Water scarcity is a major challenge today. Water reuse helps address this problem, especially in cities with little water. Decentralized systems collect, treat, and reuse wastewater for drinking or other uses. These systems need new solutions because they can be hard to operate and maintain. This thesis focuses on making ultra-filtration (UF) more reliable and easier to care for, even in places with limited resources.
You will work on improving UF systems by balancing strong membrane performance and stable biofilm growth. The project uses a pilot-scale UF system with four membrane units, each run in a different way. The system is automated and has sensors to check water flow, pressure, and quality. You will use different tests to check water quality and study biofilms. The thesis is planned to start in July or August 2026 and lasts at least 4 months.
Your tasks
- Optimize how UF systems are run to keep good water flow and stable biofilm growth
- Work with an existing pilot-scale UF system with four membrane units
- Operate and monitor an automated system with sensors for water flow, pressure, and quality
- Use different tests to check the chemical and microbial quality of water and biofilms
What you bring
- You study environmental, process, or chemical engineering, or a related field
- You know about wastewater treatment and membrane processes
- You are good at analyzing data
- You like working in a lab and using microbiological methods
- You can work on your own
- You can start in July or August 2026 and work for at least 4 months
- If you study outside Europe, you may join if you get the needed permits for Switzerland
What we offer
- Work in a diverse and supportive environment where all can contribute and grow
- Flexible options for workplace, working hours, and job design
- Structures to help balance work and other life needs
- Support for special needs during the application process or the position
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Über uns
Eawag is the Swiss Federal Institute of Aquatic Science and Technology. As part of the ETH Domain, Eawag leads in aquatic research, education, and consulting. The institute focuses on meeting human water needs and protecting aquatic ecosystems. Eawag values diversity, inclusion, and innovation in water science.