B - Operations – Transporting – 29 – B
Patent
B - Operations, Transporting
29
B
B29B 17/00 (2006.01) B02C 23/08 (2006.01) B03B 5/28 (2006.01) B03B 9/06 (2006.01) B29B 13/02 (2006.01) B29B 17/02 (2006.01)
Patent
CA 2135959
A process for collecting waste plastics as separated comprises the steps of presorting out waste plastics from separated municipal refuse, crushing the waste plastics, reducing the volume of expanded polystyrene included in the waste plastics by heating the waste plastics at a predetermined temperature, finely dividing the waste plastics, washing the waste plastics to remove salt, etc. therefrom, separating the finely divided waste plastics in a liquid utilizing the difference between the plastics in specific gravity and collecting the separated fractions, and drying the useful one of the separated fractions.
Processus de collecte sélective des plastiques mis aux ordures comprenant les étapes suivantes : trier au préalable les plastiques des ordures ménagères séparées, les écraser, réduire le volume de polystyrène expansé compris dans les plastiques mis aux ordures en les chauffant à une température prédéterminée, diviser les plastiques, les laver pour enlever le sel, etc., puis séparer les plastiques finement divisés dans un liquide en utilisant la différence entre la densité des plastiques et en ramassant les fractions séparées, et sécher celle qui est utile.
Ito Michio
Miura Yoshimasa
Ogino Etsuo
Takakura Chitose
Fetherstonhaugh & Co.
Hitachi Zosen Corporation
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