Solid material comminution or disintegration – Processes – With classifying or separating of material
Patent
1988-06-27
1989-08-22
Rosenbaum, Mark
Solid material comminution or disintegration
Processes
With classifying or separating of material
210705, 210712, 241 25, 241 99, B02C 1914
Patent
active
048588334
ABSTRACT:
To recycle fluorescent and television tubes, the latter are introduced into a container which can be sealed in a gas-tight manner and crushed under water. In this process, the ascending gases released are drawn off under suction and fed in a compressed state to the reuse process, acid which dissolves or strips off the pollutants being added to the broken glass, which is coated with pollutants, the dissolved and stripped-off pollutants are flushed out of the broken glass, the metallic constituents are removed therefrom and then the broken glass is passed to the further utilization process. A precipitating agent is added to the liquid phase and the liquid phase is then filtered, the yttrium-containing filter cake being delivered to lanthanide manufacturers for further processing. The filtrate is fed back to the container in which the tubes are crushed.
REFERENCES:
patent: 4607798 (1986-08-01), Odlin
Recytec S.A.
Rosenbaum Mark
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