Continuous substance-separating procedure in three phases: liquid/liquid/nonsoluble solids
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United States of America Patent
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Jul 16, 2002
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N/A
app pub date -
Jul 6, 1998
filing date -
Jul 6, 1998
priority date (Note) -
Expired
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Abstract
A continuous procedure for the separation of substances in three phases: liquid/liquid/nonsoluble solids, preferably to separate the organic contained in wastes from solvent extraction processes. The procedure is made up of a first stage of radial feeding of wastes coming from an axial section of a differential rotary field; wherein said differential rotary field is, made up of rotary means of solid dragging and of perimetral rotary means, which rotate in one and the same direction and with different angular speeds according to a spin axis which is substantially horizontal. A second stage consisting in a first radial adjustment of the separation zone of the liquid phases, wherein said first adjustment is carried out with annular means of radial adjustment, which are static with respect to said perimetral rotary means, acting as an overflow lip to allow the pass of the predominantly light liquid phase. A third stage consisting in a second radial adjustment of the level of the separation zone acting at the outlet of the liquid/liquid overflow of the second preceding stage.
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