B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
209/71
B03B 1/00 (2006.01) B01D 11/02 (2006.01) B01D 12/00 (2006.01) B01J 19/18 (2006.01) B03B 1/04 (2006.01)
Patent
CA 1125235
ABSTRACT A process is described for the separation of impurities from an aqueous slurry, dispersion or suspension. Streams of aqueous phase and an organic phase comprising a non-polar organic liquid are passed through a multi-compartment rotary contactor. A collector reagent is present during at least part of the passage of the streams through the contactor and gives the impurities a hydrophobic surface. The phases are contacted by continuously bringing the aqueous and solvent phases into contact with one another while maintaining an interface between the two phases. The two phases and the interfacial layer containing at least some of the impurities are independently withdrawn.
333356
Rtl Contactor Holding Sa
Stewart & Kolash Ltd
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