Valli Natural Zeolite is of volcanic origin, with a high cation exchange and water absorption capacity.

Valli Natural Zeolite has a chabazite concentration over 65% and is used for the treatment of civil wastewaters, both individual and collective, rainwater, industrial waste, for the purification of sewage and rivers, brackish waters, to eliminate bad smells, and to stop the toxicity of modern pollution.

Valli Natural Zeolite can absorb nitrogen in the form of NH4+, heavy metals (lead, bay and zinc), radioactive ions, hydrocarbons, MtBE and dioxin. Valli Natural Zeolite is available in the following grain sizes: 0.7/2 mm and 2/5 mm. Without moisture at the outlet of the furnace, it can reabsorb from 6% to 9% of the ambient air water.