Crystallization Process in Chemical Engineering- A comprehensive guide covering... Show more
Chemistry22 views·Updated Jun 1, 2026·5 pagesExamples of Crystallization: Problems and Solutions
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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.
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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.
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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.
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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.
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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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Chemistry22 views·Updated Jun 1, 2026·5 pagesExamples 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 problemsincluding Glauber's salt and sodium phosphate crystallization... Show more
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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.
2
of 5Sign up to see the content. It's free!
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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.
3
of 5Sign up to see the content. It's free!
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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.
4
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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.
5
of 5Sign up to see the content. It's free!
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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.
We thought you’d never ask...
What is the Knowunity AI companion?
Our AI companion is specifically built for the needs of students. Based on the millions of content pieces we have on the platform we can provide truly meaningful and relevant answers to students. But its not only about answers, the companion is even more about guiding students through their daily learning challenges, with personalised study plans, quizzes or content pieces in the chat and 100% personalisation based on the students skills and developments.
Where can I download the Knowunity app?
You can download the app in the Google Play Store and in the Apple App Store.
Is Knowunity really free of charge?
That's right! Enjoy free access to study content, connect with fellow students, and get instant help – all at your fingertips.
Similar Content
Most popular content in Chemistry
9Most popular content
9Can't find what you're looking for? Explore other subjects.
Students love us — and so will you.
4.6/5App Store
4.7/5Google Play
The app is very easy to use and well designed. I have found everything I was looking for so far and have been able to learn a lot from the presentations! I will definitely use the app for a class assignment! And of course it also helps a lot as an inspiration.
Stefan SiOS user
This app is really great. There are so many study notes and help [...]. My problem subject is French, for example, and the app has so many options for help. Thanks to this app, I have improved my French. I would recommend it to anyone.
Samantha KlichAndroid user
Wow, I am really amazed. I just tried the app because I've seen it advertised many times and was absolutely stunned. This app is THE HELP you want for school and above all, it offers so many things, such as workouts and fact sheets, which have been VERY helpful to me personally.
AnnaiOS user