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Cheap Brown Fused Alumina Suppliers Spain

According to the brown fused alumina suppliers resource characteristics of China's high-silicon bauxite, Zhengzhou Aluminum Plant first adopted Bayer sintering hybrid method to produce alumina in the world. The white aluminum oxide blast media raw materials used in the concrete industry are alumina extracted from ores containing Al2O3 minerals, such as bauxite, nepheline, alum stone, etc., and then made from alumina. 

Cheap Brown Fused Alumina Suppliers Spain MOQ: 1 Ton! 19 Years Experience Brown Fused Alumina Supplier, 35,000m² Workshop Area, Free Samples, Fast Delivery!

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China's brown fused alumina 60 grit production was established and developed after liberation. After more than 30 years of continuous development, this method has become increasingly perfect, production is stable, the total recovery of Al2O3 has reached 92.2%, buy brown fused alumina and the alkali consumption (calculated as Na2CO) is 69kg / t. Compared with the sintering method of Shandong Aluminum Plant, the production cost is reduced by 15% the above.

(cheap brown fused alumina suppliers spain)In this way, in 1989, the Guizhou aluminium oxide grit suppliers and the Shanxi aluminum plant were successively changed to Bayer sintering and mixing method to produce alumina, while other aluminum plants. Therefore, many alumina plants attach great importance to the production of special alumina, such as activated alumina, low sodium white fused aluminum oxide, -A12O3, ultra-fine a-Al2O3 fine powder and high purity Al (OH) 3.

With the rapid development of China's economy, the expansion and new construction projects of brown fused alumina factory production enterprises have increased. In particular, China's first alumina extraction project using fly ash has started in Inner Mongolia, using high-aluminum fly ash discharged from local power plants as the main raw material. A mixed process produces white aluminum oxide abrasive 220 grit.(cheap brown fused alumina suppliers spain)

About 5% of the brown fused alumina produced in the world is used for refractory materials, 5% is used in abrasives, electronics, petroleum, chemical, ceramics, papermaking and other industries, and more than 90% is used to power aluminum for refining aluminum. Industrial alumina cannot yet directly produce refractory materials, such as Zhongzhou aluminum plant and Shandong aluminum plant may also be changed from white fused alumina oxide mfg sintering method.

(cheap brown fused alumina suppliers spain)As industrial alumina is a loose crystalline powder with a porous structure, it is not conducive to A12O3. It must be calcined or brown aluminum oxide remelted by electrofusion to change -Al2O3 into a-Al2O3 (corundum) to sinter and densify it. Therefore, according to the production method, corundum is divided into light-fired (1350 ~ 1550 ℃) corundum (also known as light-fired a-Al2O3), sintered (1750 ~ 1950 ℃) corundum, and fused alumina.

According to the crystal form, corundum is divided into plate or plate corundum, brown aluminium oxide, granular corundum, single crystal corundum, microcrystalline corundum, β-corundum, a, β corundum (the former is related to the production method, β-corundum and a, β-corundum is related to Na2O content). Currently, there is no alumina plant specifically for the production of corundum white refractory materials. To realize the recycling of waste.

(cheap brown fused alumina suppliers spain)According to the appearance color, it is divided into white corundum, brown corundum, red corundum (ruby), blue corundum (sapphire), green corundum, black corundum, white-blue corundum (white sapphire), purple corundum, transparent corundum, and yellow corundum. Based on the project's annual output of 400,000 tons of alumina, 1.2 million tons of bauxite resources can be saved each year.

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Brown Fused Alumina And White Fused Alumina MOQ: 1 Ton! 19 Years Manufacturing Experience, 35,000m² Workshop Area, Factory Price, Free Samples, Fast Delivery!