Wastewaters Treatment

NAME OF THE COURSE

Code

KTJ309

Year of study

Course teacher

Prof Nediljka Vukojević Medvidović

Credits (ECTS)

4.0

Associate teachers

Type of instruction (number of hours)

P	S	V	T
30	15	0	0

Status of the course

Mandatory

Percentage of application of e-learning

0 %

COURSE DESCRIPTION

Course objectives

Students get to know the types of wastewaters, the indicators of their quality, wastewater treatments and the methods of wastewater sludge disposal.

Course enrolment requirements and entry competences required for the course

Enrolled in or passed the cours Exercises in Wastewaters Treatment

Learning outcomes expected at the level of the course (4 to 10 learning outcomes)

It is expected that the outcome of learning to provide knowledge about:
- the impact of pollution on developments in aquatic ecosystems
- the necessity of wastewater treatment and relationship with sustainable development
- calculating the state of oxygen in the ecosystem
- sources and characteristics of wastewater, pollution indicators
- calculation of wastewater loading by harmful substances and the number of population equivalent ES
- selection procedures and methods for wastewater treatment
- mechanical procedures for wastewater treatment
- physical and chemical processes for wastewater treatment
- mechanism and kinetics of biological wastewater treatment
- calculatin of basic parameters of process control with activated sludge
- methods of processing biological sludge and biogas production.

Course content broken down in detail by weekly class schedule (syllabus)

1 week: Introduction. Pollution of natural waters.
2 week: Pollution indicators: physical, chemical, biological, radiological. Specific and nonspecific quality indicators. Sampling methodology.
3 week: Autopurification process and carrying capacity. Oxygen levels in the water . The kinetics of the aerobic decomposition of organic matter in water. Numerical examples .
4 week: Quantity and quality of wastewater. Urban wastewater. Industrial effluents. Specifics of industrial wastewater .
5 week: Cooling wastewaters. Storm wastewater. Landfills leachate.
6 week: Loading of wastewater with harmful substances and the number of population equivalent ES. Numerical examples.
7 week: Wastewater treatment. Selection process and processing methods. Numerical examples. Mechanical methods of wastewater treatment.
8 week: Physico-chemical processes and practices for wastewater treatment: sedimentation, coagulation and flocculation, filtration, neutralization, chemical precipitation, oxidation, reduction, disinfection, membrane processes.
9 week: Physico-chemical processes for wastewater treatment. Numerical examples (part 1).
10 week: Physico-chemical processes for wastewater treatment. Numerical examples (part 2).
11 week: Biological processes for wastewater treatment. The factors of the biological activity of microorganisms. The types of microorganisms. The mechanism and kinetics of aerobic biological wastewater treatment.
12 week: Performance) of aerobic treatment processes: bioreactors, biofilters (biological trickling filters or rotating biodiscs), lagoons or stabilization ponds.
13 week: Technological performance of anaerobic wastewater treatment processes. The efficiency.
14 week: The parameters controlling the process of activated sludge. Numerical examples .
15 week: Treatment of sludge generated in the wastewater treatment: thickening , stabilization, dewatering, composting, conditioning, heat treating. Biogas production. Numerical examples.

Format of instruction:

Student responsibilities

Attending lectures is 80%, while seminars 100% of the total hours.

Screening student work (name the proportion of ECTS credits for eachactivity so that the total number of ECTS credits is equal to the ECTS value of the course):

Class attendance	1.5	Research	0.0	Practical training	0.0
Experimental work	0.0	Report	0.0
Essay	0.0	Seminar essay	1.0
Tests	0.5	Oral exam	0.5
Written exam	0.5	Project	0.0

Grading and evaluating student work in class and at the final exam

The entire exam can be applied over the three written evaluation during the semester. Passing threshold is 60%. Students who have not passed written evaluation during the semester should attend at the final exam in the regular examination period. Final exam will include written and oral exam. Passing threshold is also 60%. Rating: 60%-70% - satisfactory, 70%-80% - good, 80%-90% very good, 90%-100% - excellent.

Required literature (available in the library and via other media)

Title	Number of copies in the library	Availability via other media
D. Hendricks, Water treatment unit processes, Taylor and Francis Group, Boca Raton, 2006.	1
Metcalf & Eddy, Wastewater Engineering, Irwin McGraw-Hill, New York, 1991.	1
L. D. Benefield, et al., Process Chemistry for Water and Wastewater Treatment, Prentice-Hall Inc., Englewood Cliffs, New Jersey, 1982;	1
L. D. Benefield, et al., Process Chemistry for Water and Wastewater Treatment, Prentice-Hall Inc., Englewood Cliffs, New Jersey, 1982.	1
S. Tedeschi, Zaštita voda, HDGI, Zagreb, 1997.	1
B. Tušar, Ispuštanje i pročišćavanje otpadne vode, Croatiaknjiga, Zagreb, 2004.	1

Optional literature (at the time of submission of study programme proposal)

Quality assurance methods that ensure the acquisition of exit competences

Quality assurance will be performed at three levels:
(1) University Level; (2) Faculty Level by Quality Control Committee; (3) Lecturer’s Level.

Other (as the proposer wishes to add)

Suggestions and reactions of participants during the semester.
Student survey.