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* [[Course_outline_(2012) | Course outline]]
* [[Course_outline - 2014 | Course outline]]
* [[Course videos from 2012 | Course videos from 2012]] <!-- <span style="color:#008000">(updated)</span> -->
* [[Separation_Processes:_4M3:About | Copyright and other legal stuff]]
* [[Separation_Processes:_4M3:About | Copyright and other legal stuff]]
* [http://learnche.mcmaster.ca/feedback-questions Comments, questions, feedback?] Don't wait for official course evaluations.
<hr>
<hr>


'''Announcements''' ([[Archived-Announcements-2012|previous ones]])
'''Announcements''' ([[Archived-Announcements-2014|previous ones]]) <!--or <html><a href="https://twitter.com/4m3separations" class="twitter-follow-button" data-show-count="true" data-lang="en">Follow @4m3separations</a><script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs");</script></html>  -->
* [[Adsorption,_ion-exchange_and_chromatography_-_2012 |Notes for Tuesday are available]]


* '''Important''': parts of assignment 4 will be covered in class on Tuesday. Assignments must be submitted by the start of class on 6 November.


{| class="wikitable"
This course website is an archive of the website, as used in 2012, 2013 and 2014. It is still open for your reference. Please [[Separation_Processes:_4M3:About |feel free to use these materials]] as you wish.
|-
| Some hints and an update for [[Assignment 4 - 2012|assignment 4]], question 5:
* The \(A_\text{salt}\) and  \(A_\text{solv}\)  terms '''''are not''''' the area of the membrane: they are the permeances of the salt and solvent respectively. This unfortunate notation is widely used though in most texts.
* There is a correction, the feed concentration '''should be 2.5 g NaCl per liter''' in the feed ('''not 2.5 wt% NaCl'''). I apologize for wasting your time for those of you that have been iterating with negative concentrations.
* And another hint. I found a way to solve question 5 that leads to faster convergence:
** Specify \(C_F\) and \(\theta\)
** Guess \(C_R\) instead
** Calculate \(C_P\) from equation 5
** If your calculated value of \(C_P\) is negative or exceeds \(C_F\), then repeat your guess for \(C_R\), until you get a \(C_P\) that lies between 0 and \(C_F\) and double check also that the rejection coefficient from this \(C_P\) is reasonable, around 90 to 99%.
** This approach to estimate \(C_R\) and then \(C_P\) will get you really close to the final answer.
** Now carry on with the rest of the steps in the notes. It's interesting how simply flipping what you guess first leads to much faster convergence.
** If you iterate and get a negative value for \(C_P\) or \(C_R\), it simply means that you must decrease your guess for that term, since you obviously can't have a negative concentration.
* And a final hint: this question is much better to solve on a computer, with goal seek, than by hand. There is tremendous sensitivity to initial guesses, so solving by hand will take too long.
* For question 2(B), part 3: by definition, optimization implies we have excess degrees of freedom, i.e. more unknowns than equations. You should get a system of 3 unknowns (including \(A_1\) and \(A_2\)) and 2 equations. Set the 3rd unknown to various values (between its lower and upper bound), and solve for \(A_1\) and \(A_2\). Pick the solution that gives the optimum.
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<li> [[Overview of separation processes - 2012 | Overview of separation processes]]
|-
<li> [[Sedimentation, screens, centrifuges, cyclones - 2012|Thickeners and clarifiers (sedimentation), screens, centrifuges and cyclones]]
! Topic
<li> [[Membranes, dialysis, reverse osmosis, filters and bioseparations - 2012 | Membranes, dialysis, reverse osmosis, filters and bioseparations]]
|-
<li> [[Liquid-liquid extraction - 2012 | Liquid-liquid extraction]]
| width="70%" | 1. [[Overview of separation processes - 2014 | Overview of separation processes]]
<li> [[Adsorption, ion-exchange and chromatography - 2012 | Adsorption, ion-exchange and chromatography]]
|-
<li> [[Evaporation, drying and overview of crystallization - 2012 | Evaporation, drying and overview of crystallization]]
| 2. [[Mechanical separations - 2014|Sedimentation, particle size, centrifuges, cyclones, filtration]]
</ol>
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| 3. [[Membrane separations - 2014 | Membranes, microfiltration, ultrafiltration, reverse osmosis]]
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| 4. [[Liquid-liquid extraction - 2014 | Liquid-liquid extraction]]
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| 5. [[Adsorption separations - 2014 | Adsorption]]
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| 6. [[Heat-based separation - 2014 | Drying]]
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| 7. [[Course wrap-up - 2014 | Course wrap up]]
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<ul>
<ul>
<li> [[Course wrap-up - 2012 | Course wrap up]]</li>
<li> [[Suggested_readings|Suggested course readings]]</li>
</ul>
</ul>
<hr>
<hr>
* [[Suggested_readings|Supplementary readings]]
* [[Course materials from 2013]]
* [[Course materials from 2012]]
* [[Course pack for 2011]]
* [[Course pack for 2011]]
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'''Assignments''':  
'''Assignments''':  
# [[Assignment 1 - 2012]] <span style="color:#008888">(with solutions)</span>
''please, first read'' our guide on how to [[Electronic_submissions_-_2014|submit an assignment electronically]].
# [[Assignment 2 - 2012]] <span style="color:#008888">(with solutions)</span>
# [[Assignment 1 - 2014]]  
# [[Assignment 3 - 2012]] <span style="color:#008888">(with solutions)</span>
# [[Assignment 2 - 2014]]
# [[Assignment 4 - 2012]]
# [[Assignment 3 - 2014]]
# [[Assignment 5 - 2012]]
# [[Assignment 4 - 2014]]  
'''<span style="color:#008080">New</span>''': How to [[Electronic_submissions_-_2012|submit an assignment electronically]]
# [[Assignment 5 - 2014]]
 
<hr>
<hr>
'''Tests, exams and project'''
'''Tests, exams and project'''
:* [[Take-home exam - 2012|Take-home exam]]
:* [[Course project - 2014| Course project]]
:* [[Course project - 2012| Course project]]
:* [[Written midterm - 2014 | Written midterm]]
:* [[Written midterm - 2012 | Written midterm]] <span style="color:#008888">(with solutions)</span>
:* [[Final exam - 2014|Final exam]]
:* [[Final exam - 2012|Final exam]]
:* [[Practice questions | Practice questions for tests and exams]]
:* [[Practice questions | Practice questions for tests and exams]]
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|title=4M3 class calendar
|title=4M3 class calendar

Latest revision as of 19:59, 6 December 2018

Separation Processes: CHE 4M3


Administrative Class materials
Crystal Clear action configure.png

Announcements (previous ones)


This course website is an archive of the website, as used in 2012, 2013 and 2014. It is still open for your reference. Please feel free to use these materials as you wish.

Crystal Clear app korganizer.png
Topic
1. Overview of separation processes
2. Sedimentation, particle size, centrifuges, cyclones, filtration
3. Membranes, microfiltration, ultrafiltration, reverse osmosis
4. Liquid-liquid extraction
5. Adsorption
6. Drying
7. Course wrap up


Assignments, projects, exams Course calendar
Crystal Clear app kedit.png

Assignments: please, first read our guide on how to submit an assignment electronically.

  1. Assignment 1 - 2014
  2. Assignment 2 - 2014
  3. Assignment 3 - 2014
  4. Assignment 4 - 2014
  5. Assignment 5 - 2014

Tests, exams and project

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