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Recovery of sodium from bauxite residue by pressure filtration and cake washing
Bauxite residue, the main waste fraction of alumina production, is extremely hazardous to the environment, as well as to human health. After the recovery of the pregnant liquor, the washed and thickened bauxite residue is ...
Challenges related to solute analysis of bauxite residue filter cakes
Solute analysis of bauxite residue filter cakes is an important but not very well understood operation carried out at refineries and in scientific research. As more and more refineries rely currently on dry cake disposal ...
Dissolution kinetics of aluminosilicates from biomass ashes in alkaline solutions
This research explores the influence of fly ash source, alkali concentration and temperature on the dissolution kinetics of Al and Si. The characteristics of the reaction products and the solid residue were evaluated with ...