Laboratory Flotation Testing

Metallurgical ContentPlanning the lab flotation test:Flotation ReagentsFlotation Equipment PreparationSample OriginBatch Laboratory Test PlantContinuous Laboratory Test Plant Batch Laboratory Flotation Testing starts from the 3 fundamental types of flotation processes or methods which can be classed as either: Bulk flotation Differential flotation Sequential flotation While all flotation processes are selective or differential in that one mineral or group of minerals is floated away from accompanying gangue, bulk flotation generally refers to separation of unlike mineral types such as sulfides from non-sulfides. Differential flotation (exemplified, for instance, by the concentration and subsequent successive removal of Cu, Pb, Zn and Fe sulfides from a single ore) on the other hand, is restricted to operations involving separation of similar mineral types. Batch Froth flotation Testing is a means of treating a pulp of finely ground ore so that it yields the valuable or desired mineral in a concentrate that will be amenable to further processing. The process involves the imparting of a water repellent (hydrophobic) character to the wanted mineral particles by chemicals that are called collectors or promoters. Under favorable conditions, these chemically coated particles become attached to the air that is bubbled through the pulp, and will thus “float” on the surface. If the … Continue reading Laboratory Flotation Testing