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Bayer process

3:31

Bayer Process & Technology Development

2:28

From Bauxite to Alumina to Aluminum

3:12

Bayer process (বিশুদ্ধ বক্সাইট প্রস্তুতি)

3:33

Bayer's Process (Red Bauxite) Step by step

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Bayer's Process

The Bayer process is the principal industrial means of refining bauxite to produce alumina (aluminium oxide). Bauxite, the most important ore of aluminium, contains only 30–60% aluminium oxide (Al2O3), the rest being a mixture of silica, various iron oxides, and titanium dioxide. The aluminium oxide must be purified before it can be refined to aluminium metal.
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