Referenzart: Discharge control

City of Wädenswil (CH)

10 years operation of the pneumatic outflow control

In 2010, four stormwater tanks in Wädenswilon Lake Zurich were equipped with MID-controlled PNA pneumatic discharge controls. This system was chosen at that time because it could be easily retrofitted in the old tanks, requires little space and allows the throttle volume to be changed at any time. In addition, a complete throttle shaft from STEBATEC was installed in the rainwater reservoir Schlossgasse, which has an untypical geometry due to its location between the railway track and the rainwater reservoir.
Operating cost divider according to stationarily measured external water quantities.

ARA Radet

An association of twelve municipalities in Wallis was looking for a just cost allocation solution to account for the high foreign water content in the waste water entering the treatment plant. The measuring system installed now records the different outflows and thereby rewards those municipalities that already have installed a separation system.
Complete renovation of the exterior structures as general contractor

ARA Winznau; from flow measurement to dynamic sewer network control

STEBATEC equipped the entire sewer network with PNA dynamic flow controllers and flow measurements, which were integrated into the ARAbella process control system via STEBAnet and connected to the INKA sewer network regulation system. Since 2016, the entire ZAO sewer network has been dynamically regulated.
Precision measurement & control technology for the Reutlingen municipal drainage system

Combination of transit time difference measurement (LDM) & pneumatic discharge control (PNA) for automated regulation of stormwater overflow basins

True to its motto “Only the best for water”, Stadtentwässerung Reutlingen (SER) strives to operate its facilities using the latest technology in a sustainable, environmentally friendly and economical manner. For this reason, a new flow measurement system has now been installed at the rainwater overflow basin at Willy-Brandt-Platz, which ensures greater measurement and control accuracy.
Verbandskanäle Abwasser Region VKA Nidau/Biel

Completely web-based process control

For 15 years, VKA and STEBATEC, the German Association for Sewerage and Wastewater Treatment, have been working together successfully. The latest milestone is the introduction of ARAbella ONLINE: With the web-based process control system, processes can be controlled online via remote access. A management of the waste water quantities becomes possible.
Lamella separator Kalkofen
Wastewater association Stockacher Aach, mixed wastewater treatment Hohenfels

Conversion of the Kalkofen DE wastewater treatment plant into a mixed wastewater treatment plant with lamella separator

STEBATEC as general equipment supplier; The Kalkofen wastewater treatment plant was converted into a mixed wastewater treatment plant. The volume of the clarifiers converted to mixed wastewater treatment was too small to achieve the necessary separation efficiency. Instead of building additional volume, the cleaning performance is achieved with lamella separators used.
Langenburg Success Story

Defined outflow value Langenburg

The Oberregenbach sewage treatment plant of the town of Langenburg (D) is located between Stuttgart and Nürnburg and treats the waste wa-ter of about 1,800 inhabitants. Located on the foot of a slope, the water from the storm-water basin runs down a steep canal. Before the STE-BATEC drain controller was installed, the waste water was slowed down by a mechanical scale throttle before it entered the sewage treatment plant.
ARA Region Oberes Simmental

Dynamic outflow for controlled inflow ARA Zweisimmen

The Region Oberes Simmental sewage treatment plant treats sewage of the municipalities of Lenkand Zweisimmen. The largest inflow passes through the Galgenbühl storm overflow basin, other inflows originate in the area of Mannried and the Grubenwald pumping station. During rainy spells the inflow from Mannried often causes overload conditions in the sewage treatment plant.
Reinhalteverband Mühltal & Region Böhmerwald, A-Auberg

Dynamic sewer system control significantly reduces discharge quantities

The Reinhalteverband Mühltal & Region Böhmerwald in Upper Austria consists of 24 municipalities, looks after around 1.000 km of sewer, 18.000 sewer shafts, 300 pumping stations, 60 storm waterbasins and 6 sewage treatment plants. Despite its size, however, the drainage system reached its limits. The individually operated storm waterbasins, for example, relieved the load rigidly into the recipient in the event of overload.
Electromechanical equipment for the Ipsach rainwater basin

General repairs to the rainwater basin in Ipsach

The Association for Sewers and Waste Water (VKA) in Nidau is responsible for the waste water treatment plants from Port to Moeringen on the southern banks of Lake Bielersee. The Association manages several rainwater basins and pumping station. The Ipsach rainwater basin was built in the early 1990s. The unique feature is that this is a rainwater basin in a connected system.

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