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  5. Drinking Water and Wastewater Systems

Drinking Water and Wastewater Systems

Objectives

Acquisition of knowledge and skills that allow identifying, analyzing, pre-dimensioning and proposing solutions for the treatment of water supply and wastewater, addressing climate change (SDG 6 - Drinking Water and Sanitation).

General knowledge about unit operations and processes that constitute the conventional lines of water treatment for supply, their sequence and variations depending on different qualities of origin. Notions of wastewater drainage collectors and rainwater drainage, competence to evaluate the general design of wastewater treatment systems, with basic skills of pre-dimensioning of preliminary, primary and secondary treatment, and operations of solid phase treatment.

The student should acquire an integrated vision of the urban water cycle, from the perspective of resource recovery and water reuse. The energy efficiency aspects of these facilities will also be addressed.

General characterization

Code

12664

Credits

6.0

Responsible teacher

Leonor Miranda Monteiro do Amaral, Maria Gabriela Lourenço da Silva Féria de Almeida

Hours

Weekly - 4

Total - 43

Teaching language

Português

Prerequisites

Available soon

Bibliography

Gray, N. F. (2008). Drinking Water Quality: Problems and Solutions. Cambridge University Press

Metcalf & Eddy, Tchobanoglous, G., Stensel, H.D., Tsuchihashi, R. and Burton, F.L. (2013): Wastewater engineering: treatment and resource recovery. 5th. Volume 1 & 2. New York, McGraw-Hill.

Parsons, S. A., & Jefferson, B. (2006). Introduction to potable water treatment processes. Blackwell Pub.

Qasim, Syed R.; Zhu, Guang (2017) Wastewater Treatment and Reuse, Theory and Design Examples, Volume 1: Principles and Basic Treatment, CRC Press 

Spellman, Frank R. (2013) Handbook of Water and Wastewater Treatment Plant Operations, 3rd Edition, CRC Press 

Spellman, Frank R. (2018) Water & Wastewater Infrastructure: Energy Efficiency and Sustainability, 1st Edition, CRC Press

Naushad, Mu. (2018) Life Cycle Assessment of Wastewater Treatment, 1st Edition, CRC Press 

Teaching method

The subjects (available on their own website) are presented in the theoretical-practical classes, with exposition of material and practical examples of application. In practical classes, problems / challenges will be placed, which will be resolved in groups, stimulating research, discussion and presentation of proposals to be discussed in class, and creating opportunities for the development of moments of oral presentation by students.

This teaching methodology provides the opportunity to develop and exercise critical sense in relation to the results obtained by applying the concepts, questioning the physical meaning of the variables, creating the opportunity for critical thinking associated with result simulation games.

Evaluation method

The UC will be divided into two components - (1) Water Supply and Treatment and (2) Wastewater Drainage and Treatment.

 
Regarding (1) students will be grouped into sets of 2/3 people/group, with a case study being assigned per group.
Weekly, they will make an oral presentation of the topic addressed in the TP class of the previous week applied to their case, based on the content available on the UC website and the bibliographic research that students should do.
Each presentation, discussion and level of preparation of the topic is valued at 10%, out of a total of 60% of the evaluation of (1).
At the end of this component there will be a final presentation and discussion that will include the entire water supply and treatment system. This final presentation will be valued at 20% of the evaluation of (1). The remaining 20% will be attributed to participation in classes.

(2) Wastewater Drainage and Treatment:

2 Mini test(60%);

Participation in classes (10%) and

Final group work presentation and oral evaluation (30%)

 

Subject matter

Supply water: origins of water, quality and treatment lines according to origin and characteristics. Adduction and elevation; screening; pH correction and stabilization; coagulation/flocculation; conventional and accelerated settling; fast and slow filtration; pre-oxidation and final disinfection, where the issues of chemical reagents and possible toxicity versus radiation solutions or advanced solutions will be approach. Energy efficiency in DWTP.

Urban wastewater: Drainage systems; typologies and characterization; treatment systems. Design of wastewater treatment systems; pre-dimensioning of preliminary, primary and secondary treatment operations. Activated sludge, trickling filters and lagoons. Solid phase (thickening, anaerobic digestion, dehydration) Energy efficiency in WWTP; reuse. Challenges: rehabilitation of facilities; climate change; emerging compounds; microplastics and nanoparticles.