Mineral processing technology of rare earth ore

Rare-earth minerals are mainly rare-earth minerals and earth minerals, which always exist in the form of minerals. Rare-earth minerals always exist in the mineral lattice in the form of ions, which is also a necessary component to form minerals. The existence of both components is called rare-earth minerals. Many people will ask how this rare earth mine was selected. Today, Xiaobian will tell you about the mineral processing technology of rare earth mine.

Mineral processing technology of rare earth ore

Method 1: Radiation mineral processing

Introduction: This method is mainly based on the different contents of rare earth minerals and gangue minerals in the ore. This radiation mineral processing can separate rare earth minerals from gangue minerals, which is relatively simple and convenient. It is the most used method for selecting rare earth minerals at present.

Method 2: Gravity beneficiation

Introduction: Literally, this beneficiation method can be understood as using gravity, mainly using the density of rare earth minerals and gangue minerals for selection. For gravity beneficiation, there are cone concentrator and spiral concentrator, etc., and the density of ordinary ores is relatively low. Compared with rare earth ores, the density is relatively high, so in addition to beneficiation, rare earth concentrates can be selected, which are mostly used in the production of seaside beneficiation.

Method 3: magnetic separation

Introduction: Because rare earths are weakly magnetic, the magnetic coefficient of common ore is completely different from that of rare earth ore, so the rare earth ore is separated from common ore by using different magnetic field intensities. This magnetic separation method can not only distinguish rare earth ore from most ores, but also separate monazite from quartzite and minerals by high-intensity magnetic separation, and ilmenite from monazite by low-intensity magnetic separation. With the development of high-intensity magnetic technology, this magnetic separation will become more and more common in the mineral processing methods of rare earth ores.

Method 4: Electro-mineral processing

Introduction: This is easy to understand, that is, rare earth ore is a poor conductor, so it can be separated by other minerals with good conductivity. This method is also commonly used to choose seashore placer.

method 5: chemical beneficiation

introduction: rare earth minerals grow on clay in the form of an ion for a long time, so it can be beneficiated by using the characteristics that rare earth is easy to honor the ammonium sulfate solution of sodium chloride. First, the rare earth minerals are collected by flotation and then purified by chemical beneficiation. This method is not widely used at present.

That's all about the mineral processing technology of rare earth ores. They are collected by different physical and chemical properties of rare earth ores, among which the first three mineral processing technologies are the most common.