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The concept of mineral processing pharmacy and its relationship with mineral processing. In the course of the selection process, the chemical additives added to improve the effectiveness of the operation are collectively referred to as mineral processing chemicals.
As for the mineral processing clerk, the mineral processing process consists of three parts: the pre-selection meteorite preparation operation, the sorting operation, and the post-selection dewatering operation.
The goal of the pre-selection preparatory work is to dissociate the useful minerals and gangue minerals from the monomer. It consists of grinding and sieving and grinding and grading operations. Because the level of dissociation of useful minerals and gangue minerals indirectly affects the sorting index, the capital and energy consumption of grinding and grinding equipment of the concentrator account for more than half of the whole plant, so how to improve the grinding efficiency Progressive mineral processing indicators, diligent energy consumption, and declining cost are all important. Among the many methods used, the use of chemical additives to assist in grinding can reach the goal of improving the effectiveness of grinding. We call this chemical enhancer a grinding aid.
The sorting operation can be composed of different mineral processing methods. Important mechanical beneficiation methods include flotation, re-election, magnetic separation, and electrical selection. Among them, the pharmacy is used earliest, and the most important thing is the capture. The so-called flotation is the use of the difference in mineral hydrophobicity, the separation of foam products from the pulp to reach the process of separate and enrichment of useful minerals and gangue minerals. Because the natural hydrophobicity of natural minerals is very small, the difference in hydrophobicity of different minerals depends entirely on different agents for conditioning. In the course of flotation, the various agents used to transform the physical and chemical properties of the mineral surface are collectively referred to as flotation reagents. It contains many agents for collecting foaming agents and dispensing agents. The use of these agents is currently incompletely limited to the flotation method. For example, magnetic selection, this is the use of mineral differences in the selection of minerals, but for the fine grain scorpion, for the progress of the selection of the consequences, beforehand with the addition of aerosol treatment, in order to protect the minerals of sufficient relaxation, improve the selection of magnetic selection.
The goal of dewatering is to remove the moisture from the wet beneficiation product to facilitate transportation and subsequent sintering and smelting. It contains three stages of dilution, filtration and drying. With regard to fine and muddy pulp, it is very difficult to remove water. Fine-grain concentrates are easily dissipated from the diluted and filtered overflow water, resulting in waste and environmental pollution. Adding chemical additives to the dilution filtration process is one of the powerful ways to change this state. Through the action of the medicament, it can sponsor the effect of progressive dilution and filtration, and reduce the moisture of the dehydrated product. The agent that flocculates and settles the sponsored particles, which is added in the dilution process, is called a coagulant. The agent that increases the filtration speed and reduces the moisture of the filter cake in the filtration process is called a filter aid. Sometimes the habits are referred to as filter aids or dewatering aids.
As can be seen from the above, the application of the medicament is not limited to the conventional process, and it is limited to the various processes of mineral processing and mineral processing in the course of flotation.
This development process is due to the declining poverty-poor mines that are easy to choose in the natural world. The poor and symbiotic relationship between the poor and fine mines is increasing, making the various processes of mineral processing difficult. At the same time, in order to return the useful components in the industrial waste residue, the raw materials for beneficiation are more diverse and different in nature, such as high hardness steelmaking slag. When the ore dressing is used for wastewater treatment, the particle size of the material to be treated is finer, making the solid-liquid solution more difficult. Many of the drugs that have emerged to deal with these problems are not in the flotation operation.
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