An improved method of recovering recyclable materials from commingled recyclables is described as well as apparatuses for doing same. Ferrous materials recovery is achieved using the unique combination of a magnetic belt and a vibratory conveyor. Other materials are then separated with a light/heavy...http://www.google.de/patents/US5588598?utm_source=gb-gplus-sharePatent US5588598 - Commingled recyclables recovery and recycling process and related apparatuses
