Manheim Car Auction in Atlanta

At the Manheim Car Auction in Atlanta, Georgia, USA a 46,000 gallon (175 cbm) tank captures water from 40,000 square feet (3,720 qm) filtered through a PURAIN DN300 pre-filter. The PURAIN filter is mounted inside the tank  and acts as the tank overflow along with a skimmer pipe. In this way, we have achieved the same internal mounting with a large installation as is done on smaller tanks. The system is used to wash thousands of cars per week as they are prepped to be sold. From the tank, water is pumped at a rate of 60 gpm (225 lpm) through a sediment filter and to the car wash water heater. We forecast a water supply from rainwater of around 1 million gallons (3.8 million litres) per year.

Municipality building in Cape Town, South Africa

In the Manenberg area of Cape Town, the Municipality has built a very eco-friendly suburban contact office at which nearby residents can pay their municipal rates and their electricity and water accounts. The two-story building - which has won numerous awards for eco design, incorporates sandbagged wall construction, solar and wind energy production, as well as rainwater harvesting and black water on-site processing. The rainwater harvested is used to flush the buildings toilets. Previously, problems occurred when contaminants in the rainwater (from the roof) would block the toilet flush valves. Now, to ensure this does not occur, rainwater is filtered through an externally mounted PURAIN 150 filter as it comes off the roof, which ensures contaminants as small as 0.8mm are kept out of the pipework.

Nürburgring

McDonald's Dortmund

Today, McDonald's chain of restaurants are world-wide market leader. Now there are more than 1,361 branches with approx. 60,000 employees. A huge rainwater attentuation as well as an intelligent rainwater harvesting system has been installed at the newly opened branch in Dortmund, Kleyer Weg. The rainwater is purified on a part of the roof area in a 10 m³ - concrete cistern with PURAIN Filter DN150 and stored for flushing the toilets. A double pumping system was required in order to ensure supply. The optimum solution: RAINMASTER Favorite Duplex - two high quality rainwater treatment plants with speed control and Bluetooth control. This means, a significant reduction in power consumption and noise reduction, a significantly higher life span and best operating safety with capacity.

Nürburgring

Nürburgring

Since 2009 there has been an adventure park at Nürburgring which offers its visitors several attractions related to motor sports. The main building is a multifunctional sheltered arena. It can accommodate up to 5,200 seats for conferences, vehicle presentations, exhibitions, concerts and sports events. However, below the arena area, a 250 m³ concrete tank is installed for rainwater collection specifically for the purpose of flushing the building‘s toilets. The PURAIN filter DN400 guarantees high water quality with a maximum filtration efficiency.

Kronthal School

Kronthal School

Kronthal School, in the center of Kronberg, is a primary school with a preparatory class.  It was named after Kronthal, the  recreational area of the city. In the new building at the old site an INTEWA rainwater harvesting system was installed, along with a PURAIN filter DN300, for flushing the toilets and urinals, as well as for the irrigation of gardens on the school grounds. Having access to excellent quality, filtered rainwater saves the school money while teaching children how to save natural resources.

Tengelmann Mühlheim

Tengelmann Mühlheim

Tengelmann in Mülheim an der Ruhr, set up a sustainable and energy saving branch, in a record time of just eight weeks, as a model for possible implementation across their retail network. Here, rainwater is saved and filtered with a PURAIN filter DN200, and used for a special purpose: In summer, rainwater is regularly sprayed on the cooling fins of a CO2 system. In turn, the CO2 system keeps all their freezers cold. A main advantage in using this system – the soft rain water saves on the cost of expensive water softening. 

KVS Koblenz

KVS Koblenz

PURAIN PR 200 Rainwater filter and Rainwater harvesting using INTEWA Double pumping system  

http://www.weisgerber-koblenz.de/

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The possibility to save drinking water has enhanced strongly the last years.

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A rainwater filter cleaning itself by the principle of the hydraulic jump.

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The DRAINMAX tunnel infiltration system: The only plastic trench with flushable  ground.

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The optimized water pump station for rainwater and greywater utilization in every planned construction.

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