Concrete with a high resistance to acids

Dyckerhoff AG, 65203 Wiesbaden, Germany

Experience shows that the requirements for the durability of wastewater systems are fulfilled by the use of normal concrete only if they carry normal municipal wastewater. However, if the wastewater contains media that attack concrete in higher concentrations, or if operationallyrelated biogenic sulphuric acid forms in the sewer atmosphere, signs of severe corrosion often appear after just a few years of operation. This can result in considerable limitations in the serviceability and stability of the wastewater system. Nevertheless, in comparison with other building materials used in wastewater technology, concrete exhibits decisive technical and economic advantages, so that network operators in wastewater areas with a particularly high potential of attack demand concretes with a high resistance to acids.

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Dyckerhoff AG Biebricher Straße 69, 65203 Wiesbaden, Germany T +49 611 6760, F+ 49 611 6761040 www.dyckerhoff.de info@dyckerhoff.com