The froth flotation is the most promising and versatile process for commercial upgradation of coal fine slimes. The alternative processes are also under development for the replacement of flotation processes where suitable. All the unit processes described here have shortcomings.
The principle behind froth flotation process is that sulphide ores are preferentially wetted by pine oil whereas gangue articles are wetted by water. In this process, the suspension of a powdered ore is made with water. Collectors like pine oil, fatty acids and xanthate are added to it.
Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in mineral processing, paper recycling and waste water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.
Froth flotation is one of the most popular operational processes for mineral beneficiation. In ore/mineral beneficiation, froth flotation is a method by which commercially important minerals are separated from impurities and other minerals by collecting them on the surface of a froth layer.
Beneficiation of copper ores is done almost exclusively by selective froth flotation. Flotation entails first attaching fine copper mineral particles to bubbles rising through an orewater pulp and, second, collecting the copper minerals at the top of the pulp as a briefly stable mineralwaterair froth.
Copper beneficiation process Copper ore divides into ore sulfide,ore oxide and mixing ore according to its oxide rate. The main process for copper ore is flotation, for refractory mixed copper ore and refractory oxide ore, normally use hydrometallurgy process. Online consultation Ask for quotation
The main beneficiation method which is worldwide used is froth flotation. The process of froth flotation involves crushing, grinding to reduce the particles size to a fine size; and attrition, scrubbing amp; classification. Crushing: In primary crushing, ore particle sizes are reduced to about 10 cm.