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Aluminum Oxide Blast Media Suppliers Poland

The dissolution of tubular kaolinite is faster than that of flat kaolinite(white aluminum oxide). The X-ray diffraction analysis data of the dissolution residue of pure kaolinite is closer to that of dense kaolinite, which shows this problem. The results show that the influence of particle size on the dissolution rate is not too great(brown fused alumina grit). For pure kaolinite at 95 ℃, the dissolution rate of 170um and 650um is 1.6 times different.


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They should be four times different in terms of their granularity(brown fused alumina for grinding). At 80 ℃, the dissolution rate of Na2O, 106G / L, 18um and 40um in dense kaolinite is very small, but they should be twice different according to the size of particle size. The results show that the particle size has little effect on the dissolution rate(black silicon carbide suppliers). The reason is that because of the porous nature of these minerals, the particle size has little influence on them, and the dissolution rate increased about 5 times.


The activation energy of the two kaolinites is 93 kJ / mol with the same slope(white corundum). The study of the silicon minerals in bauxite shows that the activation energy is 99 kJ / mol. Considering the test error, the two data should be consistent. The high activation energy indicates that the dissolution reaction is controlled by chemical reaction. At 80 ℃, the concentration of SiO2 increased from 0 to 5g / L, and the reaction rate decreased about 0.4%(aluminium oxide grit 24 mesh). At 120 ℃ and 150 ℃, the same effect was observed.


The experiment also shows that the Al2O3 concentration in the solution has an effect on the dissolution rate of kaolinite(brown aluminum oxide blast media). G. 1. The results show that the reaction is not affected by diffusion control at 150 ℃. At 95 ℃, the concentration of free caustic increased from 25g / L to 106G / L(black silicon carbide factory). It can be seen that the concentration of free caustic has a great influence on the dissolution rate, and the concentration of SiO2 in the solution has an effect on the dissolution rate of kaolinite.


The results of droach study show that the dissolution rate of kaolinite is different at higher alumina concentration and lower alumina concentration(white fused alumina). In low alumina caustic solution, the solubility of kaolinite decreases with the increase of Al2O3 concentration, and the dissolution rate of kaolinite decreases significantly with the increase of alumina concentration(aluminium oxide 36 grit). The alumina concentration changes from 0 to 10g / L, and the reaction rate coefficient decreases about 0.5.


However, when the concentration of Al2O3 is above 25g / L, the solubility of silica increases with the increase of alumina concentration(white aluminum oxide 120 grit). The change of Na2CO3 concentration has no significant effect on the dissolution rate of silica. Cao can promote the reaction of illite, and the higher the temperature is, the more obvious the effect is(corundum sand). The dissolution reaction of quartz belongs to the first order, which means that the surface of quartz in bauxite is not flat.


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

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