A separation system includes an air separator that in one embodiment primarily receives Municipal Solid Waste (MSW) containing relatively light MSW recyclable materials such as paper, cardboard, plastic containers, and/or metal containers. The air separator blows the relatively light MSW recyclable materials...http://www.google.de/patents/US20080105597?utm_source=gb-gplus-sharePatent US20080105597 - AIR SEPARATION OF RECYCLABLE MATERIAL
