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School of Chemical and Environmental Engineering

Now offering two distinct diplomas: Chemical Engineering and Environmental Engineering

Biological Processes in Wastewater Treatment

1. COURSE INFORMATION:

SchoolChemical  and Environmental Engineering
Course LevelUndergraduate
Course IDENVE 442Semester7th
Course CategoryRequired
Course ModulesInstruction Hours per WeekECTS

Lectures,Tutorials and Laboratory assignments

4
T=3, E=0, L=2/2

5
Course TypeScientific area
Prerequisites 
Instruction/Exam LanguageGreek
The course is offered to Erasmus studentsNo
Course URLhttps//www.eclass.tuc.gr/courses/MHPER232/  (in Greek)

 

2. LEARNING OUTCOMES

Learning Outcomes
 
  • Understanding the general principles on wastewater treatment
  • Understanding the basic characteristics of wastewater 
  • Understanding in-depth techniques for the determination of oxygen demand
  • Understanding the basic wastewater treatment processes
  • Developing conceptual knowledge rather than simple applications of mathematical models
  • Understanding the basic principles of biological wastewater treatment
  • Understanding the principles of microorganisms growth
  • Understanding activated sludge systems
  • Understanding the mechanisms of biological nutrient removal
  • Understanding the basic processes for the disinfection of treated wastewater

Skills

  • Ability to process experimental data
  • Ability to apply fundamental principles in solving wastewater treatment problems
  • Ability to solve practical problems related to wastewater treatment
  • Ability to measure the BOD 
  • Ability to design activated sludge system
  • Ability to design a secondary sedimentation tank
  • Ability to solve practical operational problems in wastewater treatment plants
 
General Competencies/Skills
 
  • Work autonomously
  • Design and Project Management
 

3. COURSE SYLLABUS

 
  1. Quick overview of the basic concepts of aqueous chemistry (concentration units, chemical equilibrium, reaction rate, chemical kinetics, chemical thermodynamics).
  2. Wastewater quality characteristics (Quality of untreated wastewater, Organic chemical characteristics, Theoretical determination of oxygen demand).
  3. Wastewater quality characteristics (Biochemical oxygen demand, BOD measurement methods).
  4. Wastewater treatment processes (Basic processes, Selection of processes, Primary treatment, Sedimentation).
  5. Biological treatment of wastewater (Principles of microbiology, Microorganisms growth).
  6. Biological treatment of wastewater (Activated sludge systems, Ventilation reservoirs, Oxygen mass transfer).
  7. Operational problems, Secondary sedimentation tank design.
  8. Biofilm reactors.
  9. Trickling filters.
  10. Rotating biological contactors.
  11. Biological removal of nutrients (nitrification, denitrification, biological removal of phosphorus).
  12. Disinfection of treated wastewater (disinfectants, chlorination).
  13. Disinfection of treated wastewater (ozonation, UV).
 

4. INSTRUCTION and LEARNING METHODS - ASSESSMENT

Lecture MethodDirect (face to face)

Use of Information and Communication Technology

 
  • Support learning process via the e-class platform
  • Creation and use of mathematical models
 
Instruction OrganisationActivityWorkload per Semester
(hours)
- Lectures39
- Lab work13
- Lab reports20
- Study and analysis of the literature53
Course Total125
Assessment Method

I. Written final examination (90 %).
-Theoretical problems to be solved.

II. Laboratory exercises (10 %).

5. RECOMMENDED READING

 
  • Introduction to water and wastewater treatment, Chrysikopoulos
 

6. INSTRUCTORS

Course Instructor:Professor C. Chrysikopoulos (Faculty -ChEnvEng)
Lectures:Professor C. Chrysikopoulos (Faculty - ChEnvEng)
Tutorial exercises: 
Laboratory Exercises:R. Sarika (LTS - ChEnvEng), Dr A. Malandrakis (LTS - ChEnvEng)