The raw materials used in the titanium industry are mainly ilmenite (accounting for 85~90%) and rutile (accounting for 5~10%), and ilmenite is produced in placer and vanadium-titanium magnetite. Vanadium-titanium magnetite is an important mineral resource for obtaining titanium in my country. Below we take a certain vanadium-titanium magnetite as an example to introduce its ore dressing process plan.Details>>
Zinc oxide is a secondary mineral of zinc, and its ore types are mostly in the form of smithsonite, hemimorphite, willemite, hydrozincite, and red zincite. For this kind of zinc oxide, flotation is often used for mineral processing. Its flotation processes include sulfide-amine salt flotation, sulfide-xanthate flotation, fatty acid collector flotation, flocculation flotation, long carbon chain CH-based and SH-based collector flotation, etc. Details>>
Flake graphite can be divided into two categories according to its crystal form: cryptocrystalline (earthy) and flake graphite. Common flake graphite usually presents natural phaneritic, has a layered structure, and is shaped like fish scales, belonging to the hexagonal crystal system. It mainly exists in geological environments such as gneiss and schist, and is often blue-gray in color. After weathering, it may appear yellow-brown or gray-white. Its grade is average, and it may be accompanied by a variety of paragenetic minerals, such as feldspar, quartz, biotite, pyrite, pyrrhotite, and rutile. According to different ore deposit characteristics and ore properties, methods for purifying flake graphite include flotation, alkali acid method, hydrofluoric acid method, chlorination roasting method, and high temperature method.Details>>
For the above-mentioned minerals that cannot be cyanided for gold extraction after grinding, the elements on the mineral lattice nodes need to be converted from reduced state to oxidized state to destroy the sulfide ore lattice that wraps the gold, forcing the gold to be exposed from the carrier mineral, and then cyanidation gold extraction treatment is carried out. This method of oxidizing and decomposing the carrier gold mineral before cyanidation gold leaching to increase the degree of gold exposure is called oxidation pretreatment.Details>>
Tungsten resources are mostly obtained from wolframite, scheelite and mixed black and white tungsten ores. However, due to long-term development, easy-to-select tungsten and rich tungsten ores have been almost exhausted, but my country's demand for tungsten resources has only increased. Therefore, only associated tungsten deposits or difficult-to-select tungsten deposits can be developed to obtain tungsten resources.Details>>
In the process of lithium resource development and utilization, the processing and purification of lithium-containing minerals such as spodumene and lepidolite have long been carried out. At present, among the more than 130 known lithium-containing minerals, the processing and purification of lithium-containing minerals such as spodumene and lepidolite has long been carried out, and only a few silicate and phosphate minerals have economic value. This article takes spodumene (chain silicate) and lepidolite (layered silicate) as examples to introduce their lithium extraction technology.Details>>
80-90% of the world's phosphate rock is used for the production of phosphate fertilizers, feed additives, etc. It is not only used in agriculture, but also widely used in chemical, light industry, defense and other industrial fields. Therefore, the status of phosphate rock is very important. Due to the continuous development and utilization of phosphate resources in recent years, high-grade lithium ore resources have become increasingly scarce, and the utilization of low-grade phosphate resources has received more and more attention. Choosing a reasonable beneficiation method can greatly improve the efficiency of beneficiation. The following will introduce you to several phosphorus selection processes, namely flotation, gravity separation, roasting digestion and organic acid leaching. Details>>
The main component of fluorite is calcium fluoride, which is an important mineral raw material for obtaining fluorine. Generally, pure fluorite is colorless, while common fluorites are in various colors, such as light green to dark green, blue, green-blue, yellow, wine yellow, purple, violet, gray, brown, rose red, dark red, etc. These fluorite ores often contain other gangue ores or metal ores, such as calcite, mica, etc. So when fluorite contains mica calcite, how to dress it? Let's take a certain mica calcite type fluorite ore as an example to introduce its fluorite beneficiation method.Details>>
Wormite is mostly quartz large vein type or fine vein type tungsten deposit, which belongs to gasification high temperature hydrothermal type deposit. Wolframite is enriched in quartz in the form of coarse plate or fine vein crystals, with coarse embedded particle size, which is easy to separate. Wormite beneficiation generally adopts a combined beneficiation process mainly based on gravity separation, which is generally divided into roughing, gravity separation, concentration and fine mud treatment stages. Let's learn about these beneficiation processes and their principle processes together.Details>>
At present, more than 30 types of tungsten-containing minerals have been discovered, but only scheelite, wolframite and black and white tungsten mixed ore are worth mining. As black and wolframite are becoming increasingly depleted, poor, fine and mixed black and white tungsten mixed ore that is difficult to select has become the main target of development. So what are the methods for beneficiating black and white tungsten mixed ore? Let's learn about it together!Details>>
When dealing with the flotation process of copper-lead-zinc sulfide ores, it is necessary to first conduct in-depth research on the composition and structural characteristics of the ore to determine the intercalation relationship of the main metal minerals in the ore and the intercalation characteristics of the copper minerals. Based on this information, a suitable copper-lead-zinc flotation separation process can be designed. The following is a detailed introduction to the four major copper-lead-zinc flotation processes:Details>>
Gold mines can be divided into gold-forming mines, gold-bearing mines, gold-bearing mines, etc. according to the gold content of the minerals and the composition structure of the minerals. These gold mine resources are rare precious metal resources. In order to avoid resource waste during gold mine beneficiation, beneficiation technology is very important. Gold mine beneficiation plants basically use two methods, gold mine flotation process and gold mine chlorination process. When selecting the appropriate process according to the nature of the gold mine, it is necessary to analyze the nature and specifications of the gold mine.Details>>