Patent ID: 7696255
Filing Date: 2010-04-13
Classification: C08J,Y02W

Abstract:
1. A process for recycling soluble or dispersible plastics from a waste product containing plastics comprising: i) treating a plastics-containing waste product with an organic solvent to separate the plastics from the waste product as a plastics solution; ii) concentrating said plastics solution to obtain a concentrated plastics solution containing more than 40 wt % of plastics; iii) preconditioning said concentrated plastics solution to a pressure of at least 2 bar using a first pump ( iv) bringing the preconditioned concentrated plastics solution above the critical point of the plastics solution using a high-pressure pump ( v) spraying the concentrated plastics solution above the critical point into a plastics recovery unit ( vi) transferring the evaporated organic solvent to a condensing unit (