Praseodymium oxide (Pr6O11) is an inorganic compound, the English name is Praseodymium oxide, can be used in glass, metallurgy, and as a phosphor additive. Praseodymium oxide is one of the important products in light rare earth products. Because of its unique physical and chemical properties, it has been applied in the fields of ceramics, glass, rare earth permanent magnet, rare earth cracking catalyst, rare earth polishing powder, grinding materials and additives, and it is increasingly widely used, and the prospect is still promising. Since the 1990s, China's praseodymium oxide production technology and equipment has been greatly improved and improved, products and output growth is rapid, not only can supply domestic application and market requirements, but also a considerable number of exports. Therefore, China's current production technology, products and output of praseodymium oxide, supply demand for domestic and foreign markets are ranked first in the world. It can be predicted that China's praseodymium oxide industry will develop faster in the future. At present, China's rare earth resources still rank first in the world, of which praseodymium industrial reserves of about 2.1 million tons, which provides a substantial material basis for the continued development of praseodymium industry in the future, and is also a unique advantage of our country.
Application
1. Application in glass
After adding rare earth oxides to different components of glass, rare earth glass of different colors can be made, such as green glass, laser glass, magneto-optical and optical fiber, and its application is expanding. After adding praseodymium oxide to the glass, it can be made into a green color glass, which has high quality artistic value and can be imitated gemstones.
2. Application in rare earth ceramics
Rare earth oxides are used as additives in ceramics, and many rare earth ceramics with better properties can be made. Rare earth fine ceramics are representative. It is the use of highly selected raw materials, the use of easy to control the process and processing technology, can precisely control the composition of the ceramic. It can be divided into functional ceramics and high temperature structural ceramics two kinds. When they are added to rare earth oxides, the sintering properties, densification, microstructure and phase composition of ceramics can be improved to meet the requirements of different applications. The ceramic glaze made of the coloring agent made of praseodymium oxide is not affected by the atmosphere in the kiln, the color is stable, the glaze is bright, can improve the physical and chemical properties, improve the thermal stability and quality of the ceramics, increase the variety of colors, and reduce the cost. After adding praseodymium oxide to ceramic pigments and glazes, rare earth praseodymium yellow, praseodymium green, underglaze red pigments and white ghost glaze, ivory yellow glaze, apple green porcelain, etc., this art porcelain has high efficiency, and is well exported, and is welcomed by foreign countries. According to relevant statistics, the amount of praseodymium neodymium used in ceramics in the world is more than 1,000 tons, and it is also a large application of praseodymium oxide. It is expected that there will be greater development in the future.
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Post time: Feb-23-2024