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Alcoa capturing carbon from aluminium plants in Austraila

Alcoa, one of the biggest aluminium-producing companies in the world has launched a new carbon capture program at their Kwinana factory, in Australia. Bauxite residue is a mixture of minerals that are left behind when alumina is removed from bauxite. Although it is thoroughly washed, the residue retains some alkaline liquor and requires long-term storage. By mixing CO2 into the bauxite residue, its pH level is reduced to levels found naturally in alkaline soils. A second sustainability benefit is that the improved environmental properties of ... Read more →

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Alcoa capturing carbon from aluminium plants in Austraila 2 years ago on Autoblog Green

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