PROBLEM TO BE SOLVED: To separate a floating material in water and discharge the floating material without cutting it.;SOLUTION: A filtrate is led to a flow path having a predetermined angle relative to a cylinder while catching the floating material with the cylindrical rotary filter. The floating material caught with the cylindrical filter is quantitatively discharged outboard without being cut by a screw conveyer.;COPYRIGHT: (C)2008,JPO&INPIT
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