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Hyperboloid mixers stand out with their excellent durability and energy efficiency
INVENT Umwelt- und Verfahrenstechnik AG

Hyperboloid mixers stand out with their excellent durability and energy efficiency

The joint wastewater association Staufener Bucht, Germany, has placed its trust in the hyperboloid mixing technology of INVENT Umwelt- und Verfahrenstechnik AG.

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The joint wastewater association Staufener Bucht, Germany, has placed its trust in the hyperboloid mixing technology of INVENT Umwelt- und Verfahrenstechnik AG. After 21 years in operation, the association has made the decision to replace the 15 HYPERCLASSIC®-Mixers of the second generation with even more energy efficient mixers of the seventh generation.

A resolution was made in Bad Krozingen in 1967 to clean and treat the wastewater of 24 communities as a joint operation at a central location. This marked the launch of the powerful central wastewater treatment plant (wwtp) named Staufener Bucht. It has been in operation as a community wwtp since 1978. When the population number grew and the load limit was reached, the association expanded the wwtp in 1993. These days, it treats wastewater of a population that has since grown to 114,000, thus it is categorized under size class 5. By aerating and mixing in eight cascades in series, the plant achieves optimal environmental conditions for the activated sludge and the respective process.

Until the mid 1990s, the wastewater treatment focused primarily on carbon decomposition. Due to the Wastewater Ordinance amended at the time, the plant was designed and equipped in accordance with DWA-A 131 for nutrient elimination, in particular nitrogen and phosphorus. As a result of the more stringent requirements, the existing equipment of the wastewater treatment plant was no longer sufficient. For this reason, 15 second generation HYPERCLASSIC®-Mixers of the same design were installed in the anoxic and optionally aerobic basins in 1996.

Read more: https://invent-uv.com/blog/2020/12/06/hyperboloid-mixers-stand-out-with-their-excellent-durability-and-energy-efficiency/

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