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Hansgrohe International

The process: fast, clean, safe.

First, the grey water enters a filter which retains coarser particles such as textile fluff, hairs, etc. The filter is cleaned automatically at regular intervals and the residues are fed into the waste water drain.

Prefiltration

First, the grey water enters a filter which retains coarser particles such as textile fluff, hairs, etc. The filter is cleaned automatically at regular intervals and the residues are fed into the waste water drain.

After pre-filtration, the grey water undergoes a 2-stage biological treatment process. In stage 1, the water is treated under supply of atmospheric oxygen. Micro-organisms adhering to the surface of the carrier material introduced into the tanks of stages 1 and 2 break down the biodegradable content of the water by their metabolic processes. After 3 hours, the water is pumped from stage 1 to stage 2, where it undergoes the same
treatment for a second time.

Biological treatment

After pre-filtration, the grey water undergoes a 2-stage biological treatment process. In stage 1, the water is treated under supply of atmospheric oxygen. Micro-organisms adhering to the surface of the carrier material introduced into the tanks of stages 1 and 2 break down the biodegradable content of the water by their metabolic processes. After 3 hours, the water is pumped from stage 1 to stage 2, where it undergoes the same
treatment for a second time.

During the biological treatment process (stages 1 and 2), surplus biologically active sludge is generated. This is automatically removed at set intervals and fed into the waste water drain.

Sedimentation

During the biological treatment process (stages 1 and 2), surplus biologically active sludge is generated. This is automatically removed at set intervals and fed into the waste water drain.

After the sedimentation stage, the water enters a third stage in which it passes through a UV lamp for sterilisation purposes. The recycled water is now odourless and storable for a long period. It can be reused as high-quality process water according to the hygiene specifications of the EU bathing
water directive (76/160/EEC) and the requirements of the fbr Information Sheet H 201.

UV disinfection

After the sedimentation stage, the water enters a third stage in which it passes through a UV lamp for sterilisation purposes. The recycled water is now odourless and storable for a long period. It can be reused as high-quality process water according to the hygiene specifications of the EU bathing
water directive (76/160/EEC) and the requirements of the fbr Information Sheet H 201.

An automatic drinking water top-up system keeps the consumers supplied in the event of a shortfall in water generation. If too much water is generated, it is fed via an overflow pipe into the waste water drain to prevent an overflow of the system.

The cleaning process is approved by the German TÜV!

Special features

An automatic drinking water top-up system keeps the consumers supplied in the event of a shortfall in water generation. If too much water is generated, it is fed via an overflow pipe into the waste water drain to prevent an overflow of the system.

The cleaning process is approved by the German TÜV!