Patent ID: 7097044
Filing Date: 2006-08-29
Classification: B03B,B07B,B29B,B29K,C08J,Y02P,Y02W

Abstract:
1. A method for separating polyester from brittle contaminants comprising: providing a dry mixture comprising polyester and brittle contaminant materials to a cleaning chamber, the cleaning chamber comprising an axle on a longitudinal axis of the cleaning chamber and a plurality of blades emanating from the axle; rotating the axle at a speed of greater than 2000 rpm such that the mixture revolves about the axis; contacting a wall of the cleaning chamber with at least a portion of the brittle contaminant materials as the mixture revolves about the axis of the cleaning chamber, wherein at least a portion of the wall comprises a metal screen; degrading the brittle contaminant materials within the cleaning chamber; and passing at least a portion of the brittle contaminant materials through the metal screen.