| 摘要 |
A method and device for separating particles suspended in a liquid by guiding these particles through a bed of balls of ferro magnetic material and by moving these balls together with the particles through a magnetic field, by supplying a washing liquid during the passage of the particles through the magnetic field for washing off the non-magnetic particles and by supplying a liquid outside the magnetic field for discharging the magnetizable particles. After leaving the magnetic field the balls and the magnetizable particles fall freely over some distance.
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