Learning outcomes expected at the level of the course (4 to 10 learning outcomes) |
After passing the exam the student is expected to know:
- Explain the processes for the preparation of drinking water used in the food industry
- Water quality requirements for different types of food industry
- Procedures for softening water
- Methods of test facilities biodegradable substances in water
- Conventional methods of wastewater treatment
- Advanced methods of wastewater treatment
- Basic regulations relating to water quality in the nature and maximum permissible concentrations of harmful substances in wastewater prior to discharge into the environment. |
Course content broken down in detail by weekly class schedule (syllabus) |
1st week: Hydrology. The water cycle, evaporation, infiltration, precipitation, underground and surface runoff. Condition of natural waters in Croatia. The division of water in nature.
2nd week: The water quality in Croatia, well-developed system of water supply and drainage. Preparation of drinking water. The use of water in the chemical and food industry.
3rd week: Physical and chemical properties of water. Indicators of water quality. Technological processes of water treatment. Filtration, membrane processes.
Seminar: Evaluation of water quality in the nature on the basis of chemical composition.
4th week: The application of membrane processes in the industry. Desalination. Adsorption. Adsorbents in water treatment technology.
Seminar: Calculation of capacity of different adsorbents. Ion exchange, the possibilities of performances, calculation of ion exchange capacity.
5th week: Application of ion exchange processes in the preparation of process water. Seminar: Calculation of water hardness on the basis of chemical composition. The written knowledge tests.
6th week: The use of ion exchange in removal of heavy metal ions from water. Seminar: Design of ion exchanger, preparation of seminar works in the working groups.
7th week: Coagulation and Flocculation. Choosing a coagulant in the industry. The carbonate hardness. Water softening. Seminar: The calculation of precipitating agent dose, preparation of seminar works in the working groups.
8th week: Wastewater treatment. Selection methods and pathways for wastewater treatment. Seminar: preparation of seminar works in the working groups.
9th week: Biological treatment of wastewater. Aerobic and anaerobic treatment methods, design of bioreactors. Seminar: preparation of seminar works in the working groups. The written knowledge tests.
10th week: Phosphorus and nitrogen compounds in the treated effluent. Removal of nutrients from the water. Seminar: preparation of seminar works in the working groups.
11th week: Overview of advanced water purification process. Examples of multiple use of water in industry. Seminar: Oral presentation of the seminar works.
12th week: Examples of methods of wastewater treatment industry of alcoholic and non-alcoholic beverages. Seminar: Oral presentation of the seminar works.
13th week: Examples of methods of wastewater treatment industries of dairy products. Seminar: Oral presentation of the seminar works.
14th week: Examples of methods of wastewater treatment industry of meat and associated products. Field work - Visit the plant for the preparation of drinking water.
15th week: Field work - Visit the plant for sewage wastewater treatment. The written knowledge tests.
1st Laboratory exercise: Monitoring the process of adsorption of dissolved organic matter on the activated carbon by batch method using COD. Calculation of main process parameters.
2nd Laboratory exercise: Kinetic monitoring of biochemical degradation of organic matter using BOD. Calculation of the kinetic parameters.
3rd Laboratory exercise: Testing of coagulation and flocculation of colloidal particles dispersed in the aqueous solutions using jar test.
4th Laboratory exercise: Water softening using milk lime.
5th Laboratory exercise: Removal of total hardness of water neutral cation exchanger
6th Laboratory exercise: Removal of Pb2+ using zeolite fixed bed method. Calculation of removal capacities in relation to the operating conditions. |
