Method for recycling the water used in a process for recovering

Details Method for recycling the water used in a process for recovering Method for recycling the water used in a process for recovering

1977-11-07

1981-06-30

Halper, Robert

Classifying, separating, and assorting solids

Treatment subsequent

209 12, 209166, B03B 700

Patent

active

042761557

ABSTRACT:
A process for efficiently recycling the water used in the various stages of a process for recovering glass from municipal trash. The invention comprises the separate treatment and recycling of the process water resulting from the first step separation of the incoming trash into a glass and inorganic constituent and an organic constituent for reuse in that step; the separate treatment and recycling of the process water emanating from the second step size classification to either the first or second steps; and, the treatment and recycling of the process water used in the froth flotation separation of the glass from the other inorganic constituents to any of the three steps in the process.

REFERENCES:
patent: 3252662 (1966-05-01), Lyons
patent: 3419493 (1968-12-01), Pangle
patent: 4070273 (1978-01-01), Morey
Deco Trefoil, Spring Issue, 1970, Bull. No. M4-B139, 9-16.
Proc. of the Third Min. Waste Utilization Symposium, Mar. 1972, 311-321, Morey et al.

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