This sub-line has a dual purpose: to eliminate waste and to provide nutrients or conditioner to soils in replacement of chemical fertilisers which can potentially cause water eutrophication. It will be an essential precondition to control possible pollutants associated to this by-products or wastes.
The groups BV1, BEV1, EQ11 and GI-2058 have been working in this field for a while and developing projects in this direction, for example, in the use of molluscs’ shells or winemaking bentonites.

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