Lecture type: lectures
seminars
Exercise type: audio practice
Knowledge verification: partial preliminary writing exams or writing exam
Purpose:
Aims to enrich students appreciation of chemical and biochemical engineering. The unit suggests the range of problems encompassed by chemical engineering, both in traditional areas of chemical processing and in relatively new fields such as biochemical engineering. The course also aims to familiarize students with the application of mass and energy conservation law on chemical processes, and introduce them with chemical engineering process analysis and calculation of stationary and non-stationary processes.
Subject content:
1st week
Introduction (chemical engineering, biochemical engineering, environmental engineering, biotechnology, environmentally friendly technology). Differences between chemical and biochemical engineering.
2nd week
Basic terms in chemical engineering (mass balances, mass transfer phenomena, reaction engineering aspects). Basic laws, terms and techniques in chemical engineering calculations. Processes and process variables. Mass balances (basic equation, differential and integral mass balance).
3rd week
Calculations based on stationary mass balance equations (linear equation systems). Mass balance equations for a physical process in a single process unit.
4th week
Mass balance equations of the chemical process in a single process unit.
5th week
Mass balance equations of burning processes.
6th week
Energy and chemical engineering. Basic terms in energy balances. General energy balance equation. Energy balance of closed systems. Energy balance of opened systems (stationary process).
7th week
Calculations in chemical engineering with energy balances. Energy balances of single component systems.
8th week
Energy balances of multi-component systems. Energy balances of the process without chemical reaction.
9th week
Definition of reaction engineering. Reactors and bioreactors.
10th week
Ideal types of reactor. Mass balances in ideal reactor types.
11th week
Chemical reaction kinetics. Chemical reaction rate. Kinetic model. Reaction order.
12th week
Experimental methods of reaction rate determination. Integral and differential methods of data analysis. Initial reaction rate method.
13th week
Biocatalysis. Biocatalysts. Structure of biocatalysts.
14th week
Enzyme kinetics. Microbial growth kinetics. Heterogeneous biocatalysts. Heterogeneous biocatalysis. Interphase and between phase diffusion. Chemical reaction and residence time distribution.
15th week
Aeration. Mass transfer phenomena in biological systems. Engineering conditions in bioreactor design. Mixing in biological systems.
GENERAL AND SPECIFIC COMPETENCE
Students acquire basic knowledge needed for solving of practical problems during analysis of processes by application of chemical engineering methodology.
KNOWLEDGE TESTING AND EVALUATION:
1. Partial preliminary exams
2. Written exam
MONITORING OF THE COURSE QUALITY AND SUCCESSFULNESS:
Student survey
LITERATURE:
D.M. Himmelblau, Basic Principles and Calculations in Chemical Engineering, Prentice Hall, New Jersey, 1982.
R.M. Felder, R.W. Rousseeau, Elementary Principles of Chemical Processes, J. Wiley, New York, 1986.
J.E. Bailey, D.F. Ollis, Biochemical Engineering Fundamentals McGraw-Hill (1986).
A. Scragg ed. Biotechnology for Engineers - Biological Systems in Technological Processes, Ellis Horwood Limited, Chichester, (1988)
K. van't Riet, J. Tramper, Basic Bioreactor Design, Marcel Dekker, New York, (1991)
H.W. Blanch, D.S. Clark, Biochemical Engineering, Marcel Dekker, New York, (1996)
Expected learning outcomes at the level of the course:
1. To apply the law of mass conservation on physical, chemical and biochemical processes
2. To define the process space, system borders, input and output process values
3. To distinguish stationary and non-stationary, open and closed processes
4. To develop mass and energy balances of selected examples
5. To sketch block diagrams of simple chemical and related industries
6. To develop mathematical models of processes with chemical and biochemical reactions in different types of reactors
7. To solve both analytically and numerically (simulate) mathematical models of chemical and biochemical reactions in different types of reactor
8. To estimate the values of kinetic parameters of the model on the basis of experimental data by using the package program SCIENTIST
Learning outcomes at the level of the study programme:
1. to analyze and optimize processes of chemical and related industries
2. to apply the chemical engineering methodology in the process development
3. to competently participate in interdisciplinary team during process development
4. to apply mathematical methods, models and techniques in solving process problems
Teaching units with the corresponding learning outcomes and evaluation criteria
1. Mass balance of physical process
Learning outcomes
to apply the mass balance conservation law on physical processes
to define the process space, system borders, and input and output process variables
to write mass balances of selected examples
to sketch simple process schemes of the chemical and related industries
Evaluation criteria:
sketch the process scheme of the selected process and identify input and output process flows and values
define an base for the calculation
apply the mass conservation law and write mass balances for the selected process
solve the resulting system of independent linear equations
2. Mass balance of chemical process
Learning outcomes
to apply the mass conservation law on chemical and biochemical processes
to define and explain process space, borders of the system, and input and output values of the process
to write mass balances of the selected examples
to sketch simple process schemes of the processes in chemical and related industries
Evaluation criteria
sketch the process scheme for the selected process, define input and output process flows and process values
define a base for the calculation
apply the mass conservation law and write mass balances for the selected process
solve the resulting system of independent linear equations
3. Energy balance of physical process
to apply the energy conservation law on physical processes
to define process space, process borders, input and output process values
to define initial and end process conditions
to apply theromodynamic tables for finding parameters for estimate
to write mass and energy balances of selected examples
to sketch simple process schemes of chemical and related industries
Evaluation criteria
sketch the process scheme for the selected process, define input and output process flows and process values
to determine a base for the calculation
finding the literature data essential for the energy balance estimate
to apply mass and energy conservation law and write ass end energy balances of the selected process
to solve the system of independent linear equations
4. Ideal reactor types
Learning outcomes:
to define ideal reactor types
to define input and output values in reactor
to write and explain reactor models for ideal reactor types
Evaluation criteria:
write mass balances in different reactor types for the selected examples
5. Kinetics of chemical and biochemical reaction, and microbial kinetics
Learning outcomes
to define and explain kinetic models for chemical and biochemical reaction
to define and explain microbial kinetics
to estimate kinetic parameters for selected examples
Evaluation criteria
write a kinetic model for the selected reaction
6. The development of mathematical models for chemical and biochemical process
Learning outcomes
to define and explain the mathematical model of the process
to write the mathematical model of the process for the selected examples
to solve the mathematical model and estimate the values of kinetic parameters
Evaluation criteria
write a mathematical model of the process for the selected system
solve the system of independent equations (algebraic or differential)
7. Experimental methods for reaction rate determination
Learning outcomes
to apply the methods for the determination of reaction rate on the selected examples
Evaluation criteria
calculate reaction rates for the selected examples
8. Aeration and mixing in biological systems
Learning outcomes
to define the specialties of mixing and aeration in biological systems
Evaluation criteria
sketch and describe the transport of oxygen in biological system (cell)
write mathematical expressions that define the diffusion of gas into liquid
identify special demands for mixing in biological systems
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D.M.Himmelblau, Basic Principles and Calculations in Chemical
Engineering, Prentice Hall, New Jersey, 1982.,
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R.M.Felder and R.W.Rousseeau, Elementary Principles of Chemical
Processes, J.Wiley, New York, 2000.,
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O.Levenspiel, Chemical Reaction Engineering, J.Wiley, New York,
1999.,
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W.W. Nazaroff, L. Alvarez-Cohen, Environmental Engineering
Science, J.Wiley, 2001.,
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