Sölden (Austria) Municipal WWTP - Case Study


Courtesy of Aquaconsult Anlagenbau GmbH

Number of tanks: 4
Total Volume: 8,448 m³
Water Depth: 8.0 m
SOTR Standard Oxygen Transfer Rate: 2,800 kgO2/h
Total Airflow: 20,640 Nm3/h
No. of AEROSTRIP® Diffusers: 880

Sölden, one of the famous ski resorts in the world, is situated in the Austrian Alps. A tourist hotspot during the wintertime, but a small mountain village in the off season.

Since 2004 AEROSTRIP® diffusers have been providing the right amount of oxygen all the year round.

Uncommon wide operation range – surpassed guarantee values

Operation range of AEROSTRIP® diffusers is 0 up to 120 Nm³/h per m²diffuser. This extremely high turndown ratio allows for high fluctuations in oxygen demand, as required at this particular installation, to be met.

After the launch of AEROSTRIP® diffusers in 2005, their performance was tested by an independent third party.

Guaranteed figure for Standard Oxygen Transfer Efficiency (SOTE) was 45% at a flux of 40 Nm³/h per m²diffuser.

Tested SOTE proved, that performance of AEROSTRIP® diffusers even exceeded system requirements.

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