The Carbon-in-Leach gold processing plant represents a significant advancement in cyanidation technology by integrating leaching and adsorption processes within the same reactor system. This method is particularly effective for treating sulfide ores, oxide ores, and complex mineral associations, achieving gold recovery rates of 96%-99%.
Gold carbon-in-pulp plant (Carbon-in-Pulp Plant, referred to as CIP) is a modern gold extraction process based on the principle of activated carbon adsorption, which is widely used in the processing of gold-containing ores. Compared with the traditional cyanidation method, the carbon-in-pulp method greatly improves the gold recovery rate by directly adding activated carbon into the pulp to adsorb gold-cyanide complexes
Wormite and scheelite have become the main sources of tungsten resources due to their high mining value. Tungsten, as a rare metal, is widely distributed in various types of rocks and has important industrial application value.
Bentonite is a type of clay rock with montmorillonite as the main mineral component, and the montmorillonite content is usually 85% - 90%. Its unique crystal structure consists of two layers of silicon-oxygen tetrahedrons sandwiched by one layer of aluminum-oxygen octahedron, which gives bentonite many special properties.
In mining operations, proper disposal of tailings is a critical task. Surface disposal of tailings is usually done with the help of various types of dams and dikes to construct reservoirs to store tailings and factory wastewater. There are a variety of dike types to choose from, including single-layer water storage types and elevated dike types such as upstream, downstream, and centerline. Each type has its own unique construction methods, application conditions, advantages and disadvantages.
The chemical bleaching method removes these impurities by converting them into soluble substances through the action of chemical reagents, thereby significantly improving the whiteness of kaolin. Below are the main methods of chemical bleaching and their applications.
The natural types of antimony ore can be subdivided into oxide ore, mixed ore and primary ore. According to the oxidation rate (%) of antimony, the oxidation rate of oxidized ore is >50%, that of mixed ore is between 30% and 50%, and that of primary ore is <30%.
Graphite products are divided into two categories: flake graphite and microcrystalline graphite: flake graphite refers to natural crystalline graphite, which is shaped like fish scales and is a product obtained by processing, beneficiation, and purification of crystalline graphite ore
The carbon-in-slurry (CIL) gold extraction process uses activated carbon to directly adsorb gold-cyanide complexes from cyanide slurry, eliminating the solid-liquid separation step. The gold-loaded carbon is desorbed and electrolyzed at high temperature and high pressure to recover gold, and the activated carbon can be reused after activation.
Common methods for tin ore dressing include gravity separation, flotation, magnetic separation and combined beneficiation. Gravity separation uses the difference in mineral density for separation and is suitable for coarse-grained tin ores; flotation is based on the difference in mineral surface properties and is suitable for fine-grained tin ores; magnetic separation is used to remove magnetic impurities in the ore and improve the purity of the concentrate; combined beneficiation combines the advantages of multiple methods and is suitable for complex ores.
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