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[...]Schwabach, Koblenz, Frankfurt Niederrad For almost 20 years already, HUBER SE has provided successful solutions for the treatment of road sweepings, sewer grit and grit from sewage treatment plants. With more than 170 projects executed worldwide HUBER has gained extensive experience in the treatment of STP grit, sewer grit and road sweepings. Our solutions have continuously been further developed in the course of the past years. The major challenge has been and still is the different composition of the raw material which can have a massive impact on downstream grit treatment systems. The result[...]

[...]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 [...]

[...]Rehau, Germany HUBER Longitudinal Grit Trap ROTAMAT® Ro6 Bio and HUBER Grit Washer RoSF G4E increase operating reliability and reduce operating costs Bioenergiezentrum Hochfranken (BEZ) is an association of the town Rehau, the administrative districts Hof and Wunsiedel and some local companies supplying the town and districts with regenerative energy. Beside different plants from the companies involved, the biowaste fermentation plant is at the heart of the new concept. The fermentation plant treats the biowaste of the munipalities involved, covering nearly 40% of the local primary energy demand. [...]

[...]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[...]

[...]Hämeenlinna, Finland Maintenance costs caused by wear often impair the economic efficiency of centrifuges. Screw presses offer clear advantages in terms of costs and availability. But the operators of screw presses additionally benefit from other advantages. Decanter centrifuges are one of the most frequently used systems for sewage sludge dewatering. Their well known advantages, such as high dewatering degrees even with high throughputs, are due to the effect of the separation of heavy solids and the lighter water phase in the centrifugal environment with the three thousandfold of the [...]

[...]Basel, Switzerland Wastewater as a heat source for heat pump systems represents a highly efficient energy source and energy sink. Its use is however often limited to big sewer diameters and high flow rates. This article presents an alternative to the use of heat from sewer wastewater: the use of the exhaust heat of locally generated wastewater as a regenerative and sustainable energy source for the production of service water and heating buildings, like in the example of the old-age home Hofmatt in Switzerland that is described below. Introduction Due to the ever improving quality of building [...]

[...]Beijing, China 1. General During the past 20 years China has significantly stepped up its efforts to improve wastewater treatment. Already 3,243 sewage treatment plants were built until June 2012. These state-of-the-art plants clarify an average daily amount of 130 million m³ wastewater. Frequently, however, problems occur especially with sludge digestion due to sediments which hinder optimal digestion and cause wear on the sludge dewatering systems. The problems are caused by the numerous building projects going on in China's cities. A lot of debris, grit and silt, i.e. a lot of inorganic material[...]

[...]Ortenburg, Germany In their meeting of 21 October 2010 the market town council of Ortenburg decided in favour of the concept submitted by the engineering office Richter from Passau. In September 2013, after almost three years of planning and construction, the market town council Ortenburg put the new sewage treatment plant in Blindham into operation within an official ceremony. The new sewage treatment works is designed for 11,000 PE and provides state-of-the-art wastewater treatment. The treated effluent is discharged to the river Wolfach. The HUBER ROTAMAT® Complete Plant, type Ro5 HD with[...]

[...]Berching, Germany Environmental disasters, such as the oil disaster in the Gulf of Mexico, the global economic crisis and ever decreasing resources remind us that we urgently need a safe, eco-friendly and financially attractive energy source. Right below the ground, in sewers, is an unnoticed hidden source of energy that fulfils all these criteria: municipal wastewater. The HUBER Heat Exchanger RoWin has been developed especially for this application. Heat pumps use environmental energy sources, normally groundwater or air. But both elements have the disadvantage that their energy level [...]

[...]Winterthur, Switzerland With each of the following projects our customers substantially contribute to achieving CO 2 reduction goals. Utilisation of heat from wastewater for the Wintower high-rise building at Winterthur 22.000 m² is about the size of three football fields but is also the floor space of the 28 storeys of the Wintower in Winterthur, Switzerland. It is a real heating technology challenge to cool such a building in summer (= additional benefit) and heat it in cold winter months. About 600 kW heating energy is needed in winter. The HUBER ThermWin® system was installed and [...]