Donau Chemie Group Blog
Information, insights, and specialist topics from our company.
August 13, 2026
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Water Technology
Water Technology
Flagship project in Upper Austria: Ecological reed bed sludge treatment at the Polling wastewater treatment plant
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Rudolf Bauer
Sales & Consulting
In Polling, sewage sludge is naturally dewatered and treated using reed beds. This reduces the sludge volume by up to 98 percent.