Compost purification method and apparatus

Details Compost purification method and apparatus Compost purification method and apparatus

1996-02-29

1999-03-02

Milef, Boris

Classifying, separating, and assorting solids

Plural, diverse separating operations

Gaseous suspension and sifting

209643, 209311, B07B 900

Patent

active

058758984

ABSTRACT:
Mature particulate compost containing plastic film fragments resulting from the comminution of green waste and the bags containing them, is freed of the plastic fragments during screening of the compost by drawing air upwards through the compost into at least one plenum chamber at a velocity sufficient to lift the plastic film fragment into the plenum chamber substantially free of compost.

REFERENCES:
patent: 8063 (1851-04-01), Etnier
patent: 362766 (1887-05-01), McKeen
patent: 1233965 (1917-07-01), Bishop et al.
patent: 3587851 (1971-06-01), Anderson
patent: 4913804 (1990-04-01), Muller
patent: 5074992 (1991-12-01), Clinton
patent: 5203665 (1993-04-01), Lande
patent: 5219078 (1993-06-01), Hadden
patent: 5328034 (1994-07-01), Davis
patent: 5339961 (1994-08-01), Mayhak
patent: 5462172 (1995-10-01), Kumagai et al.

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