Wastewater
Award for the Water Wall
TechTransfer
Eawag
The “Water Wall” developed by Eawag researchers recycles handwashing and toilet flushing water in a closed cycle and can therefore be used in regions with scarce water resources or those without water and wastewater networks. Now the project has been awarded the Mülheim Water Award.
Better understanding of innovation dynamics
Research
Eawag
25 years ago, urine-diverting toilets were no more than an idea, challenging the central paradigm of wastewater treatment plants. Since then, however, modular water technologies have become increasingly important. Using a new method, scientists at Eawag have mapped the dynamics of this transition.
Digital learning formats to plug capacity gaps
Teaching
Eawag
Over the last six years, more than 160,000 people around the world have participated in online courses offered by Eawag, thus acquiring valuable knowledge about, for example, sanitation systems or municipal solid waste management.
Industrial wastewater: even state-of-the-art treatment plants do not eliminate all contaminants
Research
Eawag
Even though industrial wastewater is treated at state-of-the art plants, the sheer variety of synthetic organic compounds from the chemical and pharmaceutical industry which end up in surface waters are seriously underestimated. This is shown by a new study carried out by Eawag and ETH Zurich.
Water treatment plants would be ready for the removal of nanoplastics
Research
Eawag
The biologically active, slow-flow sand filters of lake water treatment would remove nanoplastics from the raw water very efficiently. This was shown both in the laboratory and in larger, realistic tests and modelling.
Urine treatment: from trial and error to exciting innovation
Research
Eawag
What has been a purification process in wastewater treatment plants for decades can also be used decentrally or semi-centrally as a recycling process for nutrients. Early separation of "solid and liquid" plays a key role here. It allows for flexible solutions in terms of process technology, especially in the treatment of urine. New studies also show that the processes can be used not only for human urine, but also for that of cows or pigs.
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