Process for controlling the permeate composition in a rotary fil

Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...

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210739, 210784, 422101, 436178, B01D 1300, B01D 3306

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049118471

ABSTRACT:
An improved method and apparatus for filtration includes an outer stationary body, an inner rotating body defining a gap with the outer body for receiving a fluid sample, the surface of one of the bodies defining the gap being a filter. The rotation of the inner body creates Taylor vortices which continuously displace occluded solute on the filter surface. The filter can be a membrane. The rotational speed and/or a driving force across the membrane may be varied to control the composition of the permeate.

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