ENGCB323-21B (HAM)

Chemical Reaction Engineering

15 Points

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Division of Health Engineering Computing & Science
School of Engineering

Staff

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Convenor(s)

Lecturer(s)

Administrator(s)

: mary.dalbeth@waikato.ac.nz
: natalie.shaw@waikato.ac.nz

Placement/WIL Coordinator(s)

Tutor(s)

Student Representative(s)

Lab Technician(s)

Librarian(s)

: cheryl.ward@waikato.ac.nz
: debby.dada@waikato.ac.nz

You can contact staff by:

  • Calling +64 7 838 4466 select option 1, then enter the extension.
  • Extensions starting with 4, 5, 9 or 3 can also be direct dialled:
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Paper Description

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This 15-point paper covers the concepts of reaction rate, stoichiometry and equilibrium to the analysis of chemical and biological reacting systems. Design of chemical and biochemical reactors via synthesis of chemical kinetics and transport phenomena. Main topics in this course include: include chemical reactions pathways in batch, plug flow and continuous stirred-tank reactors; reactor stability and optimization of the reaction path; heterogeneous and enzymatic catalysis; heat and mass transport in reactors including diffusion to and within catalyst particles and cells or immobilized enzymes, and finally, design and sizing for single reactors and for parallel reactions.
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Paper Structure

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The paper is taught through a combination of lectures, tutorials, and laboratory classes. The tutorials will build on the content of the lectures; during the first half of the tutorial the lecturer will go through worked example problems, and the second half will be a time for students to work on their weekly assignments with assistance from the lecturer and/or tutor. In addition to the lectures and tutorials, each student will attend four laboratory classes where students will learn about practical aspects of Chemical Reaction Engineering.

Lectures/Tutorials

There are three lectures per week and one tutorial per week.

Laboratory/Project Work

Four 2-hour laboratories on reaction kinetics will be offered in this paper. Three software labs including simulation of chemical reactors using ASPEN-HYSYS software and one physical laboratory.

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Learning Outcomes

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Students who successfully complete the paper should be able to:

  • Explain the different steps in reaction mechanisms
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  • Make qualified choices of optimal reactor design, Batch, CSTR or PFR, or configurations of reactors in series
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  • Explain how operating conditions can affect the reaction progress rate
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  • Plan and interpret experimental data to determine kinetic parameters for chemical reactions
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  • Determine conversion and yield for chemical reactions
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  • Determine the reaction order and specific reaction rate from experimental data
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  • Determine the volume of reactor systems based on kinetic data
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  • Work together to solve both open-ended and closed-ended reaction engineering problems
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  • Being able to size and design different chemical reactors.
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Assessment

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The learning outcomes are assessed in tests, weekly assignments, labs, a project, and an exam, weighted as shown:

50% Final Exam (Restricted Book)

10% A Mid-trimester Tests

30% Assignments (Four fortnightly assignments, each worth 5%, and one open-ended design assignment worth 10%))

10% Lab works (Four experiments, each worth 2.5%)

Final exam

A 3-hour final examination will be at the end of the trimester, covering the whole semester’s lecture material. It will be a Restricted Book examination. Programmable calculators, not containing stored information, are allowed. Students are allowed to bring one (1) sheet (i.e. double sides) of A4 notes hand-written into the exam room. The Exam worth 50% of your final grade. Students must score at least 40% on the exam to pass the course.The format of the final examination will be discussed in lectures during the last week of the course.

Tests

There will be one 1-hour mid-term test (during the weeks starting 9th August) worth 10%.

Assignments

There will be five (5) fortnightly assignments that will be released in Moodle at the start of the week. The first four assignments contribute 20% to the final mark and the last assignment which is an open-ended problem will worth 10% of the final mark (All assignments together worth 30% of the final mark).

All assignments and lab worksheets are submitted at the School of Engineering Assignment Box (E2.04). Marked assignments will be handed out in the lecture and tutorials.

Lab work

There are four laboratory sessions. The timetable for the labs will be confirmed by the end of the third week, once all enrolments have been finalised. Each student is required to write a short lab report covering the main results and analysis from the laboratory exercise, which will be submitted at the School of Engineering Assignment Box (E2.04). The labs contribute 10% to the final mark.

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Assessment Components

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The internal assessment/exam ratio (as stated in the University Calendar) is 50:50. There is no final exam. The final exam makes up 50% of the overall mark.

The internal assessment/exam ratio (as stated in the University Calendar) is 50:50 or 0:0, whichever is more favourable for the student. The final exam makes up either 50% or 0% of the overall mark.

Component DescriptionDue Date TimePercentage of overall markSubmission MethodCompulsory
1. Assignment 1
26 Jul 2021
1:00 PM
5
  • Other: Hand-in at the SoE Assignment Box (E2.04)
2. Assignment 2
9 Aug 2021
1:00 PM
5
  • Other: Hand-in at the SoE Assignment Box (E2.04)
3. Assignment 3
6 Sep 2021
1:00 PM
5
  • Other: Hand-in at the SoE Assignment Box (E2.04)
4. Assignment 4
20 Sep 2021
1:00 PM
5
  • Other: Hand-in at the SoE Assignment Box (E2.04)
5. Assignment 5
11 Oct 2021
1:00 PM
10
  • Other: Hand-in at the SoE Assignment Box (E2.04)
6. Lab 1
2.5
  • Other: Lab submission method and due date to be confirmed
7. Lab 2
2.5
  • Other: Lab submission method and due date to be confirmed
8. Lab 3
2.5
  • Other: Lab submission method and due date to be confirmed
9. Lab 4
2.5
  • Other: Lab submission method and due date to be confirmed
10. Test 1
12 Aug 2021
6:00 PM
10
11. 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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Levenspiel, O. Chemical Reaction Engineering. 3rd ed. New York, NY: Wiley, 1999. ISBN: 9780471254249.
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Recommended Readings

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Fogler, H. S. Elements of Chemical Reaction Engineering. 4th ed. Upper Saddle River, NJ: Prentice-Hall PTR, 2006. ISBN: 9780130473943.

Smith, J. Chemical Engineering Kinetics. 3rd ed. New York, NY: McGraw-Hill, 1981. ISBN: 9780070587106.

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Online Support

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This paper has a Moodle page (http://elearn.waikato.ac.nz) where class notices, assignments, lecture notes and readings will be given (unless handed out in class).
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Workload

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The workload for a 15 point paper is 150 hours total. This equates to roughly 60 contact hours (36 hrs lectures, 12 hrs tutorials, 4 x 2hrs labs, 1 x 2 hrs tests, and a 3 hrs exam) plus 90 hours for assessment and independent study.

Students are expected to attend and take notes of lectures, participate in four labs in total, and attend the tutorial.

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Linkages to Other Papers

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Prerequisite(s)

Prerequisites: ENGCB280 or ENGG282

Corequisite(s)

Equivalent(s)

Restriction(s)

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