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Industrial minerals play a pivotal role in various sectors of the global economy, serving as essential raw materials for diverse manufacturing processes. Metso has a comprehensive offering for a wide variety of industrial minerals.
Process know-how
Worldwide installed base
Global network of testing and research center
Silica sand
Silica Minerals represent the group of minerals composed of silicon and oxygen forming the chemical formula SiO2. Silica can occur in macrocrystalline, cryptocrystalline, and amorphous forms. Industry predominantly uses the crystalline form of silica, i.e. quartz. Silica is used as granular products containing the particle size range >63 µm. Fine-grained silica is used as functional fillers in various applications.
The production process for silica sand consists of crushing, grinding, sizing, beneficiation, dewatering, and drying. Metso can supply complete flowsheets using its own equipment and that of partners. Our Metso Plus portfolio helps reduce energy consumption and emissions, improves water efficiency, supports circularity and is designed to offer market leading safe operation.
Calcium carbonate
Pressure filtration for precipitated calcium carbonate (PCC) processes
Compared to conventional filter presses, our pressure filters enable more effective pressing and drying leading to lower cake moisture. Dryer cake after filtration requires less thermal drying leading to improved product quality while helping to cut dryer energy consumption. Effective pressure filtration reduces product loss (PCC solids) to filtrate, which means more product is available for packaging.
We’ve delivered over 50 pressure filters to PCC producers around the world, helping them save energy, reduce costs, and improve yield. Our filters are easy to adapt to both old and new production lines and can be installed with minimal downtime.
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