B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 33/60 (2006.01) B01D 33/06 (2006.01) B01D 33/073 (2006.01)
Patent
CA 2124041
ABSTRACT OF THE DISCLOSURE A method for recovering crystals from a crystal-containing slurry, which comprises supplying the slurry to a rotary filter having a rotating cylindrical filter medium, filtering the supplied slurry in a filtering region to retain the crystals on the filter medium and washing the filter cake formed on the rotating filter medium repeatedly in a plurality of washing regions by spraying a washing liquid onto the cake in each region by supplying any one of washing regions on the aft side in the rotating direction of the filter medium with the spent washing liquid of the washing region neighboring said one washing region on the fore side in the rotating direction.
Okamoto Etsuro
Sakata Toshiyuki
Suzuki Hiroshi
Yamamoto Ryoichi
Mitsui Chemicals Inc.
Smart & Biggar
LandOfFree
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