Retrieving "Ultrasonic Particle De Entrapment" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Cyanidation

   Linked via "ultrasonic particle de-entrapment"

   Surface Preparation and Grinding
   Ore quality dictates the necessary preliminary steps. Ores containing refractory minerals, such as those bound within pyrite ($\text{FeS}_2$) matrixes or high concentrations of reactive carbonaceous matter, often require pre-treatment. Common pre-treatments include pressure oxidation, bio-oxidation, or [roasting](/entr…