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Title Details:
Wastewater Treatment Plants’ Design
Authors: Zafeirakou, Antigoni
Subject: ENGINEERING AND TECHNOLOGY > TECHNOLOGICAL SCIENCES AND ENGINEERING > ENVIRONMENTAL TECHNOLOGY AND ENGINEERING
ENGINEERING AND TECHNOLOGY > TECHNOLOGICAL SCIENCES AND ENGINEERING > ENVIRONMENTAL TECHNOLOGY AND ENGINEERING > ENVIRONMENTAL PROTECTION TECHNOLOGY
ENGINEERING AND TECHNOLOGY > TECHNOLOGICAL SCIENCES AND ENGINEERING > ENVIRONMENTAL TECHNOLOGY AND ENGINEERING > SEWERAGE
ENGINEERING AND TECHNOLOGY > TECHNOLOGICAL SCIENCES AND ENGINEERING > ENVIRONMENTAL TECHNOLOGY AND ENGINEERING > WASTE WATER TREATMENT
ENGINEERING AND TECHNOLOGY > TECHNOLOGICAL SCIENCES AND ENGINEERING > ENVIRONMENTAL TECHNOLOGY AND ENGINEERING > MUNICIPAL SOLID WASTE
Keywords:
Urban wastewater
Urban wastewater treatment
Wastewater treatment plants
Activated sludge
Aerobic treatment units
Biological nutrient removal (BNR)
Sedimentation tanks
Grit Chambers
Sludge treatment
Sludge thickening and dewatering systems
Description:
Abstract:
The management of urban wastewater is determined by Directive 91/271/EEC "on the treatment and disposal of urban wastewater", as amended by Directive 98/15/EU. In Greece, this directive has been incorporated into national law by J.Y.A. 5673/400/1997 (Government Gazette 192B/14-3-1997) entitled "Measures and Conditions for the Treatment of Urban Wastewater". Urban wastewater treatment aims to remove biological pollutants so that the effluents have quality characteristics below permissible limits. Urban wastewater management includes a) the collection of municipal and pretreated industrial wastewater, as well as rainwater, and b) wastewater treatment, with the design and construction of wastewater treatment plants (WWTPs). This book presents the methodology for calculating the flow rates of the sewage network that leads wastewater to the WWTP, and the methodology for dimensioning the tanks of wastewater and sludge treatment. The required wastewater treatment stages, according to current legislation, are screening, grit and grease collection, primary sedimentation, biological treatment (suspended or attached biomass), secondary sedimentation, disinfection and sludge treatment (thickening, digestion, dehydration). The new EU Directive 2024/3019, which will be incorporated into national legislation on 31.07.2027, will impose tertiary and quaternary treatment on large WWTPs to remove micropollutants so that the effluents can be safely reused, mainly in the agricultural sector. The book provides ample photographic material from the annual educational visits to the WWTPs of Greece with students. It is accompanied by 11 examples, with detailed dimensioning instructions; 6 of which have been solved in spreadsheets (Excel). The purpose of this book is to contribute to the understanding and resolution of civil engineering problems in the design, hydraulic calculations and construction of Wastewater Treatment Plants (WWTPs).
Linguistic Editors: Moraitis, Konstantinos
Graphic Editors: Theodoraki, Alexandra
Type: Undergraduate textbook
Creation Date: 06-02-2026
Item Details:
ISBN 978-618-228-353-0
License: Attribution - NonCommercial - ShareAlike 4.0 International (CC BY-NC-SA 4.0)
DOI http://doi.org/10.57713/kallipos-1103
Handle http://hdl.handle.net/11419/15126
Bibliographic Reference: Zafeirakou, A. (2026). Wastewater Treatment Plants’ Design [Undergraduate textbook]. Kallipos, Open Academic Editions. https://doi.org/10.57713/kallipos-1103
Language: Greek
Consists of:
1. Wastewater collection and treatment
2. Screening
3. Grit and grease collection
4. Primary sedimentation
5. Biological wastewater treatment
6. Secondary sedimentation
7. Disinfection of wastewater
8. Sludge treatment engineering
Number of pages 236
Publication Origin: Kallipos, Open Academic Editions
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