2020 Chemical Reaction Engineering I (Homogeneous System)

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Academic unit or major
Undergraduate major in Chemical Science and Engineering
Tago Teruoki 
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Course description and aims

The chemical process consists of the reaction and separation units, in which the chemical reaction unit is one of the most important units. In order to efficiently produce an objective product, appropriate selection and strict operation of reactor are an important issue. This course provides a basic method to design batch- and continuous-type reactors for homogeneous reactions in gas phase or liquid phase.
First, approximate derivation methods for chemical reaction rate are introduced to describe several chemical reactions such as radical, cracking, polymerization and enzyme reactions. The basic design methods for the reactors are explained, based on the mass-balance equation including the chemical reaction. Finally, these basic knowledge is expanded to the designs for continuous-tanks reactor and multi-tubular reactor. Finally, the effects of reaction temperature, volume of reactor and reaction times on the conversion and product yield are taught.

Student learning outcomes

By the end of this course, students will be able to:
1) Derive reaction rate equations using steady state approximation and rate-limiting step approximation
2) Understand the mass-balance equation and derive the design equations for reactor design in batch-, continuous stirred tank- reactor and tubular-reactors
3) Understand the characteristics of batch-reactor
4) Understand the characteristics of continuous stirred tank-reactor (CSTR)
5) Understand the characteristics of tublar-reactor (Plug-flow reactor, PFR)
6) Understand the effects of reactor volume and reaction time on the progress of reaction, changes in conversion and product yield


Chemical reaction, reaction rate, Reactor, Mass-balance, Reactor design

Competencies that will be developed

Specialist skills Intercultural skills Communication skills Critical thinking skills Practical and/or problem-solving skills

Class flow

Required learning should be completed outside of the classroom for preparation and review purpose.
In every class, a summary of the previous lecture is given. Towards the end of class, students are given exercise problems related to what is taught on that day to solve.

Course schedule/Required learning

  Course schedule Required learning
Class 1 Chapter 1 : Overview of chemical reaction engineering Chapter 2 : Chemical reacation rate equation (1) Overview the chemical reaction engineering and understand the chemical reaction rate.
Class 2 Chapter 2 : Chemical reacation rate equation (2) Understand the approximation method to derive the reaction rate equation.
Class 3 Chapter 3 : Basics for reactor design (1) Concentration, conversion and mass-balance in the reactor Understand the definition of oncentration, conversion and mass-balance equations in the reactor.
Class 4 Chapter 3 : Basics for reactor design (2) Basic equation for reactor design Understand the basic equation for basic equations for batch-tpe reactor, continuous stirred-tank reactor (CSTR) and plug-flow reactor (PFR).
Class 5 Kinetic analysis for ingle reaction using batch-type reactor Understand the kinetic analysis for single reaction using batch-type reactor.
Class 6 Kinetic analysis for single reaction Understand the kinetic analysis for single reaction using flow-type reactor (PFR).
Class 7 Reactor design and operation Understand the reactor design method and operation method.

Out-of-Class Study Time (Preparation and Review)

To enhance effective learning, students are encouraged to spend approximately 100 minutes preparing for class and another 100 minutes reviewing class content afterwards (including assignments) for each class.
They should do so by referring to textbooks and other course material.


Kenji Hashimoto. Hannou Kougaku. Tokyo: Baifukan. ISBN-10: 4563045187

Reference books, course materials, etc.

Kenji Hashimoto. Basic Kagaku Kougaku. Tokyo: Kagaku Doujin. ISBN-10: 4759810676

Assessment criteria and methods

Final exam (80%), Exercise problems and Reports (20%)

Related courses

  • CAP.B218 : Physical Chemistry III (Kinetics)
  • CAP.C205 : Chemical Process Stoichiometry
  • CAP.C306 : Chemical Reaction Engineering II (Heterogeneous System)

Prerequisites (i.e., required knowledge, skills, courses, etc.)

The condition of the study will not be made, but it is desirable to study "Chemical Process Stoichiometry (C205.R)".

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