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Best Alumium Oxide For Glass Blasting USA

BCEB zone This zone is a hydrated sodium aluminate supersaturated sodium aluminate solution zone. The brown fused alumina solution in this zone has the property of precipitating sodium hydrated sodium aluminate crystals. During the brown fused alumina suppliers precipitation process, the composition of the solution is along the composition point of the original solution. 


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The point E (the composition point of the sodium hydrated aluminate) is changed until the brown aluminum oxide intersection point with the BC line, and sodium hydrated aluminate is no longer precipitated. The farther the composition point of the original solution is from the BC line, and the more sodium aluminate hydrate can be precipitated. BETB zone This zone is a zone of black alumina simultaneous supersaturated Al (OH) 3 and hydrated sodium aluminate solution.


CDEC zone This zone is a solution zone of supersaturated sodium aluminate and brown aluminium oxide sodium hydroxide monohydrate at the same time. The solution in this zone has the characteristics of crystallization of sodium aluminate hydrate and sodium hydroxide monohydrate simultaneously. The solution in this zone has the characteristic of aluminium oxide blasting precipitating both gibbsite and sodium hydrate aluminate crystals, and then calculated according to the principle of leverage. 


During the precipitation process, the greater the degree of supersaturation, the composition of the white aluminium oxide 180/220 solution changes along the line between the composition point of the original solution and point B (the simultaneous equilibrium point between the solution and gibbsite and sodium hydrated aluminate) until the composition point at point B is no longer precipitated. During the white alumina powder crystallization process, Boehmite and hydrated sodium aluminate.


The composition of the solution changes along the line connecting the composition point of the original brown aluminium oxide grit solution with point C (the point at which the solution and sodium aluminate hydrate and sodium oxychloride monohydrate are in equilibrium at the same time). Until point C, these two solid phases are no longer precipitated. The amount of two solid phases precipitated can also be calculated according to the low density white alumina principle of leverage.


The isothermal sectional view of the white aluminum oxide 80 grit equilibrium state of this system is divided into several regions by the composition points of each phase and the solubility curve of each solid phase in solution. The composition and characteristics of each region are discussed below. The brown aluminum oxide 250 grit characteristics of each region of the Na2O-Al2O3-H2O system at other temperatures are basically the same as those of the Na2O-Al2O3-H2O system at 30 ° C.


It can be seen that the solubility isotherms at different temperatures include two line segments. Many 20 mesh aluminium oxide grit researchers have studied the equilibrium state of the Na2O-Al2O3-H2O system at different temperatures by studying the equilibrium state of the Na2O-Al2O3-H2O system at different temperatures. At the same time, the brown fused alumina oxide maximum point of solubility also moves toward higher Na2O concentration and larger Al2O3 concentration with increasing temperature.


The left branch line increases with the NazO concentration, and the solubility of Al2O3 shows an increasing trend. So studying the stability of sodium aluminate solution is of great significance to the production process. The amount of deuterated gibbsite and sodium hydrate aluminate can be calculated according to the intersection of the above-mentioned connection line and the brown fused aluminum oxide suppliers two-phase composition point E, T connection line ET.


The right branch line decreases with the increase of Na2O concentration and alumina grit temperature, the curvature of the solubility isotherm gradually decreases, and the curve becomes almost straight above 250 ° C, and the intersection angle formed by its two solubility isotherms gradually increases, thus The unsaturated region of the solution is enlarged, wholesale brown fused alumina and the ability of the solution to dissolve the solid phase is increased.


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