Boon, N., Brown, S., Carballa, M., Forrez, I., Freguia, S., Johansson, P., … Zimmermann, S. (2010). NEPTUNE. New sustainable concepts and processes for optimization and upgrading municipal wastewater and sludge treatment. A specific targeted research project under the thematic priority 'Global change and ecosystems'. Work package 2 · Novel technologies. Deliverable 2.2 · New approaches for a sustainable WWTP design. Eawag.