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[...]Ruggell, Liechtenstein Due to ever increasing surface sealing high amounts of rain water occur suddenly and flow into the sewer system along with domestic wastewater. As the stormwater amounts which occur are very high therefore, the flow capacity must be regulated by means of stormwater tanks to relieve the sewer system. The municipality Ruggell therefore commissioned the engineering office Wenaweser+Partner Bauingenieure AG in Ruggell (Liechtenstein) to plan the stormwater tank "Kirche". Now as the stormwater tank has been erected the combined water (stormwater and domestic wastewater) [...]

[...]Bayonne, France The water board of the city of Bayonne supplies the drinking water for one third of the population (15,000 persons) from the valleys of Petchonea, Arquetce, Ipharager and Lapeyeren. In 2011, the Bayonne water association decided to refurbish their well shafts for drinking water supply. The refurbishment was necessary as the old bitumen coated manhole covers were leaking. The water board put the refurbishment of about 100 shafts out to tender. The tender specifications were for manhole covers including entrance ladders and installations. The cheapest offer was submitted by the [...]

[...]Bielefeld, Germany Stadtwerke Bielefeld GmbH are a modern multi-utility company. With the city of Bielefeld (50.1%) and Bremer swb AG (49.9%) as partners, their priority is to meet customer and market requirements. With about 1,280 employees and a turnover of 700 million euros a year they are one of the big German municipal suppliers of energy, heat and drinking water. Stadtwerke Bielefeld supply the drinking water for about 320,000 residents and 1,500 industrial companies in the city of Bielefeld itself, plus for about 40,000 people living in the greater Bielefeld area. In 2010, drinking water[...]

[...]Magdeburg, Germany The sewage treatment works Magdeburg/Gerwisch was officially commissioned in 1999 after a construction period of two and a half years. It is designed for 426,000 PE and operates with 90 percentage utilisation. An annual average of 17 million cubic metres of wastewater and stormwater is treated on this sewage treatment plant. All coarse waste material is retained in the three-line and two-line screening plant. When the sewage treatment works was planned 15 years ago for the installation of three fine screens, additional space was already planned for the later installation of [...]

[...]Berching, Germany On the basis of the worldwide known and well-proven system of HUBER ROTAMAT® fine screens with wedge wire screen basket we developed the ultra-fine ROTAMAT® Perforated Plate Screen RPPS with perforated plate. The two-dimensional screen (perforated plate) ensures the reliable removal of hairs and fibres and avoids that: fibres and hairs hinder the stable operation of membrane plants and increase maintenance requirements, these materials tend to entangle on the membranes and lead to reduced membrane plant efficiency these products form tresses in the wastewater treatment plant, [...]

[...]Gessen, Germany When membrane technology solutions appeared on the market for the treatment of municipal wastewater, the requirements on mechanical wastewater treatment systems changed fundamentally. Conventional screens with their bar spacings or perforations of 6 to 10 mm were no longer sufficient for the membrane bioreactors used today. The efficiency of one-dimensional screens such as wedge wire screens, especially the removal of hairs and fibres, turned out to be insufficient to guarantee the safe operation of membrane plants. It became necessary to develop a new type of two-dimensional mesh[...]

[...]Bickenbach and Uhldingen, Germany How can a fourth treatment stage be optimally integrated or retrofitted, taking into account all individual requirements and boundary conditions? This is a question that many municipalities, operators and wastewater associations will soon be asking themselves. In Bickenbach (Hesse) and Uhldingen (Baden-Württemberg), they are already one step ahead. Those responsible there have already taken action and assumed an important pioneering role with the start of large-scale implementation. Bickenbach STP Hesse’s first quaternary treatment stage In Bickenbach, the official[...]

[...]Whether in the development of new machines, the production of a plant or in customer support by service staff: The areas of application of digital twins affect more and more areas in the company itself, but also in its environment. In general, a digital twin is understood to be the virtual representation of a physical object that reflects its properties and behaviour at all times. Even if this provides an initial indication of what a digital twin is, the lack of a uniform definition makes it difficult to imagine what a digital twin looks like, what benefits are associated with it – and why HUBER is[...]

[...]Mannheim, Germany First of three HUBER Belt Dryer BT 22 units in regular operation Back in 2017, HUBER received the order to modernise the sludge drying system of Stadtentwässerung Mannheim on the site of the Mannheim wastewater treatment plant. Three HUBER Belt Dryer BT units of size 22 replace the two older drum dryers. The modernisation of the sewage sludge drying system not only includes the dismantling of the old drum dryers and the construction of the new belt dryers. The entire heating concept was also adapted to the new medium-temperature belt dryers. The objective of Stadtentwässerung[...]

[...]Medellin, Colombia HUBER Belt Dryer BT 30 in Colombia Located in the second largest Colombian city of Medellin, the new Bello wastewater treatment plant (2.75 million population equivalents) with a maximum inflow of 6.5 m³/s went already into operation in mid-2018. For drying the sewage sludge treated in the 6 digesters, the HUBER Schrader-Camargo consortium installed the proven HUBER Belt Dryer BT, thus implementing an international mega project. The contract value for the consortium for the construction of the turnkey drying plant is over 44 million Euros. Every day 310 tons of dewatered [...]