Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Sorting special items or sorting by methods and apparatus...
Patent
1998-01-16
1999-09-28
Nguyen, Tuan N.
Classifying, separating, and assorting solids
Precedent preparation of items or materials to facilitate...
Sorting special items or sorting by methods and apparatus...
209724, 209930, 241 20, 241 241, 241 38, 241DIG38, B03B 500
Patent
active
059572957
ABSTRACT:
The present invention discloses an apparatus and method for the processing of refuse mixtures which may include relatively high concentrations of plastic waste, such as refuse mixtures including waste packages originating from household refuse and industrial refuse and especially refuse mixtures including plastic waste in the form of sheeting, hollow bodies, beakers and composite materials whereby the solids of the refuse mixture are comminuted, the communited refuse mixture is then moistened, mechanically disintegrated, mixed with a separating fluid and then dewatered and separated by density by a sorting centrifuge thereby obtaining a plastic fraction which is free of impurities.
REFERENCES:
patent: 5104047 (1992-04-01), Simmons
patent: 5143308 (1992-09-01), Hally et al.
patent: 5598980 (1997-02-01), Dilly-Louis et al.
Baker Hughes (Deutchland) GmbH
Coleman Henry D.
Nguyen Tuan N.
Sudol R. Neil
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