Patent ID: 8557882
Filing Date: 2013-10-15
Classification: A61L,B01J,B29B,B29K,C08J,Y02W

Abstract:
1. A method for preparing plastics that are contaminated and ground into crystalline flakes, the method comprising at least a decontamination step and a SSP treatment step performed on the crystalline flakes, each step taking place in at least one reactor and the SSP treatment step being adiabatic, wherein the decontamination of the crystalline flakes is carried out in at least one decontamination reactor after the crystalline flakes are introduced into the at least one decontamination reactor and the SSP treatment of the crystalline flakes is carried out in at least one SSP reactor, wherein a SSP process temperature of the crystalline flakes in the SSP reactor is higher than or equal to the decontamination reactor.