
Magnetite Recovery In Coal Washing By High Gradient. In 1990 And 1991, A Series Of 97 Laboratory-Scale Conventional Wet-Drum Magnetic Separation Tests And 52 High-Gradient Magnetic Separation Tests Were Carried Out At The Pittsburgh Energy Technology Center (PETC) Of The US Department Of Energy To Investigate The Performance Of These Processes In Separating Micronized Magnetite
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