| http://www.w3.org/ns/prov#value | - This technical problem is solved by a device for drying pasty or powdery products such as waste and more particularly sludge from wastewater purifying stations, in a chamber receiving the products to be dried, and which is provided with means for turning over and routing said products, this device being characterized in that it comprises a translucent or transparent greenhouse, erected on a slab u
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