Method for processing Tetra-pak containers wastes for manufacturing plastic pieces

摘要

Starting from some tetra-pak containers wastes with an approximate composition of 4% cellulose, 78% low density polyethylene and 18% aluminium. It is characterized in that it comprises several steps wherein the wastes are washed and then they are cut up until achieving a very small size with the added incorporation of additive components. In a final step the obtained mixture is subjected to an injection/compression process for obtaining the plastic pieces.