Aluminum is the third most abundant element in the Earth's crust and was probably formed during the birth of our solar system through collisions of hydrogen atoms under intense heat and pressure. Aluminum never occurs as a metal in nature and is only found in the form of its compounds, such as alumina, because of its strong affinity with oxygen. It is this special bond for oxygen that explains why it withstood all attempts to prepare it in its elemental form until well into the nineteenth century.

The aluminum industry was founded in 1854, but it was not until the late 1880's that a method was found to bring down the prices and permit aluminum to be used in a wide variety of ways. Most of the aluminum in the world today is made from Bauxite. It was first discovered in 1821 near Les Baux, France. It was formed by the weathering of aluminous r

Aluminum is increasingly used to conserve energy both in home heating and cooling.

7. Peck, M. J., ed., World Aluminum Industry in a Changing Era, (1988).

Aluminum storm doors, insulation, and aluminum siding are excellent insulators. Also because vehicle weight is a determinant in gas mileage, aluminum is being substituted for heavier materials. The container packaging industry is by far the biggest user of aluminum, using about thirty percent of the United states production of aluminum, and most of this is in the production of aluminum cans.

6. Pampillo, C. And Biloni, H., Aluminum Transformation Technology and Applications, (1980).

1. Altenpohl, D. G., Aluminum Viewed from Within, (1981).

The final step is to drive off the remaining moisture by passing the alumina, which now looks like white mud, through kilns that heat it to more than 1000 deg C (1830 deg F). When it is dry, and about 99 percent pure, it is stored in silos, ready for the next process that turns the alumina into aluminum.

ocks such as feldspar, nepheline, and clays. During the weathering, these rocks are decomposed and leached out, leaving behind a residue of ore rich in alumina, iron oxide, and silica.

Eric

4. Burkin, R. R. Production of Aluminum and Alumina, (1987).

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Approximate Word count = 1716
Approximate Pages = 7 (250 words per page double spaced)