Separation tank
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United States of America Patent
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-
Mar 31, 1992
Grant Date -
N/A
app pub date -
Dec 3, 1990
filing date -
Dec 3, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A separation tank adapted for use in washing and separating recycled polymeric material from contaminants, the separation tank comprising a centrally disposed baffle and being adapted to receive and circulate an aqueous medium around the baffle; transversely mounted, rotatable members adapted to submerge floating material within the aqueous medium; transversely mounted, rotatable members adapted to aggressively agitate the surface of the aqueous medium; and longitudinally spaced sumps disposed in the floor of the tank on the side of the baffle opposite the agitation members to collect contaminants settling out of the aqueous medium; and members adapted to divide the aqueous medium into surface and subsurface portions for the respective recovery of the polymeric material and recirculation of the aqueous medium.
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