Water Science & Technology Special Issue on

Design, Operation and Economics of Large Wastewater Treatment Plants

IWA Specialist Group on Design, Operation and Costs of Large Wastewater Treatment Plants, is pleased to announce this Special Issue with WST, which aims to find proper solutions for problems related to design, operation and economics of large wastewater treatment plants (LWWTP). This Special Issue also celebrates the 50th Anniversary of the LWWTP Conference, which was first held in Vienna in 1971.

At the beginning of the 20th century less than 15% of the total population of the world lived in towns, with future projections that by 2050 two thirds of the entire population will be living in the urban areas. Therefore, wastewater treatment in large treatment plants is an inseparable part of water management in cities of the future. The operation of LWWTPs is considered a valuable source of making wastewater available for other purposes, including water, energy, and nutrients.

Editorial: Design, operation and economics of large wastewater treatment plants

Jörg Krampe, Norbert Jardin, Vanessa Parravicini, Jiri Wanner, Miklos Patziger

Water Science and Technology (2021) 84 (2): iii–iv.

DOI: https://doi.org/10.2166/wst.2021.256

Evaluating financial sustainability along the sanitation value chain using a financial flow simulator (eSOSView™)

Claire Furlong, Shirish Singh, Nitesh Shrestha , Mingma Gyalzen Sherpa , Christoph Lüthi, Fiona Zakaria Damir Brdjanovic

Water Science and Technology (1 December 2020) 82 (11): 2220–2233.

DOI: https://doi.org/10.2166/wst.2020.456

Commissioning of the new water line of the Central wastewater treatment plant in Prague and its impact on the operation of the existing water line

J. Wanner, J. Rosický , J. Kovařík , M. Srb , M. Lánský, P. Sýkora

Water Science and Technology (15 July 2021) 84 (2): 293–301.

DOI: https://doi.org/10.2166/wst.2020.575

A module-based approach for elimination of organic micropollutants at wastewater treatment plants

Burkhard Teichgräber, Peter Jagemann, Martin Hetschel , Antje Bechtel , Linh-Con Phan

Water Science and Technology (15 July 2021) 84 (2): 364–373.

DOI: https://doi.org/10.2166/wst.2021.029

Model-based identification and testing of appropriate strategies to minimize N₂O emissions from biofilm deammonification

A. Freyschmidt, M. Beier

Water Science and Technology (1 October 2022) 86 (7): 1810–1820.

DOI: https://doi.org/10.2166/wst.2022.307

Inducing granulation within a full-scale activated sludge system to improve settling

Isaac Avila, Dan Freedman,Joel Johnston, Blair Wisdom, James McQuarrie

Water Science and Technology (15 July 2021) 84 (2): 302–313.

DOI: https://doi.org/10.2166/wst.2021.006

Determination of large microplastics: wet-sieving of dewatered digested sludge, co-substrates, and compost

Larissa Schwinghammer, Steffen Krause,Christian Schaum

Water Science and Technology (15 July 2021) 84 (2): 384–392.

DOI: https://doi.org/10.2166/wst.2020.582

Effect of sewage sampling frequency on determination of design parameters for municipal wastewater treatment plants

T. Gehring, E. Deineko,I. Hobus, G. Kolisch, M. Lübken, M. Wichern

Water Science and Technology (15 July 2021) 84 (2): 284–292.

DOI: https://doi.org/10.2166/wst.2020.588

Influence of road salt thawing peaks on the inflow composition and activated sludge properties in municipal wastewater treatment

J. Tauber, B. Flesch,V. Parravicini, K. Svardal, J. Krampe

Water Science and Technology (15 July 2021) 84 (2): 314–322.

DOI: https://doi.org/10.2166/wst.2021.045

Improving wastewater treatment plant performance by applying CFD models for design and operation: selected case studies

M. Patziger

Water Science and Technology (15 July 2021) 84 (2): 323–332.

DOI: https://doi.org/10.2166/wst.2021.019

Degradation of micropollutant cephalexin by ultraviolet (UV) and assessment of residual antimicrobial activity of transformation products

Sabrina Grando Cordeiro, Rafaela Ziem ,Ytan Andreine Schweizer, Bruna Costa, Daniel Kuhn, Peterson Haas,Ani Caroline Weber, Daiane Heidrich, Eduardo Miranda Ethur,Clarice Steffens, Lucélia Hoehne

Water Science and Technology (15 July 2021) 84 (2): 374–383.

DOI: https://doi.org/10.2166/wst.2021.170

Use of three-dimensional computational fluid dynamics model for a new configuration of circular primary settling tank

A. G. Griborio , J. A. Rodríguez ,L. Enriquez, J. A. McCorquodale

Water Science and Technology (15 July 2021) 84 (2): 333–348.

DOI: https://doi.org/10.2166/wst.2021.110

The development in biological wastewater treatment over the last 50 years

Jiří Wanner

Water Science and Technology (15 July 2021) 84 (2): 274–283.

DOI: https://doi.org/10.2166/wst.2021.095

50 years of design and operation of large wastewater treatment plant conferences. A history of innovation and development

H. Kroiss , N. Matsché ,J. Krampe

Water Science and Technology (15 July 2021) 84 (2): 263–273.

DOI: https://doi.org/10.2166/wst.2021.228