ARTICLE: Addressing the Challenge of Bauxite Residue
WEBMar 11, 2019 · The carbonation plant found that the neutralization of bauxite residue was dependent on the concentration of CO 2, total flow rate of gas, and agitation speeds. The amount of CO 2 sequestered by red mud liquor was g/kg red mud. Alcoa's process at present requires only 3035 kg CO 2 per tonne of red mud (dry weight). The lack of a ...