Method for the selective recovery of constituent materials from

Details Method for the selective recovery of constituent materials from Method for the selective recovery of constituent materials from

1985-03-21

1986-06-24

Yoncoskie, Robert

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 17, B08B 704

Patent

active

045966036

ABSTRACT:
Wastes from insulated electrical cables, including plasticized polymeric material and metal conductors are treated with a solvent to extract selectively the plasticizers in the polymeric material and subsequently the deplasticized polymeric material is subjected to cold crushing. The method is particularly advantageous in connection with the recovery of mixed wastes including plasticized polyvinyl halides and olefin polymers, allowing the selective cold crushing of the polyvinyl halides and their recovery.

REFERENCES:
patent: 3527414 (1970-09-01), Schorsch
patent: 3975208 (1976-08-01), Tate et al.
patent: 4091825 (1978-05-01), Baker
patent: 4173493 (1979-11-01), Kallas

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