1. komponenta

Lecture type	Total
Lectures	30
Laboratory exercises	15
Seminar	15

* Load is given in academic hour (1 academic hour = 45 minutes)

COURSE GOAL:
To introduce advanced oxidation technologies used in water and wastewater treatment. Acquire knowledge of characteristic chemical radical reactions, reaction mechanisms, process parameters, and reactor systems of certain advanced oxidation processes.

COURSE IMPLEMENTATION PROGRAM:
1. Introduction to advanced oxidation processes: Basic properties, free radical oxidation (mechanism of oxidative decomposition of organic compounds). Process types, applications and advantages over conventional water treatment processes.
Seminar: students work in groups on the topics of the seminar assignments given by the subject teachers and assistants, during which they learn about different types of advanced oxidation technologies for water treatment, using the purification of various organic pollutants as an example.
Laboratory Exercises: Students perform group exercises in the application of advanced oxidation technologies for the treatment of model wastewaters.
2. Homogeneous and heterogeneous Fenton type processes. Theoretical principles, chemical reactions, reaction mechanisms, process parameters, reactor systems and application characteristics. Photo-Fenton processes.
Seminar: task 1
3. Ozone: properties, production and stability. Direct and indirect mechanisms of oxidation of organic compounds by ozone.
Seminar: task 2
4. Ozonation, catalytic ozonation and peroxone processes: chemical reactions, reaction mechanisms, process parameters, reactor systems and application characteristics. Improvement of process efficiency
UV radiation.
Seminar: task 3
5. 1st partial exam.
6. Fundamentals of UV radiation. Radiation absorption and bond dissociation energy. Sources of UV radiation and their properties.
Seminar: Task 4
7. Fundamentals of UV photolysis. Actinometry. Molar absorption coefficient and range of radiation quantum. Direct photolysis. Effect of inhibitory properties of media on degradation efficiency.
Laboratory Exercises: Exercise 1
8. Advanced oxidation processes with UV radiation; photochemical processes. Typical oxidizing agents and their alternatives. Influence of process conditions and inhibitory properties of media on degradation efficiency.
Seminar: Task 5
9. Advanced oxidation processes with UV radiation; photocatalytic processes. Typical catalysts and their alternatives. Influence of process conditions and inhibitory properties of media on degradation efficiency.
Laboratory Exercises: Exercise 2
10. 2nd partial exam.
11. Processes based on electric discharge; principles and limitations. Types of electric fields; effects on process efficiency. High voltage electric discharge; the effect of reactor configuration on process chemistry.
Laboratory Exercises: Exercise 3
12. Ultrasonic processes; principles of sonochemistry and acoustic cavitation. Homogeneous (liquid phase) and heterogeneous (solid-liquid, particle-liquid, liquid-liquid) reactions.
Reactor configurations; batch and flow systems. Application of ultrasound in combination with ozone and / or UV radiation; synergistic and antagonistic effects.
Seminar: Task 6
13. Water radiolysis; fundamentals, formation of reactive species and limitations. Reaction kinetics of reactive species formed by radiolysis of water and organic pollutants present. Effect of presence of natural organic compounds on efficiency of water radiolysis.
Laboratory Exercises: Exercise 4
14. Different modeling approaches to simulate the efficiency of advanced oxidation processes. Application of response surface method for optimization of advanced oxidation processes. Application of mechanistic modeling to predict the efficiency of application of advanced oxidation processes; kinetics and degradation mechanisms.
Seminar: Assignment 7
15. 3rd partial exam.
PREREQUISITES FOR COURSE ENROLLMENT:
-
PREREQUISITES FOR COMPLETING THE COURSE:
Presented seminar assignments and submitted reports of laboratory exercises.

DEVELOPMENT OF GENERAL AND SPECIFIC COMPETENCIES FROM STUDENTS:
Knowledge in the field of application of advanced oxidation technologies for water treatment. Ability to analyze and optimize water treatment technologies based on advanced oxidation processes. Solve environmental problems of water protection by applying the methodology of chemical engineering and analytical procedures.
STUDENTS' TEACHING OBLIGATIONS AND THEIR PERFORMANCE:
1. attendance of lectures 2. seminar work 3. laboratory exercises.
TEACHING METHODS:
Lectures, laboratory exercises and presentation of seminar work.
METHOD OF EXAM OF KNOWLEDGE AND EXAM:
3 partial exams, written examination and/or oral examination.
METHODS OF SUPERVISION OF THE QUALITY AND PERFORMANCE OF COURSE:
Student survey.
COURSE LEARNING OUTCOMES:
1. Assess the advantages and disadvantages of different groups of advanced oxidation processes (NOT) for water treatment and their application in environmental technology.
2. Evaluate the efficiency of oxidative degradation of organic pollutants in water in terms of characteristic chemical reactions and reaction mechanisms, process parameters and application properties of different processes from the group of chemical NOTes.
3. Argue the efficiency enhancement of various NOTs using UV radiation by supporting with the theoretical basis given along with degradation mechanisms andthe practical aspects of the processes.
4. Hypothesize the relationship between the structure of semiconductors and their role in photocatalytic advanced oxidation processes
5. Critically evaluate the sustainability of the application of advanced oxidation processes of water treatment using ultrasound.
6. Relate the theoretical basis of radiolysis processes and high voltage electrical discharges with their application in water treatment technologies.
LEARNING OUTCOMES AT THE LEVEL OF THE PROGRAM TO WHICH THE COURSE CONTRIBUTES:
1. Recognize the problem by applying integrated basic sciences in the field of environmental protection.
2. Plan experiments and their implementation to verify the hypothesis.
3. Apply different analytical techniques, analytical and numerical methods and software tools to solve engineering problems.
4. Show an independence and reliability in independent work and the efficiency, reliability and adaptability in teamwork.

1. Nastavni materijali dostupni na stranicama kolegija, https://www.fkit.unizg.hr/predmet/not, H. Kušić, A. Lončarić Božić, M. Kovačić,
2. Chemical Degradation Methods for Wastes and Pollutants, M.A. Tarr, Marcel Dekker, New York, 2003.
3. Advanced Oxidation Processes for Water and Wastewater Treatment, S. Parsons, IWA Publishing, London, 2004.

Izborna grupa - Regular studij - Environmental Engineering