Strass i.Z. - AAA®-settler
Municipal WWTP
250,000 P.E. / Qinlet 30,000 m³/d
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Number of Tanks: 2
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Total Volume: 4,316 m3
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Water Depth: 3.3 m / 2.7 m
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SOTR: max. 330 kgO2/h
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Total Airflow: max. 5,800 Nm3/h
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No. of AEROSTRIP® diffusers: 270
The Strass wastewater treatment plant in the Zillertal valley treats wastewater from the tourist-oriented valleys of Achental, Inntal and Zillertal (AIZ) and has been energy self-sufficient since 2005.
During the process changeover from 2019 to 2021 to the auspicious Triple A process, AEROSTRIP® was an important component on the road to success.
Strass i.Z. - DEMON
Municipal WWTP
250,000 P.E. / Qinlet 30,000 m³/d
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Number of Tanks: 1
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Total Volume: 450 m3
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Water Depth: 3.8 m
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SOTR: 56.3 kgO2/h
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Total Airflow: 701 Nm3/h
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No. of AEROSTRIP® diffusers: 42
The Strass WWTP in the Zillertal valley treats sewage from tourist-oriented valleys of Achental, Inntal and Zillertal (AIZ) and has been operating self-sufficiently in energy since 2005: This year, the DEMON process for treating process water was implemented here for the first time.
Thus, the pioneers from Strass succeeded in taking a significant step: The treatment plant has been producing more energy than it consumes.
Duisburg - Alte Emscher
Municipal WWTP
500,000 P.E. / Qinlet 90,000 m³/d
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Number of Tanks: 3
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Total Volume: 16,404 m3
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Water Depth: 6 m
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SOTR: 2,459 kgO2/h
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Total Airflow: 19,750 Nm3/h
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No. of AEROSTRIP® diffusers: 1,082
The “Alte Emscher” sewage treatment plant was built in 1936 in the Hamborn district of Duisburg and was initially only used for the mechanical cleaning of waste water for 100,000 p.e. It was not until 1988 that the plant newly built and for the first time to include a biological stage.
Today, the sewage treatment plant has a capacity for 500,000 p.e. and cleans both domestic and industrial wastewater.
Linz - Asten
Municipal WWTP
950,000 P.E. / Qinlet 235,000 m³/d
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Number of Tanks: 5
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Total Volume: 92,000 m2
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Water Depth: 7.4 m
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SOTR: 9,740 kgO2/h
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Total Airflow: 73,600 Nm3/h
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No. of AEROSTRIP® diffusers: 3,328
Linz is the capital of Austrian federal state “Upper Austria” and third-largest city of Austria. It operates the second largest municipal WWTP of the country.
In the year 2001 WWTP Linz-Asten has been equipped with AEROSTRIP® fine bubble diffusers. 20 years later the plant was extended: of course again with AEROSTRIP®.
Verona
Municipal WWTP
410,000 P.E.
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Number of Tanks: 2
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Water Depth: 4.0 m
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SOTR: 484 kgO2/h
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Total Airflow: 5,250 Nm3/h
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No. of AEROSTRIP® diffusers: 468
Verona is the capital of the Italian province of the same name in the northeast of the country and is known as the setting for “Romeo and Juliett”. Its historic center along the Adige River has been a UNESCO World Cultural Heritage Site for many years.
Less well known is the fact that the city’s sewage treatment plant has been considered one of the most energy-efficient in Italy since 2006.
Avedøre
Municipal WWTP
270,000 P.E. / Qinlet 75,000 m³/d
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Number of Tanks: 4
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Total Volume: 80,000 m2
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Water Depth: 3.5 m
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SOTR: 4,270 kgO2/h
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Total Airflow: 58,720 Nm3/h
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No. of AEROSTRIP® Diffusers: 1,600
Avedøre is part of the suburbs in the south-west of Denmark’s capital Copenhagen.
The Avedøre WWTP was built on reclamation ground in 1968 and treats sewage water from a catchment area of approx. 86km² resp. 270,000 P.E.
In 2015 the plant switched from surface aerators to high efficient AEROSTRIP® diffusers.
