As a core strategic mineral in the fluorine chemical industry, fluorite is associated with a wide variety of gangue minerals. Quartz, calcite, barite, sulphide minerals and clay minerals can all interfere with the purification of fluorite; it is difficult to consistently produce high-grade fluorite concentrate relying solely on a single process or a single reagent.
Various types of lithium ores, such as spodumene and lithium mica, exhibit complex mineralisation patterns and are often accompanied by impurity minerals such as iron, tantalum and niobium. To efficiently separate lithium minerals and produce qualified lithium concentrate, the complete production line is divided into four core stages: crushing and screening, grinding and classification, combined multi-process beneficiation, and concentrate thickening and dewatering.
The entire process is divided into three main parts: the lead flotation circuit, the classification and enrichment unit, and the zinc flotation circuit. The entire process adopts the core principle of prioritising lead flotation followed by zinc recovery from the tailings, combined with a differentiated reagent system to achieve efficient separation of lead and zinc.
Rock gold ores come in a wide variety of types, with significant variations in grain size and associated minerals. Many mines face challenges such as low gold recovery rates and persistently high production costs due to the selection of inappropriate processing methods. In fact, different rock gold ores possess unique mineral characteristics; by matching them with dedicated separation processes, metal recovery efficiency can be significantly improved
In graphite mine beneficiation, the physical properties of different types of graphite minerals vary greatly, and the challenges faced in beneficiation are entirely distinct: large-flake graphite is prone to breakage and wastage, fine-grained graphite is difficult to separate, and crystalline and microcrystalline graphite is difficult to liberate.
Depending on the form in which gold minerals occur, the composition of associated minerals, and the difficulty of ore beneficiation, gold ores can be classified into various industrial types, such as placer gold, sulphide gold ores, gold-bearing polymetallic ores and carbonaceous gold ores.
The main beneficiation processes for phosphate ore include heavy-medium separation, magnetic-electrostatic separation, scrubbing and desliming, roasting-digestion, flotation, photoelectric separation, chemical leaching and combined beneficiation flowsheets. Flotation remains the most widely used and effective method for the separation of phosphate ore in industrial applications.
Phosphorite is a high-grade lithium ore.The complete process is primarily divided into four key stages: high-temperature roasting, lithium extraction by hydrometallurgy, leachate refinement, and leach residue recycling.
Flotation is a key method for removing impurities from phosphogypsum, improving its quality and facilitating its resource recovery. It is primarily divided into direct flotation and reverse flotation, whilst industrial production often employs a combination of multiple processes.
Copper polymetallic sulphide ores are an important source of non-ferrous metals, typically characterised by close mineral association, fine grain size, and partial oxidation and alteration.
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