WERKWIJZE VOOR HET VERWERKEN VAN KUNSTSTOFFRAKTIES UIT HUISVUIL.

摘要

Method of processing a plastics fraction from household waste consists of first treating the fraction with steam and/or boiling water below the softening point of the plastics and then further melting and processing it in the absence of steam. The steam treatment is pref. carried out at 330-390 (360-385) K. The plastics may be previously granulated to a max. particle size of 50 mm. After melting, it may be extruded and granulated. Prodn. of unpleasant odours is considerably reduced. Tendency of the plastics to clog up the appts. is also reduced.