Start of CO2 Storage Facility in Vienna

The Swiss building materials group Holcim has put into operation the first CO2 storage facility in Austria, developed by the start-up neustark, at the Vienna concrete plant Alberner Hafen. This allows CO2 to be permanently stored in the concrete mixing water. The CO2 is captured at the biogas plant of EVM Energieversorgung Margarethen am Moos. The facility installed at Holcim achieves an annual capacity of 142 tons of CO2.

Commissioning of CO2 Storage Facility in Vienna Completed

During the carbonation process, mixing or wash water from the concrete mixers is brought into contact with biogenic CO2 at the facility. The CO2 reacts with the cement phases in the water and becomes limestone. The mixing water neutralized by the process can then be reused. The quality of the concrete is not altered by this procedure.

(APA/Red)

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