Liquid purification or separation – Liquid as separating medium
Patent
1995-02-01
1997-03-11
Spear, Frank
Liquid purification or separation
Liquid as separating medium
210634, B01D 1104
Patent
active
056097646
ABSTRACT:
An extraction column includes: one or several vertically aligned stages; fittings for inletting a phase containing a component that is desired to be extracted; fittings for inletting an extracting phase; and fittings for outletting the two phases after treatment in the column. Each stage includes two volumes, an internal one inside an outer one in fluid communication with each other via an intermediate volume. The internal volume is intended to cause mixing between the phase containing the component that is desired to be extracted, and the extracting phase. The outer volume is intended to cause the reseparation of the two phases, the one from the other after the mixing happens. The two fittings, the one high, the other low, for the two phases after their separation, are arranged in a calm zone. There is also a device for adducing the two phases from the outlet fittings of the reseparation volume to a subsequent treatment stage.
REFERENCES:
patent: 1297171 (1919-03-01), Holley et al.
patent: 2861027 (1958-11-01), Farmer
patent: 3719455 (1973-03-01), Ohono et al.
In.Tec. International Environment Technology S.r.L.
Spear Frank
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