🔰 Define flotation (floating)
Selective flotation of hydrophobic minerals and their separation from hydrophilic minerals is called flotation. This action will increase the grade and, as a result, increase the purity of the mineral extracted from the product. In order to increase the grade of elements in the purification process, flotation should be used.
🔰 Components of a flotation cell
◾️ paddle Suction pump Air blower
🔰 The process of performing the flotation process
In the flotation operation, the differences in physical and chemical surface properties of minerals are used. And the act of separation is done. In this method, the minerals are crushed to suitable dimensions and when they are mixed with water. They are soaked or remain suspended on the water. Valuable minerals such as talc, coal, diamond, graphite and molybdenite cannot be soaked and immersed in water. These types of minerals are called hydrophobic or hydrophobic. In the whole surface of most minerals, it is heated in contact with water. These materials are called hydrophilic or hydrophilic.
When the valuable mineral is not hydrophobic, to make that mineral hydrophobic. They use chemicals that are called collectors. This stage in which the preparation is done is called conditioning. In this case, the collectors increase the tendency of the particles towards the air. In flotation, chemical substances are used that make the activity of flotation completely optional. And the miner can adjust them based on valuable minerals and tailings. In all stages of preparation and flotation, in order to prevent the settling of the solid phase and to increase the kinetics of the processes, the pulp is stirred by a stirring device.
In flotation, chemical substances are used that make the activity of flotation completely optional. And the miner can adjust them based on valuable minerals and tailings. In all stages of preparation and flotation, in order to prevent the settling of the solid phase and to increase the kinetics of the processes, the pulp is stirred by a stirring machine.
🔰 The basis of flotation work
In the flotation method, the mineral that is imported from the mine to the factory enters the production line after passing through various types of stone crushers, such as jaw crushers, ball mills, and rod mills. Granulation is very important in this work process. When the mineral enters the production line and is turned into a pulp along with water inside the Radmill mill and reaches the desired size, it enters the first flotation cell.
🔰 Types of flotation cells
There are two types of flotation cells. One type is called mechanical and the cells are rectangular or square and the other type is called column flotation and the flotation cell is cylindrical. In fact, both methods work on the same basis, which is the use of air bubbles for hydrophobic molecules.
Flotation is one of the best methods for separating minerals in mineral soils. Note, however, that this method is known for mining. But it is also used in the treatment of industrial effluents and paper recycling industries.
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