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Eddy-current separation of small nonferrous particles by a single-disk separator with permanent magnets

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2 Author(s)
Lungu, M. ; Magnetism & Mater. Sci. Dept., West Univ. Timisoara, Romania ; Rem, P.

This paper describes a new type of eddy-current separator. It separates electrotechnical wastes containing metallic particles with dimensions less than 5 mm. The separator, a so-called single-disk eddy-current separator (SDECS), consists of an inclined horizontal rotary disk covered with permanent magnets, alternately N-S and S-N oriented, directly fixed on the axis of an electric engine. The advantage is that it contains fewer permanent magnets and has a less complicated construction than the usual eddy-current separators. The functioning of the SDECS is based on the jump effect of the strongly conducting particles inside the separation device. Experimentally, the separation of two wastes, namely, Cu-Pb and Cu-Al mixtures, was realized. The paper describes the dependence of grade and recovery on the drum revolution for three fixed inclinations of the disk for each component of the wastes.

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Magnetics, IEEE Transactions on  (Volume:39 ,  Issue: 4 )