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Chemical Engineering ThermodynamicsCredit code：13170280

Duration: 30 class hours

Credits：2

Preceded courses：Advanced Mathematics, Physical Chemistry, Principles

of Chemical Engineering

Teaching materials ： Chemical Engineering Thermodynamics, ed. Zhu

Ziqiang and Xu Xun, Chemical Industry Press, 2nd

1992

College: School of Chemistry and Chemical Engineering

1. ObjectivesChemical engineering thermodynamics is a branch of chemical engineering. It is

the base course of unit operations, reaction engineering curriculum. It provides the

necessary fluid thermodynamic properties and phase equilibrium data in the

 process of the chemical analysis, chemical reactors, separation equipment and

 process control design studies, directly service for industrial production. The main

task of this course is to solve two major problems, namely the process of rational

use of energy issues and the direction and limitations of chemical reactions.

2. Requirements, contents and progressTopic1：Introduction

Functional Objectives：(1) The scope and tasks of chemical thermodynamics

(2) Chemical characteristics and limitations of thermodynamics

(3) Chemical engineers need to Chemical Engineering Thermodynamics

Design requirements：Understanding the course of status, role and tasks; understanding the structure of 

the curriculum and problem-solving approach. Introduce the brief history of thedevelopment of chemical thermodynamics, characteristics and limitations of 

chemical thermodynamics.

Topic 2 Thermodynamic properties of fluids

Functional Objectives：  (1) pure fluid PVT behavior 

(2) fluid equation of state

(3) PVT relations of universal computing(4) real gas mixtures

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(5) the nature of the volume of fluid

(6) the thermodynamic properties of the fluid

Design requirements：Deep understanding of the thermodynamic properties of the fluid; understanding

the relationship between the measurable nature of the P, V, T and the

unmeasurable nature of H, U, A, G. Master the theory and state equation of the

measurable P, V, T between the theoretical and semi-empirical.

Topic 3：First law of thermodynamics and its applications

Functional Objectives：(1) Energy balance in closed and non-flow system

(2) energy balance in open flow system

(3) energy balance in steady flow process

(4) gas compression process

Design requirements：Understanding of the meaning of the first law of thermodynamics; Master the

 basic accounting relationships; Grasp the balance formula in open system and

simplified equation in some special system; Skilled calculating the energy

 balance in variety system.

Topic 4 ： Thermodynamic cycle - Second law of thermodynamics and its

applications

Functional Objectives：(1) The second law of thermodynamics

(2) entropy

(3) thermodynamic diagram and its application

(4) steam power cycle

(5) cooling

(6) heat pumpDesign requirements：Understanding of the meaning of the second law of thermodynamics and the

three versions of equivalence; Master the basic equations of entropy accounting.

Understanding of the concepts of entropy, entropy, system entropy and entropy

change, and their relationship. Understanding of the principles of steam power 

cycle and refrigeration cycle; Master the table of thermodynamic functions and

its application.

Topic 5：Thermodynamic analysis in chemical process

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Functional Objectives：(1) Basic theory

(2) Thermodynamic analysis of chemical elements

(3) Thermodynamic analysis of the three basic methods

Design requirements：Understand the essence of rational use of energy analysis; master the analysis

methods of unit operations and chemical production process; understand the

concepts of ideal function and loss function; Skilled calculating variety of ideal

functions and loss functions; understand the impact on the sensitive economic

factors of unit operation (fluid flow, heat transfer, evaporation, distillation, etc.);

Primarily understand the entropy analysis method of rational use of energy in

chemical production process.

 

Topic 6：Basic of solution thermodynamics

Functional Objectives：(1) Thermodynamic properties of the changing composition system

(2) fugacity and fugacity coefficient

(3) the ideal solution and the standard state

(4) the properties changing as homogeneous liquid mixed

(5) activity and the activity coefficient

Design requirements：Understand the essential difference between the solution and fluid; master the

 basic relationship of thermodynamic properties of solution; further of understand

the concepts of the chemical potential, partial molar properties, fugacity, fugacity

coefficient, activity and activity coefficient; understanding the essential of 

fugacity and activity; master the relationship and the calculation method of pure

fluid, mixture or composition of the fugacity and fugacity coefficient of P, V, T;

Grasp the characteristics of an ideal solution

Topic 7：Liquid equilibrium

Functional Objectives：(1) the criteria and approach to equilibrium

(2) the relationship between activity coefficient and the composed components

in binary system

(3) gas-liquid equilibrium

(4) vapor-liquid equilibrium

(5) liquid-liquid equilibrium

Design requirements：Understanding of the importance of equilibrium in chemical process; Master the

 basic equations of the criterion of equilibrium and balance; focusing on the

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calculation method in vapor-liquid equilibrium; General understanding of the

calculation in multi-system vapor-liquid equilibrium; Grasp the method in

checking thermodynamic consistency.

3. Schedule

Topics Theory Hours Practice Hours Machine Hours

1. Introduction 2

2. Thermodynamic properties of 

fluids

6

3. First law of thermodynamics and

its applications

4

4. Thermodynamic cycle - Second

law of thermodynamics and itsapplications

5

5. Thermodynamic analysis in

chemical process

7

6. Basic of solution thermodynamics 3

7. Liquid equilibrium 3

4. Syllabus description

 Note distinction between the ideal state of physical chemistry and the actual state in

the course; Attention to the links between thermodynamic theory and engineering

 practice; note helping students to learn how to use chemical thermodynamic theory to

solve practical problems.

5. References:

1. Chemical Thermodynamics, ed. Chen Zhongxiu, Chemical Industry Press, 1998.

2. Chemical Thermodynamics, ed. J. Smith, World Publishing Corporation (Beijing

Company), 1995.