| 摘要 |
An apparatus for separating a stream of particles with individual sizes smaller than 300 μm and magnetic properties ranging from collective magnetism as in ferromagnetism to paramagnetism to diamagnetism. The apparatus includes a plurality of stages for separating a stream of particles. The apparatus includes a magnetic component producing a magnetic force associated with each stage. The apparatus includes an aerodynamic component producing an aerodynamic force associated with each stage, where the more magnetic component or components of a feed of particles for each stage is separated and either or both the less magnetic product and the more magnetic product of each stage are the feed for separate succeeding stages with each stage and where the magnetic and aerodynamic forces along with gravimetric forces of each stage are chosen to separate more strongly magnetic particles from less magnetic particles. A method for separating a stream of particles with individual sizes smaller than 300 μm and magnetic properties ranging from collective magnetism as in ferromagnetism to paramagnetism to diamagnetism.
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