The problems related to the treatment of a winery sewage derive from the fact that the activity of these structures is concentrated in a few months a year. This causes a significant variation of the discharge in time, both in terms of hydraulic flow and of organic load whose concentration in peak periods may be even 10 times higher than a domestic sewage.

For this reason the tecnique of constructed wetlands appears to be the most suitable method of treatment because, unlike all the other wastewater treatment plants, reed beds are not affected neither by changes of flow rate nor by those of organic load. This means that plants and microorganisms responsible for the reduction of pollutants remain active during all the year, even total absence of load.

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plant with two basins operating in series

plant with three basins operating in series (before planting)

The purified water can be discharged into the ground, in a water course, into a ditch or reused for irrigation.
The plant can be walked on, without surfacing water and can be placed very close to the winery because there are no problems of odors and insects.

It does not produce sludge

Reed beds for wineries
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