Donau Chemie AG
About
Donau Chemie AG, operating its Water Technology division through the DC Watertech brand, develops, manufactures, and supplies chemical solutions for water treatment from two independent production sites in Austria and Hungary. The company's product portfolio is anchored by iron chloride-based and polyaluminum chloride-based coagulants and flocculants serving municipal and industrial wastewater treatment, drinking water purification, and swimming pool water management. The flagship product, DONAU PAC AQUACLEAR, is an all-in-one solution for the 4th purification stage that achieves simultaneous micropollutant removal (pharmaceuticals, cosmetics, pesticides) and chemical phosphate precipitation without requiring additional structural installations, validated by the Vienna University of Technology and in use since 2021. Other key product families include Donau Klar (iron-based FeCl3 coagulant for phosphate precipitation, turbidity removal, and H2S reduction), Donau PAC (polyaluminum chloride coagulants in variants including Venezia, calzifloc, LOTUS, and activis for drinking water and industrial wastewater applications), Donau Acquabella (iron-aluminum blends with additives for combined phosphate elimination and odor control), Donau Bellamethan (H2S removal for biogas desulfurization), Donau Bellair (selective sulfur fixation for sewer odor control), Donau Multifloc (organic polymer flocculants for sludge dewatering), and Donau Evolution (long shelf-life blended iron and aluminum solutions). All products meet EN 888 standards for drinking water treatment chemicals.
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