In 2021, global alumina production reached over 135 million tons and discharged
approximately 200 million tons of red mud, leading to severe environmental safety hazards …

Solid waste resulting from bauxite ore (red mud) was converted into useful products
consisting in hydrogarnet together with zeolite. Red mud (RM) transformation from disposal …

The removal of inorganic impurities Cl−, CO 3 2–and SO 4 2− from Bayer liquor largely
relies on their incorporation into sodium aluminosilicates (ideal formulae Na 8 (AlSiO 4) 6 X …

Red mud and coal fly ash (CFA) are bulk aluminum-containing solid waste in the industrial
production process, posing a great threat to the environment and ecological security. The …

When low-grade high-silica bauxite undergoes desilication by alkaline leaching, a large
amount of alkali-silicate solution will be produced. To realize its recycling, the alkali-silicate …

The formation and evolution of desilication products (DSPs) in synthetic sodium aluminate
solution with different reaction temperatures, holding time, CaO additions and carbonate …

A sintering–CO 2 decomposition process for preparation of pseudo-boehmite is proposed
for clean valorization of high-alumina fly ash. The effects of different synthesis conditions on …

The solubility of sodium aluminosilicate and the effects of NaCl in the NaOH–NaAl (OH) 4–
NaCl system were studied under equilibrium conditions in synthetic Bayer liquors. Sodium …

Reactive silica is the most detrimental impurity in bauxite. When bauxite is contacted with
Bayer liquor, reactive silica dissolves and then precipitates as a sodium aluminum silicate …

Converting hematite to magnetite in Bayer liquor at elevated temperature plays a key role in
the exploration of a cleaner technology for alumina production with high iron content …