Separation and recovery method for composite plastic waste and universal type separation and recovery device used therefor

摘要

PROBLEM TO BE SOLVED: To provide a versatile separation/recovery method and apparatus widely applicable to various combined waste.SOLUTION: The solvent regeneration circulation type versatile separation/recovery method and apparatus are configured as follows: in the inside, a revolving drum 11 with metal mesh is horizontally disposed to be journaled by a rotary shaft 12 driven by a motor and is revolvable at two stages of low speed and high speed, while a solvent-heating means 13 is provided so as to feed heated separation solvent to a reactor 10, triethylene glycol is used as the solvent in the reactor 10 in which the object to be treated is treated by the separation solvent under stirring in the rotary drum, and various plastics P1 and P2 are separated and recovered. Meanwhile, the solvent to be recovered is fed to the reactor 10 to be reutilized.