In the first part of the process the bauxite is refined to obtain aluminum oxide and in the next process the aluminum oxide is smelted to get pure aluminum. The first part of the process is called the Bayer’s Process and the second Hall-Heroult.

In the first part of the process first the bauxite is crushed and then processed. It is a seven stage process where the bauxite is converted in to aluminum ore. The entire process involves a lot of heating and cooling and in the entire process all the impurities and contaminants are cleared from the bauxite and we get aluminum oxide at the end. This is essentially an oxidation process after which one gets alumina which is pure.

The other part of the process is called the Hall-Heroult process which is one of the most widely used industrial processes to manufacture aluminum from alumina. In the process the alumina is dissolved in molten cryolite and then electricity is passed through the solution to get pure aluminum metal.   

The process to make aluminum is a little complicated and time consuming. It requires a large amount of energy and also is expensive. In order to meet the large demand of the metal a great way is to recycle the used metal or the scraps so that more and more aluminum is available and there is a lot of saving of time and cost.

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