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Obnovit | RAW
Data for 2018/2019

Biological Waste Water Treatment

Credits 6
Hours per week 3 / 1 / 0
Examination Ex
Study Language English
Level Master subject
Guarantor prof. Ing. Jiří Wanner, DrSc.


The course starts with the description of the Czech and EU legislation for wastewater discharge. The main water and sludge line of a municipal wastewater treatment plant is described and individual operations described in detail. The course is focused on biological wastewater treatment by means of activated sludge process. The biochemical and microbial principles of activated sludge process are explained together with principles of kinetic and metabolic selection and activated sludge population dynamics. The lectures are aimed at all practical aspects of activated sludge process like oxygen transfer, aeration and mixing, flocculation and control of activated sludge settling properties, separation of activated sludge in secondary clarifiers or by means of membranes. The use of fixed-film reactor, especially for smaller communities, is described together with construction and design principles of trickling filters, rotating biological contactors and systems combining activated sludge with fixed-film. The course if finished by the description of processes covered by the term of tertiary treatment and the conditions for and possibilities of treated wastewater reuse are explained and illustrated.


1) Composition of municipal wastewater, Czech and EU legislation for wastewater discharge
2) Composition of the technologicla water and sludge line in municipal wastewater treatment plants
3) Wastewater pumping, screening or disintegration, grit chambers, sand and fat removal
4) Principles of gravity sedimentation, construction of primary settling tanks, chemically enhanced sedimentation
5) Biochemical principles of organic carbon removal, nitrification, denitrification and of enhanced biological phosphorus removal; microbial composition of activated sludge and biofilms
6) Kinetics of microorganism growth and substrate removal, microbial growth strategies, kinetic selection based on unbalanced growth, metabolic selection, population dynamics of activated sludge
7) Activated sludge process: principles of biomass flocculation, types of reactors according to flow and hydfraulic regime and construction materials
8) Activated sludge proces: oxygen transfer, volumetric coefficient of oxygen transfer KLa, oxygenation capacity, factors affecting oxygenation capacity, specific energy consumption
9) Activated sludge proces: diffused air aeration systems, mechanical aeration systems, combined sytems, mixing of aeration tanks, construction principles and materials used
10) Activated sludge process: biological nutrient removal, nitrification and denitrification systems, systems for biological phosphorus removal, chemical precipitation of phosphates
11) Activated sludge process: sedimentation, activated sludge separation problems, secondary clarifiers and membfrane separation of activated sludge
12) Fixed film processes: biofilm properties, trickling filters, biofilm carriers, construction and design principles
13) Rotating biofilm reactors, reactors combining suspended and fixed-film biomass
14) Operations and reactors of tertiary treatment, reuse of treated wastewater



UCT Prague
Technická 5
166 28 Prague 6 – Dejvice
IČO: 60461373
VAT: CZ60461373

Czech Post certified digital mail code: sp4j9ch

Copyright: UCT Prague 2017
Information provided by the Department of International Relations and the Department of R&D; technical support by the computing centre.
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