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AssigneeThe University of British Columbia
InventorsDominic Mark Martinez, James Allen Olson, Ario Madani, Ian Alistair Frigaard, Davood Farajisarir, James Lockhart
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Particles are separated from a source viscoplastic fluid by flowing streams of the viscoplastic fluid and a destination fluid in parallel streamed relationship inside a rotating cylindrical annulus by using baffles to introduce each fluid independently at an inlet lower end of the annulus and for separating the upper streams consisting of an un-yielded source and destination flow proximate the radially innermost side of the annulus, a bulk axial flow in a more central region and a yielded layer destination flow adjacent the radial outermost side of the annulus which contains the particles that have separated. Inlet and outlet baffles are provided at each end of the vertically oriented device to maintain the flows discrete on entry and to maintain the separated flows discrete on exit so as to facilitate removal of the component flows from the fractionator.
A method for continuously fractionating particles within a viscoplastic fluid, the method comprising:
Dependencies are inferred from the claim text.