C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/42 (2006.01) B01D 15/02 (2006.01) B01J 47/10 (2006.01)
Patent
CA 2078031
METHODS AND APPARATUS FOR CONTINUOUS REMOVAL OF MATERIALS FROM A LIQUID Abstract of the Disclosure Methods and apparatus for continuous separation and optional recovery of one or more contaminants from a liquid, and in particular, for isolation of one or more specific elements, isotopes, ions, complexes and/or compounds from mixtures of similar or dissimilar materials, whereby the liquid containing such mixture is treated continuously, and the thus-isolated material may if desired be economically recovered. Through the use of means for continuously moving an affinity medium in a direction countercurrent to the flow of a liquid containing the material to be isolated, it is possible to obtain contaminant removal efficiencies comparable or superior to what would be obtained with heretofore known methods, and to achieve selective removal of one or more contaminants from a mixture. The affinity medium is selected on the basis of its ability to form an association with on or more of the components of the mixture being treated. In a preferred embodiment of the invention, the continuous countercurrent movement of medium relative to liquid is effected through the use of a helicoidal screw inside a conduit.
981011 Ontario Inc.
Osler Hoskin & Harcourt Llp
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