We are hiring | see open positions
We make water clean.
Regardless of whether we’re talking about drinking water preparation, wastewater treatment or chemicals for swimming pools, clean water is hugely important in all of these areas. The Water Technology Division at Donau Chemie ensures that people can use live-giving water as well as possible – in a clean and environmentally friendly way.
:quality(100))
FOR A BRIGHT TOMORROW
Welcome to the future of wastewater treatment!
The fourth stage of wastewater treatment with just one product: DONAU PAC® AQUACLEAR combines micropollutant removal and phosphate precipitation in a cost-effective, efficient solution for clean water—without any additional equipment or modifications. Discover smart technology for maximum effectiveness, safe application, and quickly achievable water quality with a future.
Powerful products for clean processes
Our portfolio
:quality(100))
Water Treatment
A new approach to water treatment. With smart technologies and efficient solutions, we ensure that water is not only clean, but also treated sustainably—for the environment, industry, and everyday life.
Industrial Applications
In industriellen Prozessen sind ein stabiler Betrieb und eine zuverlässige Wasseraufbereitung von entscheidender Bedeutung. Donau Chemie bietet maßgeschneiderte Lösungen für Anwendungen wie die Papier- und Zellstoffherstellung sowie Flotationsprozesse.
:quality(100))
:quality(100))
Quaternary Treatment
With our innovative products, we make a significant contribution to clean water and a healthy environment. Donau PAC Aquaclear: the cost-effective solution for trace contaminant removal and phosphate precipitation.
Service & Application Technology
In addition to highly effective products, we also offer comprehensive service solutions for all aspects of application—from consultation to optimal on-site implementation.
:quality(100))
:quality(100))
Biogas
Energy generation from organic waste and renewable raw materials is gaining importance. Our product range increases yield and protects your facilities.
Feel free to drop us a line here
Recent Blog Articles
Discover the latest posts on our blog – up-to-date, relevant, and to the point.
:quality(100))
Odour-Neutral Zone – thanks to H₂S control with Donau Bellair green
June 23, 2026Learn how Donau Bellair green reduces H₂S, prevents sewer odours and corrosion, and ensures reliable wastewater transport. Read the success story.
:quality(100))
Used activated carbon return with analysis – safety and transparency in recycling
March 10, 2026The analysis of used activated carbon ensures safety, transparency, and sustainable recycling.
:quality(100))
Hohenems Region Wastewater Treatment Plant: Modern technology and sustainable wastewater treatment
February 12, 2026ARA Region Hohenems focuses on modern processes, energy generation, and sustainable wastewater treatment. Read more about technology and solutions on our blog.
Subscribe to blog
Stay up to date and subscribe to our blog. You will receive an e-mail notification as soon as new blog articles are added.