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Powder chemistry

  • Mixing and agglomeration processes: Feasibility trials, products development from lab to pilot scale, scale-up.
    • Compaction
      • Compaction is a powder agglomeration process, where materials are undergoing extreme pressure. IMI is an expert in compacting a wide range of Potash-based products and other materials. Available equipment ranges from lab-scale presses to pilot scale roll compactor with a capacity of up to 100 kg per hour
    • Granulation
      • Granulation is an agglomeration process, based on agitating the powders and forming fine particles into larger granules. Several granulation processes are available at IMI: plate granulation, drum granulation and high-shear granulation from a lab scale to a pilot scale of 5 kg per batch
    • Blending

Blending or mixing is a process of making a heterogeneous mix more homogeneous. Several mixer types ranging from portable concrete/mortar mixer to paddle and high-shear mixers are available at IMI.

De-agglomeration, size-reduction processes: Identifying the best milling option for specific application, process optimization and particles size analysis and scale-up.

  • Crushing
    • Crushing is a size reducing operation, utilized to break large rocks into smaller rocks in beneficiation processes. Crushing is done by putting the material between two parallel or tangent solid surfaces and applying force to bring the surfaces together. Two pilot-scale types of crushers; Jaw crusher and Roller crusher are available at IMI. We have the know-how to use them on Potash, Phosphate and other type of ores.
  • Dry Milling
    • Dry milling is a process of grinding, de-agglomerating and homogenizing feedstock into narrow particle size ranges. A wide range of dry mills: Pin mills, Blade mills, Hammer mills, Rod mills and Ball mills from leading manufacturers are available in both lab and pilot scale.
  • Wet milling
    • Wet milling is a process in which particles dispersed in a liquid are grinded by impact of shearing, crushing or attrition. Wet milling is usually applied when raw materials come in the form of slurry or when the target particle size distribution is not in the range of dry milling. Ball-type wet milling for a coarser process and Bead milling for submicronic size distributions are both available on pilot scale.