1. Describe how bauxite is converted to aluminium oxide (Al2O3) via the Bayer process? 2. Describe the...

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Mechanical Engineering

1. Describe how bauxite is converted to aluminium oxide (Al2O3)via the Bayer process?
2. Describe the Kroll process used to produce metallic titanium.Give the key chemical equation.
3. Give 2 short application examples of the Ellingham diagram inprocess metallurgy.
4. Name 2 important fields of application of Ti alloys and analternative processing route that can provide highest purityTi.
5. What is the main Al ore and where are the worldâ€™s largestreserves? Given the fact that these high alumina containing orebodies might be depleted in 20-30 years, what could be analternative source?
6. Describe the electro-refining process of copper and give themost important chemical equations.

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3.7 Ratings (632 Votes)

1 the bayer process is used to refine bauxite to extract alumina It contains about 2565 of alumina in it In Bayer process bauxite is heated in a pressure vessel about 150230 C in the presence of caustic soda At these temperatures the aluminium is dissolved as sodium aluminate in an extraction process After separating the residues we See Answer

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