Method to separate and recover oil and plastic from plastic cont

Details Method to separate and recover oil and plastic from plastic cont Method to separate and recover oil and plastic from plastic cont

1996-02-16

1998-01-27

Silverberg, Sam

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 40, 134 2218, C02F 146

Patent

active

057118205

ABSTRACT:
The present invention provides a method to separate and recover oils and recyclable plastic from plastic contaminated with oil. The invention utilizes the different solubility of oil in as liquid or supercritical fluid as compared to a gas to effect separation of the oil from the plastic.

REFERENCES:
patent: 4061566 (1977-12-01), Modell
patent: 4434028 (1984-02-01), Eppig
patent: 4601906 (1986-07-01), Shindler
patent: 5013366 (1991-05-01), Jackson
patent: 5304253 (1994-04-01), Grant
patent: 5316591 (1994-05-01), Chao
patent: 5377705 (1995-01-01), Smith
M.A. McHugh et. al., "Supercritical Fluid Extraction," Butterworth Publishers, Stoneham, MA 02180, 1986, pp. 181-198.

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