the invention relates to a method and to an assembly for recycling plastic materials , comprising the following processing steps : a ) reprocessing the raw material , wherein the material , if necessary , is comminuted and brought into a fluid - like form and heated and permanently mixed , while preserving the lumpiness and pourability thereof , and optionally the viscosity thereof is increased and / or it is degassed , softened , dried and / or crystallized ; b ) melting the reprocessed material , at least so much that filtration is possible ; c ) filtering the melt in order to remove impurities ; d ) homogenizing the filtered melt ; e ) degassing the homogenized melt ; and f ) discharging and / or subsequently processing the melt , such as by granulation , blown film processing , with said processing steps being carried out consecutively in the order listed .