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Rare earth metal re-election process example

The plant processed ore sand beach deposit exogenous metal containing xenotime and monazite. Metallic minerals monazite, xenotime, zircon, rutile, titanium white ore, iron ore and a small amount of titanium cassiterite. The gangue minerals are tourmaline , quartz , feldspar , biotite , muscovite, fluorite , cross stone, garnet and diopside . The ore in the ore mine is larger than 0.15mm, and the rare earth mineral is mainly distributed in the fraction of less than 0.15mm. Most of the rare ore is slightly thicker than 0.125~0.074mm. Zircon and ilmenite are mainly between 0.074 and 0.261 mm. The useful elements in minerals are dispersed. REO accounts for only 74.04% of monazite and xenotime, ZrO 2 only accounts for 57.69% of zircon, and TiO 2 accounts for only 50.13% of ilmenite and rutile. The other parts are mainly in the form of fine inclusions or isomorphisms, and the ion adsorption state is distributed in gangue minerals such as quartz, feldspar and mica.

The ore is open-pit hydraulic mining, and most of the useful minerals have been dissociated from the monomer, without the need for crushing and grinding. The beneficiation process consists of roughing operations and selected operations. The roughing operation uses a re-election process based on spiral chutes. The selected operations are first selected by shaker, and then divided into six sorting systems, including monazite, ilmenite, zircon, xenotime, rutile and Fuzhong, according to the requirements of recycling. The flotation, electrification, magnetic separation and other mineral processing methods are repeatedly selected until the final qualified concentrate is selected, and the process is complicated.

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