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Alluvial gold mines is various in kinds and widely distributed. According to the transport distance, the alluvial gold mines can be divided into residual placer gold, slope placer gold mine, alluvial placer gold mine, riverbed impact placer gold mine, and coastal placer gold mine. Among them, the riverbed impact placer gold mine is common. According to handling force medium, the alluvial gold mine can be divided into aeolian placer gold mine, ice-forming placer gold mine, and aquatic placer gold mine. According to the era of transport, the alluvial gold mine can be divided into deep placer gold deposit, terraced placer gold mine, and river beach placer gold mine. There is very low content gold in the alluvial gold mine. It needs all kinds of gold processing equipment for processing and enrichment. The gravity separation has the characteristic of high-efficiency, energy-saving and environment-friendly. It is the main alluvial gold mining method. Generally, gold and various kinds of associated heavy minerals can be recovered through gravity separation. Then gold and associated heavy sand minerals can be separated through gravity separation, flotation, magnetic separation, and electrostatic beneficiation.
Based on the above problems, the gold tailings disposal methods and comprehensive utilization of gold tailings is extremely urgent. At present, the common gold tailings disposal methods and comprehensive utilization mainly include the following ways: gold tailings reprocessing method, gold tailings dry stacking method, production of building materials, mine filling, reclamation and making field.
At present, the common chrome extraction processes mainly include gravity separation, magnetic separation, electric separation, flotation, gravity-magnetic separation process. Below, let’s take you to learn about each chromite ore processing process.
Laterite nickel mineral is a clay ore formed by long-term weathering, leaching and deposition of nickel oxide deposits, containing iron, aluminum, silicon and other aqueous oxides. It is divided into limonite layer, transition layer and humus layer according to the distribution of different layers. The smelting process of laterite nickel in different layers is also different.
Nowadays, easy-to-separation gold ore resources are decreasing. The hard-to-separation gold ores become the object of development and research. The below takes a kind of hard-to-separation gold ore as an example to introduce the gold beneficiation process and equipment which are needed in ore beneficiation plant.
In the ore grinding process, it is often necessary to achieve the separation of different minerals through selective grinding, prevent the overgrinding of valuable minerals to be received, and reduce the over crushing of gangue minerals. In the ore milling process, there are many factors affecting the selective grinding effect, such as ore properties, mill machine type, operating conditions, etc. In this paper, we will explore the factors affecting selective grinding from these three aspects.
In the flotation process, the flotation separation effect of the target mineral is affected by many factors. This paper mainly introduces the influence of pulp concentration, flotation particle size and flotation machine speed on the flotation efficiency of chalcopyrite copper ore and pyrite.
In this paper, fine scale graphite and cryptocrystalline graphite are selected as representatives to discuss the difference in graphite ore beneficiation process from four aspects of grinding method, grinding concentration, medium ore return mode and pharmaceutical dosage.
This article will introduce you to a purification process of high-purity quartz sand, that is, the magnetic-flotation-acid leaching separation process of quartz sand.
The main methods used in lithium ore separation include flotation, magnetic separation, heavy medium, combined dressing, among which flotation is one of the widely used beneficiation methods.
With the increasing popularization of the concept of carbon neutrality and new energy technologies, more and more attention has been paid to the development and utilization of cobalt mineral resources. In nature, most cobalt minerals are symbiotic with iron, copper, nickel and other metal minerals, and a single cobalt mineral is relatively rare.
In the beneficiation of quartz mineral, the separation of different mineral components and quartz is an important issue, which has a great influence on the purity of quartz concentrate. Mineral components commonly found in quartz mineral include mica, feldspar, iron-bearing minerals, and apatite. In this article we describe how the common mineral components in quartz mineral are separated.
Because of the different types of lithium-rich ore, the mineral processing process used is also different. The following will introduce three lithium-rich mineral lithium extraction processes, spodumene, lithium micite and lithium phosphate ite.
At present, there are more than 50 kinds of nickel ore resources, but the nickel resources that can be developed are mainly nickel sulfide and nickel oxide. The following editor will sort out the characteristics of these two nickel minerals and the suitable beneficiation process for you.
Graphite ore is often associated with quartz, illite, kaolinite, sericite and a small amount of hemite, limonite, calcium carbide, calcite, etc., which need to be purified and applied. There are six common graphite extraction processes: selective flocculation, flotation, basic acid, acid leaching, chlorination and high temperature roasting.
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