Sölden
Municipal WWTP
90,000 P.E. / Qinlet 3,150 m³/d
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Number of Tanks: 4
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Total Volume: 8,448 m2
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Water Depth: 8 m
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SOTR: 2,800 kgO2/h
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Total Airflow: 20,640 Nm3/h
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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.
Melbourne
Municipal WWTP
700,000 P.E./ Qinlet 140,000 m³/d
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Number of Tanks: 4
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Water Depht: 5.32 m
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SOTR: 7,660 kgO2/h
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Total Airflow: 76,640 Nm3/h
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No. of AEROSTRIP® diffusers: 1,712
Melbourne owes its first sewage treatment plant, dating back to 1897, to the gold fever: Located at the Werribee Farm, the sewage was initially drained on paddocks; ~ 1935 the first lagoons started operation. Today one of the most environmentally friendly sewage treatment plants in Australia can be found at this location: “Western Treatment Plant”, which produces class A recycled water.
Richterswil
Municipal WWTP
22,500 P.E.
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Number of Tanks: 4
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Total Volume: 1,462 m3
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Water Depht: 4 m
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SOTR: 220.1 kgO2/h
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Total Airflow: 2,357 Nm3/h
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No. of AEROSTRIP® diffusers: 208
The municipality of Richterswil is an idyllic location by the south shore of Lake Zurich and counts 13,000 inhabitants.
The local waste water plant had to be restructured after 32 years of operation and has been counting on the AEROSTRIP® aeration system since 2017.
Kirchhoven
Municipal WWTP
50,000 P.E. / Qinlet 10,000 m³/d
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Number of Tanks: 2
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Total Volume: 9,600 m3
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Water Depht: 5.06 m
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SOTR: 1,944 kgO2/h
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Total Airflow: 20,840 Nm3/h
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No. of AEROSTRIP® diffusers: 264
The water federation Eifel- Rur runs the biological wastewater treatment plant Heinsberg-Kirchhoven, which is designed for 50,000 EGW.
In 2020, in the course of a modification, the aeration system was replaced and liftable frames, occupied by AEROSTRIP® strip diffusers, were installed.
Igualada
industrial WWTP
Qinlet 5,500 m³/d
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Number of Tanks: 1
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Total Volume: 11,880 m3
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Water Depht: 6 m
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SOTR: 544.1 kgO2/h
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Total Airflow: 4,730 Nm3/h
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No. of AEROSTRIP® diffusers: 239
The tanneries of Igualada have a long tradition dating back to their foundation in 1693. Since the beginning they have worked religiously to fulfill the latest demands of the market and have become a world wide reference in the tannary sector.
Other than placing importance at their products their aim is also to minimize the environmental effects.
Hermannsburg
municipal WWTP
12,000 P.E. / Qinlet 100 m³/d
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Number of Tanks: 2
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Total Volume: 3,420 m3
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Water Depht: 2.0 m / 2.7 m
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SOTR: 136 kgO2/h
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Total Airflow: 2,168 Nm3/h
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No. of AEROSTRIP® diffusers: 136
Stadtwerke Bergen GmbH operates a biological wastewater treatment plant with two separate aeration basins and an upstream anaerobic/contact basin at it´s Hermannsburg site (municipality of Südheide).
In 2021, the old disc diffusers of the two recirculation basins were replaced, at which a clever variant of the AEROSTRIP® diffusers was chosen.
Sarneraatal
municipal WWTP
Qinlet 14,000 m³/d
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Number of Tanks: 3
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Total Volume: 9,828 m3
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Water Depht: 7 m
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SOTR: max. 370 kgO2/h
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Total Airflow: max. 3,000 Nm3/h
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No. of AEROSTRIP® diffusers: 288
The Sarneraatal WWTP, built in the municipality of Alpnach, was opened in 1978 and treats wastewater from the entire region around lakes Lungern and Sarnen.
When expanding the plant, the operator relied on new technology: Successfully established by WABAG Wassertechnik AG, the first Swiss sewage treatment plant using the innovative Nereda® process has been running in Alpnach since 2019.
