2 units of new/demonstration stainless steel dryers with 8 modules for drying sludge (agri-food, biomass, digestates, pollen, etc.). Mod. Physis 848i Used for demonstration purposes only and recently built (2019 and 2022). The technical data sheet is available from the following web page: https://www.kapa-engineering.com/848_data_it.html The machines can be powered by a biomass boiler of our construction which, in turn, can self-feed with the same dry product obtained through drying (if with adequate calorific value) or from other suitable thermal sources.