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Bauxite tailings

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Bauxite Tailings

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Sustainable Bauxite Residue Filtration Process at Pinjarra Alumina Refinery, Western Australia

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Red Mud Bauxite Pumping for Cleanup

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Bauxite Residue Deposit DRS 1

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Alunorte bauxite residue deposit DRS2

Bauxite tailings, bauxite residue or alumina refinery residues (ARR) is a by-product in the production of alumina. Alumina is the principal raw material used in the manufacture of aluminium metal and also widely used in the manufacture of ceramics, abrasives and refractories. The scale of production makes the waste product an important one, and issues with its storage are reviewed and every opportunity is explored to find uses for it. Over 95% of the alumina produced globally is through the Bayer process; for every tonne of alumina produced, approximately 1 to 1.5 tonnes of bauxite tailings/residue are also produced. Annual production of alumina in 2015 was approximately 115 million tonnes resulting in the generation of about 150 million tonnes of bauxite tailings/residue.
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    • Production 

    • Composition 

    • Residue storage areas (RSA) 

    • Use