Scientific and Technical Report No. 21

Uncertainty in Wastewater Treatment Design and Operation aims to facilitate the transition of the wastewater...

Scientific and Technical Report No. 26

The Use of Water Quality and Process Models for Minimizing Wastewater Utility Greenhouse Gas Footprints provides  an...

The book provides a scientific approach into appraising Intermittent Water Supply (IWS) on a global scale through the analysis of available information and data based on a structured methodology...

Scientific and Technical Report No. 24

Performance-Based Contracts (PBC) for Improving Utilities Efficiency: Experiences and Perspectives is a...

Wastewater treatment plants are large non-linear systems subject to large perturbations in wastewater flow rate, load and composition. Nevertheless these plants have to be operated continuously,...

Mathematical modelling of activated sludge systems is used widely for plant design, optimisation, training, controller design and research. The quality of simulation studies varies depending on...

 

Water Reuse: An International Survey of current practice, issues and needs examines water reuse practices around the world from different perspectives. The objective is...

Over 90% of bacterial biomass exists in the form of biofilms. The ability of bacteria to attach to surfaces and to form biofilms often is an important competitive advantage for them over bacteria...

The Activated Sludge (AS) Process is old technology but is still widely adopted worldwide for its convenience and simplicity: an impressive number (many hundred of thousands) of this kind of...

The sequencing batch reactor (SBR) is perhaps the most promising and viable of the proposed activated sludge modifications today for the removal of organic carbon and nutrients. In a relatively...

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