Patent ID: 6216967
Filing Date: 2001-04-17
Classification: B29B,B29K,B29L,Y02W

Abstract:
Process for the treatment of waste matter which contains components which are at least partially reusable, which components comprise mainly metals, plastics materials and board, which process comprises(1) agitating the waste matter to be treated in water in a container containing an agitator, with the application of mechanical force, whereby parts of the components comprising mainly plastics material, are coarsely reduced in size, and components, comprising mainly cardboard and paper board, form a suspension in the water, wherein the suspension contains fine solids and coarse solid matter of said components comprising mainly plastics material, cardboard and paper board,(2) mechanically separating metal components, as heavy matter, and remaining solids, from the suspension,(3) withdrawing the suspension containing said components comprising mainly plastics material, cardboard and paper board from said container,(4) separating the suspended fine solids from the suspension by draining, and(5) separating the coarse solid matter from the suspension.