Method of selectively separating glass from waste material

Details Method of selectively separating glass from waste material Method of selectively separating glass from waste material

1976-06-30

1978-09-26

Halper, Robert

Classifying, separating, and assorting solids

With heat treatment

209 12, 209127R, B03B 102

Patent

active

041168224

ABSTRACT:
Separation of glass from waste material by high tension techniques. The waste is sized to a range from 1/8 to 1 1/2 inches, dried to a moisture content less than 2%, air classified to remove low bulk density material, and subjected to magnetic separation to remove ferrous metal. The waste is then fed to the top of a rotating grounded drum and subjected successively to ion bombardment from corona discharge electrodes and to an electrostatic field from a static electrode. The glass remains pinned to the roll while other materials come off in the static field.

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patent: 3970546 (1976-07-01), Webb et al.
Proc. Third Mineral Waste Util. Symposium, Mar. 1972, Morey et al., p. 313.

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