WASTEWATER TREATMENT

Course Code: M 311 • Study year: III • Academic Year: 2024-2025
Domain: Environmental Engineering • Field of study: Environmental Engineering
Type of course: Compulsory
Language of instruction: English
Erasmus Language of instruction: English
Name of lecturer: Simona Camelia Varvara
Seminar tutor: Roxana Nadina Bostan
Form of education Full-time
Form of instruction: Class
Number of teaching hours per semester: 56
Number of teaching hours per week: 4
Semester: Summer
Form of receiving a credit for a course: Grade
Number of ECTS credits allocated 4

Course aims:

Developing the ability of the students to capitalize the practical knowledge of chemistry, biotechnology, biology and engineering and to apply them in the technological practice and control.
Acquiring basic knowledge on urban wastewaters and on their treatment procedures
Introducing the best technologies in the implementation of environmental strategies and plans in accordance with the legislation

Course Entry Requirements:

Chemistry, Analytical Chemistry and Instrumental Analysis, Mechanics, Hydraulics

Course contents:

1. Basic concepts on water pollution. The sources of water pollution. 2. Wastewaters. Types of wastewater. Wastewater quality indicators. 3. Basics principles of urban wastewater treatment. Urban wastewater pretreatment methods 4-5. Mechanical sewage treatment. Construction and dimensioning of grills, oil separators and oil separators and primary decanters 6. Biological treatment of waste water. Natural biological processes and installations. 7-8. Biological treatment with active sludge. Construction and sizing of biological sludge treatment plants with active sludge 9. Chemical treatment of wastewater. Neutralization. Precipitation. Coagulation and flocculation 10-11. Advanced sewage treatment. Procedures for advanced wastewater treatment. Removal of nitrogen from wastewater. Purification schemes 12. Advanced wastewater treatment. Procedures for advanced wastewater treatment. Removal of phosphorus from wastewater. Purification schemes 13. Physical and chemical procedures of advanced treatment 14. Basics of industrial water treatment processes. Technological procedures for the treatment of different types of used industrial water.

Teaching methods:

Lecture, conversation, exemplification, practical works/projects

Learning outcomes:

1. Management and resolution of specific environmental issues for sustainable development - Description and application of concepts, theories and practical methods/technologies for determining environmental quality status - Qualitative and quantitative evaluation of natural phenomena and human activities affecting the quality of the environment 2. Introducing the best technologies in the implementation of environmental strategies and plans in accordance with the law - Identification of accurate information about the best technologies available in the field - Identification and implementation of technical solutions to solve problems

Learning outcomes verification and assessment criteria:

A one-hour written examination (60% of the final grade). The examination of the practical abilities acquired during the practical works (40% of the final grade).

Recommended reading:

M. von Sperling,, Basic Principles of Wastewater Treatment, volumes 1-4, IWA Publishing House, London, 2007, -.
D. Fatta-Kassinos, D. D. Dionysiou, K. K├╝mmerer (editors), Advanced Treatment Technologies for Urban Wastewater Reuse (The Handbook of Environmental Chemistry), Springer, 2016, ISBN-13: 978-3319238852, Springer, -, 2016, -.
M. Samer, Biological and Chemical Wastewater Treatment Processes, IntechOpen, -, 2015, 1-50.