COURSE OBJECTIVE: Introduction to technological processes and devices used in air protection with special emphasis on optimizing process operating conditions, dimensioning of process equipment and development of integrated processes
COURSE IMPLEMENTATION PROGRAM:
1. The composition and structure of the atmosphere and the definition of basic concepts
2. Sources and sinks for the main groups of pollutants and the consequences of air pollution
3. Emission, immission and transmission of air pollution
4. History of air pollution and legislation
5. Classification of pollutants and calculation of concentrations
6. Mechanisms of formation of main groups of pollutants
7. Method of solving problems in air protection (primary and secondary procedures, integrated approach)
8. Classification of technical processes and devices in air protection and features on which their work is based
9. Removal of solid pollutants from waste and/or exhaust gases using mechanical separation methods (gravity sedimentators, cyclones, filters, electrostatic precipitators, ESP)
10. Gas washing and wet dedusting (scrubbers)
11. Removal of gaseous pollutants using physical separation methods (adsorption and absorption processes).
12. Removal of gaseous pollutants by condensation and membrane separation
13. Chemical treatment of waste or exhaust gases: combustion and catalytic oxidation
14. Biological treatment of waste gases
15. Exhaust gas treatment from mobile sources
DEVELOPMENT OF GENERAL AND SPECIFIC COMPETENCIES OF STUDENTS: Application of the basic methodology of chemical engineering necessary for the selection of processes and devices used in air protection, understanding the way they work, defining process quantities and parameters and deriving mathematical models to describe their work.
STUDENTS 'TEACHING OBLIGATIONS AND THEIR PERFORMANCE: Attendance and active participation in lectures and exercises and fulfillment of seminar and laboratory obligations.
CONDITIONS FOR OBTAINING A SIGNATURE: Regular attendance of all forms of teaching provided by the course program.
TEACHING METHODS: In the form of lectures, seminars, laboratory exercises and consultations as needed.
METHOD OF EXAMINATION OF KNOWLEDGE AND EXAMINATION: 3 compulsory written tests during the semester through colloquia, seminars or independent problem solving and, if necessary, a written and oral exam.
METHOD OF MONITORING THE QUALITY AND PERFORMANCE OF COURSES: Quality and performance will be monitored through student surveys, interviews with students during classes, and their success in knowledge tests.
METHODOLOGICAL PREREQUISITES: Heat and mass balance, Transport processes, Environmental protection
COURSE LEARNING OUTCOMES:
1. to give definitions and describe basic concepts in air protection
2. to group sources of air pollution
3. to explain the mechanisms of formation of pollutants
4. to explain the approach to solving air protection problems
5. to list the basic processes and devices used in environmental protection and describe the basic features on which their work is based
6. to apply appropriate numerical and / or analytical methods in solving given examples
LEARNING OUTCOMES AT PROGRAM LEVEL:
1. to apply the basic methodology of chemical engineering in product and process development,
2. to dimension one or more process units or devices,
3. to determine key process parameters,
4. to apply appropriate mathematical / numerical methods in solving model equations
5. to acquire the skills needed to work in the chemical process industry
TEACHING UNITS WITH ASSOCIATED LEARNING OUTCOMES AND EVALUATION CRITERIA
Teaching unit 1. Sources of air pollution, defining basic concepts, divisions
Learning outcomes
- analyze the composition and division of the atmosphere
- define basic terms (such as pollution, pollutant, pollutant, emission, immission, aerosol, etc.)
- explain the greenhouse effect
- look at the history of air pollution
- state the division of pollutants according to the physical state
- get acquainted with the sources of pollution and describe the mechanisms of formation of solid and gaseous pollutants
Evaluation criteria
- explain at what levels the consequences of air pollution are felt
- understand the difference between the term pollutant and pollutant
- describe the impact of pollution on human health
- highlight the consequences of global air pollution
- state the ways in which the degree of air pollution is measured
Teaching unit 2. How to solve problems in air protection
Learning outcomes
- explain different approaches and ways to solve problems in air protection
- compare primary and secondary procedures in air protection
- analyze industrial plants with regard to pollutant sources
Evaluation criteria
- group secondary procedures for solving air protection problems
- provide examples that can describe the application of a process-integrated approach to environmental protection
- give a schematic representation of the industrial plant with an indication of possible sources of emissions into the environment
- list the basic types of industrial emissions
Teaching unit 3. Technical processes and devices in air protection and features on which their work is based
Learning outcomes
-explain the division of processes and devices according to the physical state of the pollutant, the applied method and the action of appropriate forces
-explain which factors influence the choice of the appropriate method
-explain how particle size and dynamics affect the selection and calculation of dedusting devices
Evaluation criteria
-group processes and dedusting devices with regard to the basic characteristics of the process and with regard to the characteristics of the particles to be removed
- explain the differences between wet and dry dedusting procedures
- compare dedusting devices with regard to the action of forces (driving force)
Teaching unit 4. Removal of solid contaminants
Learning outcomes
-state the division of the device for the removal of solid contaminants
- describe and analyze the mode of operation of the dedusting device
Evaluation criteria
- give examples of devices used to remove solid contaminants and explain how they work
- compare dedusting devices with regard to the action of forces (driving force)
- explain the mode of operation of the gravity sedimentator and calculate its efficiency with respect to the mode of flow
- state the division of the cyclone and calculate the pressure drop in the cyclone
- explain the operation of the filter and electrostatic precipitator
Teaching unit 5. Removal of gaseous pollutants
Learning outcomes
- explain the division of devices and procedures for the removal of gaseous pollutants with regard to the method of work
- explain the difference between the concept of gas and steam
Evaluation criteria
- describe the similarities and differences between adsorption and absorption processes
- explain the difference between the scrubbing or rinsing process and the stripping process
- explain the advantages and disadvantages of the filled layer absorber
- explain how adsorbent regeneration is carried out
- group capacitors according to the way they work - compare combustion processes and catalytic decomposition processes
- explain the basic performances of the bioprocess
- define the specifics related to the treatment of exhaust gases from mobile sources.
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