Aplite Rock - Processing Solutions

Materials:Aplite Rock

Featured Product:  - RE Roll removes ferrous oxide


The ferrous oxide content of aplite rock remained too high after removal of denser minerals from the feldspar. Glass grades of feldspar typically contain less than 0.1% ferrous oxide.


M&T Chemicals, Inc. (now U.S. Silica), in Montpelier, VA, USA installed three Eriez Induced Magnetic Roll Separators*. Glass grades of feldspar were achieved at the desired production rate of 15 TPH and maintenance was significantly reduced.

*Alternative equipment includes Rare Earth Roll Separators.

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