Gazebo Treatment and purification equipment

Treatment and purification equipment

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Gatteo, Italy
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Treatment and purification equipment


Treatment and purification equipment

Clarified water leaving the Imhoff tank is treated in the aerobic percolating filter which contains plastic bulk fill material (circular disks with a large surface/volume ratio). The organic substance in the wastewater is further broken down thanks to the aerobic microorganisms which cling to the fill material.

As the clarified wastewater flows over these plastic disks, a slimy organic film develops on their surface consisting of various microorganisms such as bacteria, protozoa and fungi, as well as more complex organisms like metazoa and adsorbed and degraded organic material.

The organic substances are caught in the slimy layer by adsorption and direct assimilation and, in this way, non-biodegradable and inorganic substances can also be trapped.

After exiting the percolating filter, the effluent undergoes the last stage of the treatment, final settlement (e.g. Imhoff tank), to separate the sludge from the clarified water, which flows by gravity down towards the final outlet channel.

Supplied as standard
Gazebo Aerobic Percolating Filters are fitted with:
- PVC inlet and outlet sleeves,
- bulk fill material in black isotactic polypropylene with specific surface area 120m2/m3,
- grille to support the bulk fill material in black isotactic polypropylene,
- PVC distribution box to distribute wastewater to the overflow channels,
- PVC ventilation shaft coupling sleeves,
- if necessary, submersible motor pump for “high discharge” including delivery pipes in AISI 304 steel,
- PVC drum to hold the motor pump.

Further info from manufacturer on Treatment and purification equipment

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