definition: Solubility curves show the relationship between temperature and dissolved salt concentration.

Example: At 49°C, the solubility is 46.91g Na₂SO₄ per 100g H₂O.

The page includes steady-state mass balance equations and specific heat calculations for the crystallization process.


<p>In this text, we will explore various examples of crystallization in worded problems and solutions. Crystallization is an important proc

View

Page 3: Swenson-Walker Crystallizer Problem

This section presents a detailed problem involving a Swenson-walker crystallizer producing Glauber's salt.

Definition: A Swenson-walker crystallizer is an industrial crystallization unit using controlled cooling for crystal formation.

Example: The problem calculates cooling requirements for producing 800 kg/h of Glauber's salt with specified temperature gradients.

Highlight: The overall heat transfer coefficient is 175 kcal/hr·m²·°C with cooling surface area of 1.3 m² per meter of crystallizer.


<p>In this text, we will explore various examples of crystallization in worded problems and solutions. Crystallization is an important proc

View

Page 4: Sodium Phosphate Crystallization Analysis

This page covers the crystallization of sodium phosphate dodecahydrate (Na₃PO₄·12H₂O).

Vocabulary: Heat of crystallization represents the energy released during crystal formation.

Example: The problem involves cooling a solution from 313K to 298K with a product rate of 0.063 kg/s.

Highlight: The heat of crystallization is 146.5 KJ/kg with an overall heat transfer coefficient of 140 W/m²·K.


<p>In this text, we will explore various examples of crystallization in worded problems and solutions. Crystallization is an important proc

View

Page 5: Adiabatic Vacuum Crystallizer Operations

This page examines an adiabatic vacuum crystallizer producing copperas (FeSO₄·7H₂O) crystals.

Definition: An adiabatic vacuum crystallizer operates without heat exchange with the surroundings, using vacuum to facilitate crystallization.

Example: The feed contains 38.9 parts FeSO₄ per 100 parts H₂O, producing 10 tons/h of copperas crystals.

Highlight: The process involves complex enthalpy balances and mass transfer calculations at specific vacuum conditions.


<p>In this text, we will explore various examples of crystallization in worded problems and solutions. Crystallization is an important proc

View

Page 1: Heat Transfer Calculations in Crystallizer Design

This page focuses on detailed calculations for a crystallizer system, incorporating heat transfer coefficients and temperature gradients.

Definition: Crystallizer sections are units where controlled cooling facilitates crystal formation and growth.

Example: The calculations show heat transfer analysis for a system processing 800 kg/h with cooling water temperature rising from 15°C to 21°C.

Highlight: The total surface area required for heat transfer is calculated as 12.12468 m², with each crystallizer section being 3m long.

The page demonstrates comprehensive heat balance equations and temperature difference calculations essential for crystallizer design.

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Examples of Crystallization: Problems and Solutions

Crystallization Process in Chemical Engineering - A comprehensive guide covering crystallization calculations, heat transfer, and mass balance equations in industrial crystallizer operations.

• The document details various examples of crystallization in worded problems including Glauber's salt and sodium phosphate crystallization processes.

• Key calculations involve heat transfer coefficients, crystallizer design parameters, and mass balance equations demonstrating crystallization separation technique examples.

• Multiple solved examples showcase industrial applications of crystallization process steps including Swenson-walker and vacuum crystallizers.

• Problems incorporate real-world parameters like temperature gradients, heat transfer coefficients, and solubility relationships to illustrate crystallization examples in daily life.

2/24/2023

9

 

Chemistry

0


<p>In this text, we will explore various examples of crystallization in worded problems and solutions. Crystallization is an important proc

Page 2: Glauber's Salt Crystallization Parameters

This page details the crystallization of Glauber's salt (Na₂SO₄·10H₂O) and associated process parameters.

Vocabulary: Glauber's salt is the decahydrate form of sodium sulfate (Na₂SO₄·10H₂O).

Definition: Solubility curves show the relationship between temperature and dissolved salt concentration.

Example: At 49°C, the solubility is 46.91g Na₂SO₄ per 100g H₂O.

The page includes steady-state mass balance equations and specific heat calculations for the crystallization process.


<p>In this text, we will explore various examples of crystallization in worded problems and solutions. Crystallization is an important proc

Page 3: Swenson-Walker Crystallizer Problem

This section presents a detailed problem involving a Swenson-walker crystallizer producing Glauber's salt.

Definition: A Swenson-walker crystallizer is an industrial crystallization unit using controlled cooling for crystal formation.

Example: The problem calculates cooling requirements for producing 800 kg/h of Glauber's salt with specified temperature gradients.

Highlight: The overall heat transfer coefficient is 175 kcal/hr·m²·°C with cooling surface area of 1.3 m² per meter of crystallizer.


<p>In this text, we will explore various examples of crystallization in worded problems and solutions. Crystallization is an important proc

Page 4: Sodium Phosphate Crystallization Analysis

This page covers the crystallization of sodium phosphate dodecahydrate (Na₃PO₄·12H₂O).

Vocabulary: Heat of crystallization represents the energy released during crystal formation.

Example: The problem involves cooling a solution from 313K to 298K with a product rate of 0.063 kg/s.

Highlight: The heat of crystallization is 146.5 KJ/kg with an overall heat transfer coefficient of 140 W/m²·K.


<p>In this text, we will explore various examples of crystallization in worded problems and solutions. Crystallization is an important proc

Page 5: Adiabatic Vacuum Crystallizer Operations

This page examines an adiabatic vacuum crystallizer producing copperas (FeSO₄·7H₂O) crystals.

Definition: An adiabatic vacuum crystallizer operates without heat exchange with the surroundings, using vacuum to facilitate crystallization.

Example: The feed contains 38.9 parts FeSO₄ per 100 parts H₂O, producing 10 tons/h of copperas crystals.

Highlight: The process involves complex enthalpy balances and mass transfer calculations at specific vacuum conditions.


<p>In this text, we will explore various examples of crystallization in worded problems and solutions. Crystallization is an important proc

Page 1: Heat Transfer Calculations in Crystallizer Design

This page focuses on detailed calculations for a crystallizer system, incorporating heat transfer coefficients and temperature gradients.

Definition: Crystallizer sections are units where controlled cooling facilitates crystal formation and growth.

Example: The calculations show heat transfer analysis for a system processing 800 kg/h with cooling water temperature rising from 15°C to 21°C.

Highlight: The total surface area required for heat transfer is calculated as 12.12468 m², with each crystallizer section being 3m long.

The page demonstrates comprehensive heat balance equations and temperature difference calculations essential for crystallizer design.

Can't find what you're looking for? Explore other subjects.

Knowunity is the # 1 ranked education app in five European countries

Knowunity was a featured story by Apple and has consistently topped the app store charts within the education category in Germany, Italy, Poland, Switzerland and United Kingdom. Join Knowunity today and help millions of students around the world.

Ranked #1 Education App

Download in

Google Play

Download in

App Store

Knowunity is the # 1 ranked education app in five European countries

4.9+

Average App Rating

15 M

Students use Knowunity

#1

In Education App Charts in 12 Countries

950 K+

Students uploaded study notes

Still not sure? Look at what your fellow peers are saying...

iOS User

I love this app so much [...] I recommend Knowunity to everyone!!! I went from a C to an A with it :D

Stefan S, iOS User

The application is very simple and well designed. So far I have found what I was looking for :D

SuSSan, iOS User

Love this App ❤️, I use it basically all the time whenever I'm studying