Method of and arrangement for electrostatic separation of paper-

Details Method of and arrangement for electrostatic separation of paper- Method of and arrangement for electrostatic separation of paper-

1983-07-25

1986-02-18

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With classifying or separating of material

2091271, 241 791, 241DIG38, B02C 2308

Patent

active

045708614

ABSTRACT:
An elecrtrostatic separation of paper- and synthetic plastic material-containing mixtures is performed by comminuting the mixture, triboelectrically charging the comminuted mixture, and supplying it into a free-fall separator, wherein a paper-enriched and a synthetic plastic material-enriched fraction are produced, and in some cases they can be treated in a second electrostatic separation step to pure products.

REFERENCES:
patent: 3856217 (1974-12-01), Brewer
patent: 4092241 (1978-05-01), Mackenzie et al.
Dry Separation of Pyrite from Coal, Abel et al., Ind. Eng. Chem. Prod. Res. Develop., vol. 11, 1972.
Industrieanzeiger, Bahr et al., 12-1977, pp. 2021-2025.
Grubbs et al., Recovering Plastics from Urban Refuse by Electrodynamic Techniques, 12-1972.

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