The anion effect on sodium aluminosilicates formed under Bayer process digestion conditions

J Vogrin, T Santini, H Peng, J Vaughan - Hydrometallurgy, 2020 - Elsevier
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 …

Influence of chloride on sodium aluminosilicate solubility in Bayer liquor

J Vogrin, T Santini, H Peng, J Vaughan - Microporous and Mesoporous …, 2020 - Elsevier
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 …

The formation of desilication products in the presence of kaolinite and halloysite–the role of surface area

JF Gomes, M Davies, P Smith, F Jones - Hydrometallurgy, 2021 - Elsevier
A great deal of effort has been dedicated to improve the fundamental understanding of the
mechanism of desilication product crystallization under Bayer process refinery conditions …

Quantitative X-ray diffraction study into bauxite residue mineralogical phases

J Vogrin, H Hodge, T Santini, H Peng, J Vaughan - Light Metals 2019, 2019 - Springer
Over 100 million tonnes of bauxite residue is produced annually as a by-product of the
Bayer process. Bauxite residue utilisation represents both a challenge and an opportunity …

[PDF][PDF] The Influence of Sodium Sulphate on Sodium Aluminosilicate Solubility in Bayer Liquor

J Vogrin, H Peng, T Santini, LJ Lee… - Available at SSRN … - papers.ssrn.com
The influence of Na2SO4 at chemical equilibrium in the NaOH-Al2O3-SiO2-Na2SO4-H2O
system were studied in synthetic Bayer liquors. Sodium aluminosilicate, otherwise referred …