Compositions created by the separation and isolation of the metallic and non-metallic constituent components of printed wiring assemblies and printed wiring boards

摘要

An apparatus separates a substantially metallic portion from a substantially non-metallic portion or constituent components of at least one electrical product, comprising a plurality of crushing machines, such as a first crushing machine and a second crushing machine and a separating machine. The first crushing machine crushes the at least one electrical product to create at least one crushed electrical product. The first crushing machine has a first screen affixed thereto to regulate a first flow of the at least one first crushed electrical product from the first crushing machine. The second crushing machine crushes the at least one first crushed electrical product to create at least one second crushed electrical product. The second crushing machine has a second screen affixed thereto to regulate a second flow of the at least one second crushed electrical product from the second crushing machine. At least one separating machine receives the at least one second crushed electrical product from the second crushing machine to separate into three general categories: the metallic portion, the non-metallic portion, and a mixed portion having metallic and non-metallic subportions. The mixed portion are directly returned to said second crushing machine to be recrushed and indirectly to at least one separating machine to be reevaluated. A plurality of conveyors may also be used to transport the at least one first crushed electrical product from the first aushing machine to the second crushing machine, the at least one second mushed electrical product from the second crushing machine to the at least one separating machine. A plurality of air separators may be used to remove non-metallic light weight mnaterals from the crushed electronic products and deposit the non-metallic light weight materials in a collection bin.