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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Svoboda, J. Lazer, M. Riele, W.T. |
| Copyright Year | 1965 |
| Abstract | Energetic and kinetic criteria for the selective magnetic separation of a useful mineral from a system containing several mineral species are derived, based on the Derjaguin-Landau-Verwey-Overbeek (DLVO) theory. It is shown that both criteria give similar predictions of the onset of coagulation and of the selectivity of magnetic separation. The best quality of magnetic concentration is achieved at a pH value that lies outside the interval between points of zero charge (PZC) of the minerals present, and the highest recovery of the useful mineral is achieved when the working pH value is as close as possible to the PZC of the valuable mineral. The magnetic field must be chosen in such a way that heterocoagulation between the useful mineral and the gangue is suppressed and homocoagulation of the valuable mineral particles is promoted. The predictions of the model are shown to be in very good agreement with the experimental results. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 283 |
| Ending Page | 293 |
| Page Count | 11 |
| File Size | 966334 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 23 |
| Issue Number | 1 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1987-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Magnetic separation Gold Minerals Magnetosphere Magnetic fields Particle separators Kinetic theory Coagulation Tellurium Predictive models |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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