ENGCB324-20A (HAM)

Mass Transfer Operations

15 Points

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Division of Health Engineering Computing & Science
School of Engineering

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: debby.dada@waikato.ac.nz

You can contact staff by:

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Paper Description

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The course will begin with the development of basic principles of mixing and fluid-phase equilibria theory, and will then move on to show how these principles may be applied to specific unit operations including, flash separation, binary and multi-component distillation, evaporation, drying and membrane separations. ENGCB280 and ENGCB224 should be completed before enrolling in this paper.
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Paper Structure

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The course will be taught in the first semester, commencing with the first lecture on Monday, 25th of February.

Labs/Tutorials/Project Work

Laboratory work consists of four laboratory sessions. Students must achieve a mark of 50 % or better for the Laboratory component of the course in order to achieve an overall pass. Each student is required to keep a laboratory journal in a hard-covered book for each laboratory session. Your journal, worth 10 % of the overall grade, should be submitted by 5pm of the Thursday following the lab. In addition, there will be a small project to complete. The report for this project will contribute 10% to the final grade. A tutorial will be held most weeks and assignments set in these tutorials will contribute 10% to the final grade.

Tests

There will be one test in addition to the end of semester exam. The test will contribute 20% to the final mark. The test date is Wednesday April 10th 2019.

Important Note for International Students: For international students in New Zealand under student visas, regular attendance is part of your visa obligation and is checked as a requirement on the University under the Code of Practice for the Pastoral Care of International Students, to which the University is a signatory. Academic staff are formally required to monitor attendance in classes and submission of compulsory assessment events/items and to report to Waikato International in the event that any problem with irregular attendance or non-submission is not resolved.

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Learning Outcomes

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Students who successfully complete the course should be able to:

  • Generate fluid phase equilibrium diagrams using fugacity models
    Linked to the following assessments:
  • Use equilibrium diagrams, Gibbs' phase rule and material balances to determine phase amounts and compositions in a single equilibrium stage flash process
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  • Estimate recoveries in multi-stage equilibrium cascades
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  • Use the McCabe-Thiele method to design distillation processes for binary mixtures
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  • Design batch distillation processes
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  • Estimate drying rates and drying times during the constant-rate drying period
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  • Describe basic principles and perform basic calculations for membrane separation processes
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  • Specify suitable evaporation units for a given evaporation load
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  • Determine power consumption, required mixing times and mixing speeds for liquid-phase mixing processes
    Linked to the following assessments:
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Assessment

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Assessment Components

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The internal assessment/exam ratio (as stated in the University Calendar) is 100:0. There is no final exam. The final exam makes up 0% of the overall mark.

The internal assessment/exam ratio (as stated in the University Calendar) is 100:0 or 0:0, whichever is more favourable for the student. The final exam makes up either 0% or 0% of the overall mark.

Component DescriptionDue Date TimePercentage of overall markSubmission MethodCompulsory
1. Assignments
15
  • Hand-in: Assignment Box
2. Lab journal
10
  • Hand-in: Assignment Box
3. Project
5 Jun 2020
5:00 PM
5
  • Hand-in: Assignment Box
4. Test
15 Apr 2020
9:00 AM
20
  • Hand-in: In Lecture
5. Exam
50
Assessment Total:     100    
Failing to complete a compulsory assessment component of a paper will result in an IC grade
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Required and Recommended Readings

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Required Readings

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Unit Operations of Chemical Engineering, 7th Edn. W. L. McCabe, J. C. Smith, P. Harriott, McGraw Hill, 1993.
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Recommended Readings

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Heat and Mass Transfer: fundamentals and applications, by Y. A. Çengel, & A. J. Ghajar, 4th Edn., McGraw Hill, New York, 2011

Separation Process Principles 2nd Edn., by J. D. Seader & E. J. Henley, Wiley, 2005.

Introduction to chemical engineering thermodynamics, 6th Edn. by J. M. Smith, H. C. Van Ness, M. M. Abbott, McGraw Hill, Prentice Hall Inc., 2001.

Fundamentals of Thermal-Fluid Sciences 2nd Edn. Y.A. Cengel, R.H. Turner, McGraw-Hill, 2005

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Online Support

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This paper has a Moodle page (http://elearn.waikato.ac.nz) where you will be able to access PDFs of lecture notes and powerpoints, and assessment materials.
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Workload

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This paper has 4 to 6 contact hours per week. In addition students are expected allocate time to work on assignments and lab write-ups and to read recommend reading material. Overall it is expected that 150 hours are devoted to this paper by each student.
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Linkages to Other Papers

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This paper builds on material covered in ENGCB224 and ENGCB280.
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Prerequisite(s)

Prerequisites: ENGCB224 and ENGCB280

Corequisite(s)

Equivalent(s)

Restriction(s)

Restricted papers: ENMP323

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