B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
B03B 4/06 (2006.01) B03B 11/00 (2006.01)
Patent
CA 2729429
An apparatus for segregating particulate material by density and/or size to concentrate a contaminant for separation from the particulate material feed stream is provided. The apparatus comprises a fluidizing bed having a receiving inlet for receiving the particulate material feed, an inlet opening for receiving a fluidizing stream, a discharge outlet for discharging a fluidized particulate material product stream, and a discharge outlet for discharging a non-fluidized particulate material stream. The apparatus also comprises a source of fluidizing stream operatively connected to the inlet opening for introducing the fluidizing stream into the fluidizing bed to achieve separation of the fluidized particulate material product stream from the non-fluidized particulate material stream, and reception means for receiving the fluidized particulate material product stream discharged from the fluidized bed. The apparatus also comprises a conveyor means for transporting the non--fluidized particulate material inside the fluidized bed through the discharge outlet to a reception means. The fluidized particulate material product stream contains a reduction in the contaminant relative to the particulate material feed of about 23% to about 54%, and the non-fluidized particulate material stream contains about 9% to about 45% of the contaminant contained in the particulate material feed.
Coughlin Matthew P.
Levy Edward K.
Ness Mark A.
Sarunac Nenad
Wheeldon John M.
Great River Energy
Sim & Mcburney
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