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[Chemical Knowledge]：What are the upstream raw materials for praseodymium oxide? What are the downstream products?

Read： 265 Time：12months ago Source：Transform the World with Simplicity

Praseodymium oxide plays an important role in the field of chemical production raw materials, and its upstream and downstream related products are quite rich. The following are some upstream and downstream related products related to praseodymium oxide:

upstream products:

1. rare earth ores: praseodymium oxide is mainly extracted from rare earth ores. Rare earth ores include light rare earths and heavy rare earths, which contain praseodymium. Through mining, beneficiation and smelting processes, praseodymium-containing mixed rare earth oxides can be obtained, and then further separated and purified to obtain praseodymium oxide.

2. Hydroxide: In the production process of praseodymium oxide, it is necessary to use hydroxide as a precipitant to convert praseodymium ions into praseodymium hydroxide precipitates to further obtain praseodymium oxide. Commonly used hydroxides include sodium hydroxide, ammonium hydroxide, and the like.

downstream products:

1. Magnetic material: Praseodymium oxide can be used to prepare permanent magnet materials, such as neodymium iron boron permanent magnets. Praseodymium has high magnetic moment and magnetic anisotropy, which can improve the magnetic energy product and coercivity of permanent magnets.

2. fluorescent material: praseodymium oxide can be used as an activator added to the fluorescent material for the preparation of red fluorescent powder and green fluorescent powder. Its high luminous efficiency, high color purity, widely used in display, lighting and laser fields.

3. catalyst: praseodymium oxide can be used as a catalyst or catalytic additive for oxidation-reduction reaction, cracking reaction and hydrogenation reaction in the fields of petrochemical industry and environmental protection.

4. Ceramic materials: Praseodymium oxide can be added to ceramic materials as an additive to improve the density, hardness and toughness of ceramics and other properties for the preparation of high-temperature structural ceramics and functional ceramics.

In short, praseodymium oxide is widely used in the field of chemical production raw materials, and its upstream and downstream related products cover many fields such as magnetic materials, fluorescent materials, catalysts and ceramic materials.

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