BAUXITE CAS#: 1318-16-7

BAUXITE

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BAUXITE Basic information

BAUXITE Chemical Properties

Safety Information

BAUXITE Usage And Synthesis

Chemical Propertiessolid
Chemical PropertiesBauxite consists mainly of gibbsite, Al(OH)3, and varying amounts of kaolinite, and iron and titania impurities. Because the loss on ignition is high, bauxite must be calcined to high temperatures before use. During calcination, it is converted to a dense grain consisting mainly of corundum, Al2O3, and mullite.
UsesOre for production of alumina; adsorbent in oil refining
UsesAbsorbent catalysts
DefinitionA natural aggregate of aluminumbearing minerals, more or less impure, in which the aluminum occurs largely as hydrated oxides. It is usually formed by prolonged weathering of aluminous rocks. Contains 30–75% Al2O 3 , 9–31% H2O, 3–25% Fe2O 3 , 2–9%, SiO2, 1–3% Ti O 2 .
DefinitionA mineral hydrated form of aluminum hydroxide; the principal ore of aluminum.
Health HazardBauxite can be considered to be a nuisance particulate; long experience with mining and refining of bauxite has not revealed significant adverse health effects.
Nuisance particulates have little adverse effect on lungs and do not produce significant organic disease or toxic effect when exposures are kept under reasonable control.
Safety ProfileA nuisance dust. Human systemiceffects by inhalation: fibrosis, focal (pneumoconiosis).

BAUXITE Preparation Products And Raw materials

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