Method and apparatus for cleaning contaminants from plastics

Details Method and apparatus for cleaning contaminants from plastics Method and apparatus for cleaning contaminants from plastics

1994-01-31

1995-08-22

Simmons, David A.

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

134 6, 134 10, 134 251, 241 15, 241DIG38, B08B 300

Patent

active

054436524

ABSTRACT:
A method and apparatus for the cleaning of plastic flakes to be recycled. Water is added to the plastic flakes and high shear agitator is provided so that dirt, paper and other contamination are removed from the surface of the plastic flakes. The contaminant containing water is then separated from the cleaned plastic flakes. Batch and continuous embodiments of the present invention are disclosed.

REFERENCES:
patent: 4379525 (1983-04-01), Nowicki et al.
patent: 4617111 (1986-10-01), Grimm et al.
patent: 4665816 (1987-03-01), Waters
patent: 4680060 (1987-07-01), Gupta et al.
patent: 4760717 (1988-08-01), Ponzielli
patent: 5073203 (1991-12-01), Al-Ghatta
patent: 5094912 (1992-03-01), Deibig et al.
patent: 5174316 (1992-12-01), Keller et al.

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