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Cheap Brown Aluminum Oxide Factory China

In foreign countries, the alumina that can be dissolved in the ore under this condition is called effective alumina, and the relative dissolution rate of Al2O3 is calculated according to this(brown aluminum oxide). The results show that MgO, Ba, BaSO have catalytic effect on diaspore dissolution, and the effect of Bao is better than the other two, but the catalytic effect of MgO, which is not consistent with the research results of paspaliris(alumina grit). 


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Mg, Bao and bas2 as additives were also studied. Under certain conditions(brown aluminium oxide), the synthesis catalyst of calcium aluminum hydrate garnet, which is made from alkali solution, lime, red mud or pulp, has obvious effect on the dissolution of diaspore bauxite(black alumina). Compared with the same conditions, bas or BA on diaspore is not as good as that of lime, the dissolution rate of alumina is increased by 2% ~ 4% and the caustic molecular ratio is reduced by 0.03 ~ 0.11.


The dissolution effect of Pingguo ore with different particle size in sodium aluminate solution(white alumina). The test conditions are na2o-152.0g/1, Al2O3 380.5g/1, Na2O, 21.0g/l, mr3.11. It can be seen from the figure that the dissolution effect of coarse-grained aluminum ore is worse than that of fine-grained aluminum ore(aluminium oxide blasting). The dissolution effect of two kinds of particles is equal to the weighted average value of each single particle.


The author also studied the influence of synthetic catalyst on the dissolution performance of bauxite(black corundum). The change curve of the dissolution rate of Shanxi mine with different particle size in the mother liquor with time. It can be seen from the figure that in a relatively short time, the dissolution rate of each particle class has obvious difference(white alumina powder). When the dissolution time is longer, the dissolution rate of each particle class has little difference. 


In the process of bauxite dissolution, as long as the dissolution rate of Al2O3 does not reach the maximum value, increasing the dissolution time will increase the dissolution rate of Al2O3(pink corundum). It can be seen from the figure that calcined white, Maifanshi, chlorite and calcined Ling have catalytic effect on the dissolution of diaspore, the best effect is calcined white, when the addition amount is 7%, the effect is the best(20 mesh aluminium oxide grit).


It can be seen from the figure that the composition of Weipa bauxite is gibbsite and monohydrate soft bauxite(brown fused alumina). Under the dissolution condition, the maximum dissolution rate can be achieved within 5min, so increasing the dissolution time has no effect on its dissolution rate; However, the composition of Negoro bauxite is diaspore and diaspore(white aluminum oxide 80 grit). Its dissolution rate is slow, so increasing the dissolution time can increase the dissolution rate of Al2O3.


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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